Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 2598 insertions, 0 deletions

diff --git a/qa/standalone/osd-backfill/osd-backfill-prio.sh b/qa/standalone/osd-backfill/osd-backfill-prio.sh
new file mode 100755
index 000000000..9749ca34c
--- /dev/null
+++ b/qa/standalone/osd-backfill/osd-backfill-prio.sh
@@ -0,0 +1,522 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2019 Red Hat <contact@redhat.com>
+#
+# Author: David Zafman <dzafman@redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Library Public License for more details.
+#
+
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+function run() {
+    local dir=$1
+    shift
+
+    # Fix port????
+    export CEPH_MON="127.0.0.1:7114" # git grep '\<7114\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON --osd_max_backfills=1 --debug_reserver=20 "
+    CEPH_ARGS+="--osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10 "
+    # Set osd op queue = wpq for the tests. Backfill priority is not
+    # considered by mclock_scheduler leading to unexpected results.
+    CEPH_ARGS+="--osd-op-queue=wpq "
+    export objects=50
+    export poolprefix=test
+    export FORCE_PRIO="254"     # See OSD_BACKFILL_PRIORITY_FORCED
+    export DEGRADED_PRIO="150"  # See OSD_BACKFILL_DEGRADED_PRIORITY_BASE + 10
+    export NORMAL_PRIO="110"    # See OSD_BACKFILL_PRIORITY_BASE + 10
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+
+function TEST_backfill_priority() {
+    local dir=$1
+    local pools=10
+    local OSDS=5
+    # size 2 -> 1 means degraded by 1, so add 1 to base prio
+    local degraded_prio=$(expr $DEGRADED_PRIO + 1)
+    local max_tries=10
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    for p in $(seq 1 $pools)
+    do
+      create_pool "${poolprefix}$p" 1 1
+      ceph osd pool set "${poolprefix}$p" size 2
+    done
+    sleep 5
+
+    wait_for_clean || return 1
+
+    ceph pg dump pgs
+
+    # Find 3 pools with a pg with the same primaries but second
+    # replica on another osd.
+    local PG1
+    local POOLNUM1
+    local pool1
+    local chk_osd1_1
+    local chk_osd1_2
+
+    local PG2
+    local POOLNUM2
+    local pool2
+    local chk_osd2
+
+    local PG3
+    local POOLNUM3
+    local pool3
+
+    for p in $(seq 1 $pools)
+    do
+      ceph pg map ${p}.0 --format=json | jq '.acting[]' > $dir/acting
+      local test_osd1=$(head -1 $dir/acting)
+      local test_osd2=$(tail -1 $dir/acting)
+      if [ -z "$PG1" ];
+      then
+        PG1="${p}.0"
+        POOLNUM1=$p
+        pool1="${poolprefix}$p"
+        chk_osd1_1=$test_osd1
+        chk_osd1_2=$test_osd2
+      elif [ -z "$PG2" -a $chk_osd1_1 = $test_osd1 -a $chk_osd1_2 != $test_osd2 ];
+      then
+        PG2="${p}.0"
+        POOLNUM2=$p
+        pool2="${poolprefix}$p"
+        chk_osd2=$test_osd2
+      elif [ -n "$PG2" -a $chk_osd1_1 = $test_osd1 -a $chk_osd1_2 != $test_osd2 -a "$chk_osd2" != $test_osd2 ];
+      then
+        PG3="${p}.0"
+        POOLNUM3=$p
+        pool3="${poolprefix}$p"
+        break
+      fi
+    done
+    rm -f $dir/acting
+
+    if [ "$pool2" = "" -o "pool3" = "" ];
+    then
+      echo "Failure to find appropirate PGs"
+      return 1
+    fi
+
+    for p in $(seq 1 $pools)
+    do
+      if [ $p != $POOLNUM1 -a $p != $POOLNUM2 -a $p != $POOLNUM3 ];
+      then
+        delete_pool ${poolprefix}$p
+      fi
+    done
+
+    ceph osd pool set $pool2 size 1 --yes-i-really-mean-it
+    ceph osd pool set $pool3 size 1 --yes-i-really-mean-it
+    wait_for_clean || return 1
+
+    dd if=/dev/urandom of=$dir/data bs=1M count=10
+    p=1
+    for pname in $pool1 $pool2 $pool3
+    do
+      for i in $(seq 1 $objects)
+      do
+	rados -p ${pname} put obj${i}-p${p} $dir/data
+      done
+      p=$(expr $p + 1)
+    done
+
+    local otherosd=$(get_not_primary $pool1 obj1-p1)
+
+    ceph pg dump pgs
+    ERRORS=0
+
+    ceph osd set nobackfill
+    ceph osd set noout
+
+    # Get a pg to want to backfill and quickly force it
+    # to be preempted.
+    ceph osd pool set $pool3 size 2
+    sleep 2
+
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations || return 1
+
+    # 3. Item is in progress, adjust priority with no higher priority waiting
+    for i in $(seq 1 $max_tries)
+    do
+      if ! ceph pg force-backfill $PG3 2>&1 | grep -q "doesn't require backfilling"; then
+        break
+      fi
+      if [ "$i" = "$max_tries" ]; then
+        echo "ERROR: Didn't appear to be able to force-backfill"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+      sleep 2
+    done
+    flush_pg_stats || return 1
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations || return 1
+
+    ceph osd out osd.$chk_osd1_2
+    sleep 2
+    flush_pg_stats || return 1
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations || return 1
+    ceph pg dump pgs
+
+    ceph osd pool set $pool2 size 2
+    sleep 2
+    flush_pg_stats || return 1
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations > $dir/out || return 1
+    cat $dir/out
+    ceph pg dump pgs
+
+    PRIO=$(cat $dir/out | jq "(.local_reservations.queues[].items[] | select(.item == \"${PG1}\")).prio")
+    if [ "$PRIO" != "$NORMAL_PRIO" ];
+    then
+      echo "The normal PG ${PG1} doesn't have prio $NORMAL_PRIO queued waiting"
+      ERRORS=$(expr $ERRORS + 1)
+    fi
+
+    # Using eval will strip double-quotes from item
+    eval ITEM=$(cat $dir/out | jq '.local_reservations.in_progress[0].item')
+    if [ "$ITEM" != ${PG3} ];
+    then
+      echo "The force-backfill PG $PG3 didn't become the in progress item"
+      ERRORS=$(expr $ERRORS + 1)
+    else
+      PRIO=$(cat $dir/out | jq '.local_reservations.in_progress[0].prio')
+      if [ "$PRIO" != $FORCE_PRIO ];
+      then
+        echo "The force-backfill PG ${PG3} doesn't have prio $FORCE_PRIO"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+    fi
+
+    # 1. Item is queued, re-queue with new priority
+    for i in $(seq 1 $max_tries)
+    do
+      if ! ceph pg force-backfill $PG2 2>&1 | grep -q "doesn't require backfilling"; then
+        break
+      fi
+      if [ "$i" = "$max_tries" ]; then
+        echo "ERROR: Didn't appear to be able to force-backfill"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+      sleep 2
+    done
+    sleep 2
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations > $dir/out || return 1
+    cat $dir/out
+    PRIO=$(cat $dir/out | jq "(.local_reservations.queues[].items[] | select(.item == \"${PG2}\")).prio")
+    if [ "$PRIO" != "$FORCE_PRIO" ];
+    then
+      echo "The second force-backfill PG ${PG2} doesn't have prio $FORCE_PRIO"
+      ERRORS=$(expr $ERRORS + 1)
+    fi
+    flush_pg_stats || return 1
+
+    # 4. Item is in progress, if higher priority items waiting prempt item
+    ceph pg cancel-force-backfill $PG3 || return 1
+    sleep 2
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations > $dir/out || return 1
+    cat $dir/out
+    PRIO=$(cat $dir/out | jq "(.local_reservations.queues[].items[] | select(.item == \"${PG3}\")).prio")
+    if [ "$PRIO" != "$degraded_prio" ];
+    then
+      echo "After cancel-force-backfill PG ${PG3} doesn't have prio $degraded_prio"
+      ERRORS=$(expr $ERRORS + 1)
+    fi
+
+    eval ITEM=$(cat $dir/out | jq '.local_reservations.in_progress[0].item')
+    if [ "$ITEM" != ${PG2} ];
+    then
+      echo "The force-recovery PG $PG2 didn't become the in progress item"
+      ERRORS=$(expr $ERRORS + 1)
+    else
+      PRIO=$(cat $dir/out | jq '.local_reservations.in_progress[0].prio')
+      if [ "$PRIO" != $FORCE_PRIO ];
+      then
+        echo "The first force-recovery PG ${PG2} doesn't have prio $FORCE_PRIO"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+    fi
+
+    ceph pg cancel-force-backfill $PG2 || return 1
+    sleep 5
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations || return 1
+
+    # 2. Item is queued, re-queue and preempt because new priority higher than an in progress item
+    flush_pg_stats || return 1
+    ceph pg force-backfill $PG3 || return 1
+    sleep 2
+
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations > $dir/out || return 1
+    cat $dir/out
+    PRIO=$(cat $dir/out | jq "(.local_reservations.queues[].items[] | select(.item == \"${PG2}\")).prio")
+    if [ "$PRIO" != "$degraded_prio" ];
+    then
+      echo "After cancel-force-backfill PG ${PG2} doesn't have prio $degraded_prio"
+      ERRORS=$(expr $ERRORS + 1)
+    fi
+
+    eval ITEM=$(cat $dir/out | jq '.local_reservations.in_progress[0].item')
+    if [ "$ITEM" != ${PG3} ];
+    then
+      echo "The force-backfill PG $PG3 didn't get promoted to an in progress item"
+      ERRORS=$(expr $ERRORS + 1)
+    else
+      PRIO=$(cat $dir/out | jq '.local_reservations.in_progress[0].prio')
+      if [ "$PRIO" != $FORCE_PRIO ];
+      then
+        echo "The force-backfill PG ${PG2} doesn't have prio $FORCE_PRIO"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+    fi
+
+    ceph osd unset noout
+    ceph osd unset nobackfill
+
+    wait_for_clean "CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations" || return 1
+
+    ceph pg dump pgs
+
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_pgstate_history
+
+    if [ $ERRORS != "0" ];
+    then
+      echo "$ERRORS error(s) found"
+    else
+      echo TEST PASSED
+    fi
+
+    delete_pool $pool1
+    delete_pool $pool2
+    delete_pool $pool3
+    kill_daemons $dir || return 1
+    return $ERRORS
+}
+
+#
+# Show that pool recovery_priority is added to the backfill priority
+#
+# Create 2 pools with 2 OSDs with different primarys
+# pool 1 with recovery_priority 1
+# pool 2 with recovery_priority 2
+#
+# Start backfill by changing the pool sizes from 1 to 2
+# Use dump_recovery_reservations to verify priorities
+function TEST_backfill_pool_priority() {
+    local dir=$1
+    local pools=3 # Don't assume the first 2 pools are exact what we want
+    local OSDS=2
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    for p in $(seq 1 $pools)
+    do
+      create_pool "${poolprefix}$p" 1 1
+      ceph osd pool set "${poolprefix}$p" size 2
+    done
+    sleep 5
+
+    wait_for_clean || return 1
+
+    ceph pg dump pgs
+
+    # Find 2 pools with different primaries which
+    # means the replica must be on another osd.
+    local PG1
+    local POOLNUM1
+    local pool1
+    local chk_osd1_1
+    local chk_osd1_2
+
+    local PG2
+    local POOLNUM2
+    local pool2
+    local chk_osd2_1
+    local chk_osd2_2
+
+    for p in $(seq 1 $pools)
+    do
+      ceph pg map ${p}.0 --format=json | jq '.acting[]' > $dir/acting
+      local test_osd1=$(head -1 $dir/acting)
+      local test_osd2=$(tail -1 $dir/acting)
+      if [ -z "$PG1" ];
+      then
+        PG1="${p}.0"
+        POOLNUM1=$p
+        pool1="${poolprefix}$p"
+        chk_osd1_1=$test_osd1
+        chk_osd1_2=$test_osd2
+      elif [ $chk_osd1_1 != $test_osd1 ];
+      then
+        PG2="${p}.0"
+        POOLNUM2=$p
+        pool2="${poolprefix}$p"
+        chk_osd2_1=$test_osd1
+        chk_osd2_2=$test_osd2
+        break
+      fi
+    done
+    rm -f $dir/acting
+
+    if [ "$pool2" = "" ];
+    then
+      echo "Failure to find appropirate PGs"
+      return 1
+    fi
+
+    for p in $(seq 1 $pools)
+    do
+      if [ $p != $POOLNUM1 -a $p != $POOLNUM2 ];
+      then
+        delete_pool ${poolprefix}$p
+      fi
+    done
+
+    pool1_extra_prio=1
+    pool2_extra_prio=2
+    # size 2 -> 1 means degraded by 1, so add 1 to base prio
+    pool1_prio=$(expr $DEGRADED_PRIO + 1 + $pool1_extra_prio)
+    pool2_prio=$(expr $DEGRADED_PRIO + 1 + $pool2_extra_prio)
+
+    ceph osd pool set $pool1 size 1 --yes-i-really-mean-it
+    ceph osd pool set $pool1 recovery_priority $pool1_extra_prio
+    ceph osd pool set $pool2 size 1 --yes-i-really-mean-it
+    ceph osd pool set $pool2 recovery_priority $pool2_extra_prio
+    wait_for_clean || return 1
+
+    dd if=/dev/urandom of=$dir/data bs=1M count=10
+    p=1
+    for pname in $pool1 $pool2
+    do
+      for i in $(seq 1 $objects)
+      do
+	rados -p ${pname} put obj${i}-p${p} $dir/data
+      done
+      p=$(expr $p + 1)
+    done
+
+    local otherosd=$(get_not_primary $pool1 obj1-p1)
+
+    ceph pg dump pgs
+    ERRORS=0
+
+    ceph osd pool set $pool1 size 2
+    ceph osd pool set $pool2 size 2
+    sleep 5
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_1}) dump_recovery_reservations > $dir/dump.${chk_osd1_1}.out
+    echo osd.${chk_osd1_1}
+    cat $dir/dump.${chk_osd1_1}.out
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.${chk_osd1_2}) dump_recovery_reservations > $dir/dump.${chk_osd1_2}.out
+    echo osd.${chk_osd1_2}
+    cat $dir/dump.${chk_osd1_2}.out
+
+    # Using eval will strip double-quotes from item
+    eval ITEM=$(cat $dir/dump.${chk_osd1_1}.out | jq '.local_reservations.in_progress[0].item')
+    if [ "$ITEM" != ${PG1} ];
+    then
+      echo "The primary PG ${PG1} didn't become the in progress item"
+      ERRORS=$(expr $ERRORS + 1)
+    else
+      PRIO=$(cat $dir/dump.${chk_osd1_1}.out | jq '.local_reservations.in_progress[0].prio')
+      if [ "$PRIO" != $pool1_prio ];
+      then
+        echo "The primary PG ${PG1} doesn't have prio $pool1_prio"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+    fi
+
+    # Using eval will strip double-quotes from item
+    eval ITEM=$(cat $dir/dump.${chk_osd1_2}.out | jq '.remote_reservations.in_progress[0].item')
+    if [ "$ITEM" != ${PG1} ];
+    then
+      echo "The primary PG ${PG1} didn't become the in progress item on remote"
+      ERRORS=$(expr $ERRORS + 1)
+    else
+      PRIO=$(cat $dir/dump.${chk_osd1_2}.out | jq '.remote_reservations.in_progress[0].prio')
+      if [ "$PRIO" != $pool1_prio ];
+      then
+        echo "The primary PG ${PG1} doesn't have prio $pool1_prio on remote"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+    fi
+
+    # Using eval will strip double-quotes from item
+    eval ITEM=$(cat $dir/dump.${chk_osd2_1}.out | jq '.local_reservations.in_progress[0].item')
+    if [ "$ITEM" != ${PG2} ];
+    then
+      echo "The primary PG ${PG2} didn't become the in progress item"
+      ERRORS=$(expr $ERRORS + 1)
+    else
+      PRIO=$(cat $dir/dump.${chk_osd2_1}.out | jq '.local_reservations.in_progress[0].prio')
+      if [ "$PRIO" != $pool2_prio ];
+      then
+        echo "The primary PG ${PG2} doesn't have prio $pool2_prio"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+    fi
+
+    # Using eval will strip double-quotes from item
+    eval ITEM=$(cat $dir/dump.${chk_osd2_2}.out | jq '.remote_reservations.in_progress[0].item')
+    if [ "$ITEM" != ${PG2} ];
+    then
+      echo "The primary PG $PG2 didn't become the in progress item on remote"
+      ERRORS=$(expr $ERRORS + 1)
+    else
+      PRIO=$(cat $dir/dump.${chk_osd2_2}.out | jq '.remote_reservations.in_progress[0].prio')
+      if [ "$PRIO" != $pool2_prio ];
+      then
+        echo "The primary PG ${PG2} doesn't have prio $pool2_prio on remote"
+        ERRORS=$(expr $ERRORS + 1)
+      fi
+    fi
+
+    wait_for_clean || return 1
+
+    if [ $ERRORS != "0" ];
+    then
+      echo "$ERRORS error(s) found"
+    else
+      echo TEST PASSED
+    fi
+
+    delete_pool $pool1
+    delete_pool $pool2
+    kill_daemons $dir || return 1
+    return $ERRORS
+}
+
+main osd-backfill-prio "$@"
+
+# Local Variables:
+# compile-command: "make -j4 && ../qa/run-standalone.sh osd-backfill-prio.sh"
+# End:
diff --git a/qa/standalone/osd-backfill/osd-backfill-recovery-log.sh b/qa/standalone/osd-backfill/osd-backfill-recovery-log.sh
new file mode 100755
index 000000000..f9a144932
--- /dev/null
+++ b/qa/standalone/osd-backfill/osd-backfill-recovery-log.sh
@@ -0,0 +1,139 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2019 Red Hat <contact@redhat.com>
+#
+# Author: David Zafman <dzafman@redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Library Public License for more details.
+#
+
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+function run() {
+    local dir=$1
+    shift
+
+    # Fix port????
+    export CEPH_MON="127.0.0.1:7129" # git grep '\<7129\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON --osd_max_backfills=1 --debug_reserver=20 "
+    CEPH_ARGS+="--osd_mclock_override_recovery_settings=true "
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+
+function _common_test() {
+    local dir=$1
+    local extra_opts="$2"
+    local loglen="$3"
+    local dupslen="$4"
+    local objects="$5"
+    local moreobjects=${6:-0}
+
+    local OSDS=6
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+    export EXTRA_OPTS=" $extra_opts"
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    create_pool test 1 1
+
+    for j in $(seq 1 $objects)
+    do
+       rados -p test put obj-${j} /etc/passwd
+    done
+
+    # Mark out all OSDs for this pool
+    ceph osd out $(ceph pg dump pgs --format=json | jq '.pg_stats[0].up[]')
+    if [ "$moreobjects" != "0" ]; then
+      for j in $(seq 1 $moreobjects)
+      do
+        rados -p test put obj-more-${j} /etc/passwd
+      done
+    fi
+    sleep 1
+    wait_for_clean
+
+    flush_pg_stats
+
+    newprimary=$(ceph pg dump pgs --format=json | jq '.pg_stats[0].up_primary')
+    kill_daemons
+
+    ERRORS=0
+    _objectstore_tool_nodown $dir $newprimary --no-mon-config --pgid 1.0 --op log | tee $dir/result.log
+    LOGLEN=$(jq '.pg_log_t.log | length' $dir/result.log)
+    if [ $LOGLEN != "$loglen" ]; then
+	echo "FAILED: Wrong log length got $LOGLEN (expected $loglen)"
+	ERRORS=$(expr $ERRORS + 1)
+    fi
+    DUPSLEN=$(jq '.pg_log_t.dups | length' $dir/result.log)
+    if [ $DUPSLEN != "$dupslen" ]; then
+	echo "FAILED: Wrong dups length got $DUPSLEN (expected $dupslen)"
+	ERRORS=$(expr $ERRORS + 1)
+    fi
+    grep "copy_up_to\|copy_after" $dir/osd.*.log
+    rm -f $dir/result.log
+    if [ $ERRORS != "0" ]; then
+	 echo TEST FAILED
+	 return 1
+    fi
+}
+
+
+# Cause copy_up_to() to only partially copy logs, copy additional dups, and trim dups
+function TEST_backfill_log_1() {
+    local dir=$1
+
+    _common_test $dir "--osd_min_pg_log_entries=1 --osd_max_pg_log_entries=2 --osd_pg_log_dups_tracked=10" 2 8 150
+}
+
+
+# Cause copy_up_to() to only partially copy logs, copy additional dups
+function TEST_backfill_log_2() {
+    local dir=$1
+
+    _common_test $dir "--osd_min_pg_log_entries=1 --osd_max_pg_log_entries=2" 2 148 150
+}
+
+
+# Cause copy_after() to only copy logs, no dups
+function TEST_recovery_1() {
+    local dir=$1
+
+    _common_test $dir "--osd_min_pg_log_entries=50 --osd_max_pg_log_entries=50 --osd_pg_log_dups_tracked=60 --osd_pg_log_trim_min=10" 40 0 40
+}
+
+
+# Cause copy_after() to copy logs with dups
+function TEST_recovery_2() {
+    local dir=$1
+
+    _common_test $dir "--osd_min_pg_log_entries=150 --osd_max_pg_log_entries=150 --osd_pg_log_dups_tracked=3000 --osd_pg_log_trim_min=10" 151 10 141 20
+}
+
+main osd-backfill-recovery-log "$@"
+
+# Local Variables:
+# compile-command: "make -j4 && ../qa/run-standalone.sh osd-backfill-recovery-log.sh"
+# End:
diff --git a/qa/standalone/osd-backfill/osd-backfill-space.sh b/qa/standalone/osd-backfill/osd-backfill-space.sh
new file mode 100755
index 000000000..6a5c69412
--- /dev/null
+++ b/qa/standalone/osd-backfill/osd-backfill-space.sh
@@ -0,0 +1,1176 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2018 Red Hat <contact@redhat.com>
+#
+# Author: David Zafman <dzafman@redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Library Public License for more details.
+#
+
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+function run() {
+    local dir=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:7180" # git grep '\<7180\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON "
+    CEPH_ARGS+="--osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10 "
+    CEPH_ARGS+="--fake_statfs_for_testing=3686400 "
+    CEPH_ARGS+="--osd_max_backfills=10 "
+    CEPH_ARGS+="--osd_mclock_override_recovery_settings=true "
+    export objects=600
+    export poolprefix=test
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+
+function get_num_in_state() {
+    local state=$1
+    local expression
+    expression+="select(contains(\"${state}\"))"
+    ceph --format json pg dump pgs 2>/dev/null | \
+        jq ".pg_stats | [.[] | .state | $expression] | length"
+}
+
+
+function wait_for_not_state() {
+    local state=$1
+    local num_in_state=-1
+    local cur_in_state
+    local -a delays=($(get_timeout_delays $2 5))
+    local -i loop=0
+
+    flush_pg_stats || return 1
+    while test $(get_num_pgs) == 0 ; do
+	sleep 1
+    done
+
+    while true ; do
+        cur_in_state=$(get_num_in_state ${state})
+        test $cur_in_state = "0" && break
+        if test $cur_in_state != $num_in_state ; then
+            loop=0
+            num_in_state=$cur_in_state
+        elif (( $loop >= ${#delays[*]} )) ; then
+            ceph pg dump pgs
+            return 1
+        fi
+        sleep ${delays[$loop]}
+        loop+=1
+    done
+    return 0
+}
+
+
+function wait_for_not_backfilling() {
+    local timeout=$1
+    wait_for_not_state backfilling $timeout
+}
+
+
+function wait_for_not_activating() {
+    local timeout=$1
+    wait_for_not_state activating $timeout
+}
+
+# All tests are created in an environment which has fake total space
+# of 3600K (3686400) which can hold 600 6K replicated objects or
+# 200 18K shards of erasure coded objects.  For a k=3, m=2 EC pool
+# we have a theoretical 54K object but with the chunk size of 4K
+# and a rounding of 4K to account for the chunks is 36K max object
+# which is ((36K / 3) + 4K) * 200  = 3200K which is 88% of
+# 3600K for a shard.
+
+# Create 2 pools with size 1
+# Write enough data that only 1 pool pg can fit per osd
+# Incresase the pool size to 2
+# On 3 OSDs this should result in 1 OSD with overlapping replicas,
+# so both pools can't fit.  We assume pgid 1.0 and 2.0 won't
+# map to the same 2 OSDs.
+# At least 1 pool shouldn't have room to backfill
+# All other pools should go active+clean
+function TEST_backfill_test_simple() {
+    local dir=$1
+    local pools=2
+    local OSDS=3
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    ceph osd set-backfillfull-ratio .85
+
+    for p in $(seq 1 $pools)
+    do
+      create_pool "${poolprefix}$p" 1 1
+      ceph osd pool set "${poolprefix}$p" size 1 --yes-i-really-mean-it
+    done
+
+    wait_for_clean || return 1
+
+    # This won't work is if the 2 pools primary and only osds
+    # are the same.
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=4
+    for o in $(seq 1 $objects)
+    do
+      for p in $(seq 1 $pools)
+      do
+	rados -p "${poolprefix}$p" put obj$o $dir/datafile
+      done
+    done
+
+    ceph pg dump pgs
+
+    for p in $(seq 1 $pools)
+    do
+      ceph osd pool set "${poolprefix}$p" size 2
+    done
+    sleep 30
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    ERRORS=0
+    if [ "$(ceph pg dump pgs | grep +backfill_toofull | wc -l)" != "1" ];
+    then
+      echo "One pool should have been in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    expected="$(expr $pools - 1)"
+    if [ "$(ceph pg dump pgs | grep active+clean | wc -l)" != "$expected" ];
+    then
+      echo "$expected didn't finish backfill"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    ceph pg dump pgs
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    for i in $(seq 1 $pools)
+    do
+      delete_pool "${poolprefix}$i"
+    done
+    kill_daemons $dir || return 1
+    ! grep -q "num_bytes mismatch" $dir/osd.*.log || return 1
+}
+
+
+# Create 8 pools of size 1 on 20 OSDs
+# Write 4K * 600 objects (only 1 pool pg can fit on any given osd)
+# Increase pool size to 2
+# At least 1 pool shouldn't have room to backfill
+# All other pools should go active+clean
+function TEST_backfill_test_multi() {
+    local dir=$1
+    local pools=8
+    local OSDS=20
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    ceph osd set-backfillfull-ratio .85
+
+    for p in $(seq 1 $pools)
+    do
+      create_pool "${poolprefix}$p" 1 1
+      ceph osd pool set "${poolprefix}$p" size 1 --yes-i-really-mean-it
+    done
+
+    wait_for_clean || return 1
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=4
+    for o in $(seq 1 $objects)
+    do
+      for p in $(seq 1 $pools)
+      do
+	rados -p "${poolprefix}$p" put obj$o $dir/datafile
+      done
+    done
+
+    ceph pg dump pgs
+
+    for p in $(seq 1 $pools)
+    do
+      ceph osd pool set "${poolprefix}$p" size 2
+    done
+    sleep 30
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    ERRORS=0
+    full="$(ceph pg dump pgs | grep +backfill_toofull | wc -l)"
+    if [ "$full" -lt "1" ];
+    then
+      echo "At least one pool should have been in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    expected="$(expr $pools - $full)"
+    if [ "$(ceph pg dump pgs | grep active+clean | wc -l)" != "$expected" ];
+    then
+      echo "$expected didn't finish backfill"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    ceph pg dump pgs
+    ceph status
+
+    ceph status --format=json-pretty > $dir/stat.json
+
+    eval SEV=$(jq '.health.checks.PG_BACKFILL_FULL.severity' $dir/stat.json)
+    if [ "$SEV" != "HEALTH_WARN" ]; then
+      echo "PG_BACKFILL_FULL severity $SEV not HEALTH_WARN"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+    eval MSG=$(jq '.health.checks.PG_BACKFILL_FULL.summary.message' $dir/stat.json)
+    if [ "$MSG" != "Low space hindering backfill (add storage if this doesn't resolve itself): 4 pgs backfill_toofull" ]; then
+      echo "PG_BACKFILL_FULL message '$MSG' mismatched"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+    rm -f $dir/stat.json
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    for i in $(seq 1 $pools)
+    do
+      delete_pool "${poolprefix}$i"
+    done
+    # Work around for http://tracker.ceph.com/issues/38195
+    kill_daemons $dir #|| return 1
+    ! grep -q "num_bytes mismatch" $dir/osd.*.log || return 1
+}
+
+
+# To make sure that when 2 pg try to backfill at the same time to
+# the same target.  This might be covered by the simple test above
+# but this makes sure we get it.
+#
+# Create 10 pools of size 2 and identify 2 that have the same
+# non-primary osd.
+# Delete all other pools
+# Set size to 1 and write 4K * 600 to each pool
+# Set size back to 2
+# The 2 pools should race to backfill.
+# One pool goes active+clean
+# The other goes acitve+...+backfill_toofull
+function TEST_backfill_test_sametarget() {
+    local dir=$1
+    local pools=10
+    local OSDS=5
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    ceph osd set-backfillfull-ratio .85
+
+    for p in $(seq 1 $pools)
+    do
+      create_pool "${poolprefix}$p" 1 1
+      ceph osd pool set "${poolprefix}$p" size 2
+    done
+    sleep 5
+
+    wait_for_clean || return 1
+
+    ceph pg dump pgs
+
+    # Find 2 pools with a pg that distinct primaries but second
+    # replica on the same osd.
+    local PG1
+    local POOLNUM1
+    local pool1
+    local chk_osd1
+    local chk_osd2
+
+    local PG2
+    local POOLNUM2
+    local pool2
+    for p in $(seq 1 $pools)
+    do
+      ceph pg map ${p}.0 --format=json | jq '.acting[]' > $dir/acting
+      local test_osd1=$(head -1 $dir/acting)
+      local test_osd2=$(tail -1 $dir/acting)
+      if [ $p = "1" ];
+      then
+        PG1="${p}.0"
+        POOLNUM1=$p
+        pool1="${poolprefix}$p"
+        chk_osd1=$test_osd1
+        chk_osd2=$test_osd2
+      elif [ $chk_osd1 != $test_osd1 -a $chk_osd2 = $test_osd2 ];
+      then
+        PG2="${p}.0"
+        POOLNUM2=$p
+        pool2="${poolprefix}$p"
+        break
+      fi
+    done
+    rm -f $dir/acting
+
+    if [ "$pool2" = "" ];
+    then
+      echo "Failure to find appropirate PGs"
+      return 1
+    fi
+
+    for p in $(seq 1 $pools)
+    do
+      if [ $p != $POOLNUM1 -a $p != $POOLNUM2 ];
+      then
+        delete_pool ${poolprefix}$p
+      fi
+    done
+
+    ceph osd pool set $pool1 size 1 --yes-i-really-mean-it
+    ceph osd pool set $pool2 size 1 --yes-i-really-mean-it
+
+    wait_for_clean || return 1
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=4
+    for i in $(seq 1 $objects)
+    do
+	rados -p $pool1 put obj$i $dir/datafile
+        rados -p $pool2 put obj$i $dir/datafile
+    done
+
+    ceph osd pool set $pool1 size 2
+    ceph osd pool set $pool2 size 2
+    sleep 30
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    ERRORS=0
+    if [ "$(ceph pg dump pgs | grep +backfill_toofull | wc -l)" != "1" ];
+    then
+      echo "One pool should have been in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ "$(ceph pg dump pgs | grep active+clean | wc -l)" != "1" ];
+    then
+      echo "One didn't finish backfill"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    ceph pg dump pgs
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    delete_pool $pool1
+    delete_pool $pool2
+    kill_daemons $dir || return 1
+    ! grep -q "num_bytes mismatch" $dir/osd.*.log || return 1
+}
+
+# 2 pools can't both backfill to a target which has other data
+# 1 of the pools has objects that increase from 1024 to 2611 bytes
+#
+# Write to fill pool which is size 1
+# Take fill pool osd down (other 2 pools must go to the remaining OSDs
+# Save an export of data on fill OSD and restart it
+# Write an intial 1K to pool1 which has pg 2.0
+# Export 2.0 from non-fillpool OSD don't wait for it to start-up
+# Take down fillpool OSD
+# Put 1K object version of 2.0 on fillpool OSD
+# Put back fillpool data on fillpool OSD
+# With fillpool down write 2611 byte objects 
+# Take down $osd and bring back $fillosd simultaneously
+# Wait for backfilling
+# One PG will be able to backfill its remaining data
+# One PG must get backfill_toofull
+function TEST_backfill_multi_partial() {
+    local dir=$1
+    local EC=$2
+    local pools=2
+    local OSDS=3
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    ceph osd set-backfillfull-ratio .85
+
+    ceph osd set-require-min-compat-client luminous
+    create_pool fillpool 1 1
+    ceph osd pool set fillpool size 1 --yes-i-really-mean-it
+    for p in $(seq 1 $pools)
+    do
+      create_pool "${poolprefix}$p" 1 1
+      ceph osd pool set "${poolprefix}$p" size 2
+    done
+
+    wait_for_clean || return 1
+
+    # Partially fill an osd
+    # We have room for 600 6K replicated objects, if we create 2611 byte objects
+    # there is 3600K - (2611 * 600) = 2070K, so the fill pool and one
+    # replica from the other 2 is 85% of 3600K
+
+    dd if=/dev/urandom of=$dir/datafile bs=2611 count=1
+    for o in $(seq 1 $objects)
+    do
+      rados -p fillpool put obj-fill-${o} $dir/datafile
+    done
+
+    local fillosd=$(get_primary fillpool obj-fill-1)
+    osd=$(expr $fillosd + 1)
+    if [ "$osd" = "$OSDS" ]; then
+      osd="0"
+    fi
+
+    kill_daemon $dir/osd.$fillosd.pid TERM
+    ceph osd out osd.$fillosd
+
+    _objectstore_tool_nodown $dir $fillosd --op export-remove --pgid 1.0 --file $dir/fillexport.out || return 1
+    activate_osd $dir $fillosd || return 1
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=1
+    for o in $(seq 1 $objects)
+    do
+      rados -p "${poolprefix}1" put obj-1-${o} $dir/datafile
+    done
+
+    ceph pg dump pgs
+    # The $osd OSD is started, but we don't wait so we can kill $fillosd at the same time
+    _objectstore_tool_nowait $dir $osd --op export --pgid 2.0 --file $dir/export.out
+    kill_daemon $dir/osd.$fillosd.pid TERM
+    _objectstore_tool_nodown $dir $fillosd --force --op remove --pgid 2.0
+    _objectstore_tool_nodown $dir $fillosd --op import --pgid 2.0 --file $dir/export.out || return 1
+    _objectstore_tool_nodown $dir $fillosd --op import --pgid 1.0 --file $dir/fillexport.out || return 1
+    ceph pg dump pgs
+    sleep 20
+    ceph pg dump pgs
+
+    # re-write everything
+    dd if=/dev/urandom of=$dir/datafile bs=2611 count=1
+    for o in $(seq 1 $objects)
+    do
+      for p in $(seq 1 $pools)
+      do
+	rados -p "${poolprefix}$p" put obj-${p}-${o} $dir/datafile
+      done
+    done
+
+    kill_daemon $dir/osd.$osd.pid TERM
+    ceph osd out osd.$osd
+
+    activate_osd $dir $fillosd || return 1
+    ceph osd in osd.$fillosd
+    sleep 30
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    flush_pg_stats || return 1
+    ceph pg dump pgs
+
+    ERRORS=0
+    if [ "$(get_num_in_state backfill_toofull)" != "1" ];
+    then
+      echo "One PG should be in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ "$(get_num_in_state active+clean)" != "2" ];
+    then
+      echo "Two PGs should be active+clean after one PG completed backfill"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    delete_pool fillpool
+    for i in $(seq 1 $pools)
+    do
+      delete_pool "${poolprefix}$i"
+    done
+    kill_daemons $dir || return 1
+    ! grep -q "num_bytes mismatch" $dir/osd.*.log || return 1
+}
+
+# Make sure that the amount of bytes already on the replica doesn't
+# cause an out of space condition
+#
+# Create 1 pool and write 4K * 600 objects
+# Remove 25% (150) of the objects with one OSD down (noout set)
+# Increase the size of the remaining 75% (450) of the objects to 6K
+# Bring back down OSD
+# The pool should go active+clean
+function TEST_backfill_grow() {
+    local dir=$1
+    local poolname="test"
+    local OSDS=3
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    ceph osd set-backfillfull-ratio .85
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 3
+    sleep 5
+
+    wait_for_clean || return 1
+
+    dd if=/dev/urandom of=${dir}/4kdata bs=1k count=4
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i $dir/4kdata
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+
+    ceph osd set noout
+    kill_daemons $dir TERM $otherosd || return 1
+
+    rmobjects=$(expr $objects / 4)
+    for i in $(seq 1 $rmobjects)
+    do
+        rados -p $poolname rm obj$i
+    done
+
+    dd if=/dev/urandom of=${dir}/6kdata bs=6k count=1
+    for i in $(seq $(expr $rmobjects + 1) $objects)
+    do
+	rados -p $poolname put obj$i $dir/6kdata
+    done
+
+    activate_osd $dir $otherosd || return 1
+
+    ceph tell osd.$primary debug kick_recovery_wq 0
+
+    sleep 2
+
+    wait_for_clean || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+    ! grep -q "num_bytes mismatch" $dir/osd.*.log || return 1
+}
+
+# Create a 5 shard EC pool on 6 OSD cluster
+# Fill 1 OSD with 2600K of data take that osd down.
+# Write the EC pool on 5 OSDs
+# Take down 1 (must contain an EC shard)
+# Bring up OSD with fill data
+# Not enought room to backfill to partially full OSD
+function TEST_ec_backfill_simple() {
+    local dir=$1
+    local EC=$2
+    local pools=1
+    local OSDS=6
+    local k=3
+    local m=2
+    local ecobjects=$(expr $objects / $k)
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    ceph osd set-backfillfull-ratio .85
+    create_pool fillpool 1 1
+    ceph osd pool set fillpool size 1 --yes-i-really-mean-it
+
+    # Partially fill an osd
+    # We have room for 200 18K replicated objects, if we create 13K objects
+    # there is only 3600K - (13K * 200) = 1000K which won't hold
+    # a k=3 shard below ((18K / 3) + 4K) * 200 = 2000K
+    # Actual usage per shard is 8K * 200 = 1600K because 18K/3 is 6K which
+    # rounds to 8K.  The 2000K is the ceiling on the 18K * 200 = 3600K logical
+    # bytes in the pool.
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=13
+    for o in $(seq 1 $ecobjects)
+    do
+      rados -p fillpool put obj$o $dir/datafile
+    done
+
+    local fillosd=$(get_primary fillpool obj1)
+    osd=$(expr $fillosd + 1)
+    if [ "$osd" = "$OSDS" ]; then
+      osd="0"
+    fi
+
+    sleep 5
+    kill_daemon $dir/osd.$fillosd.pid TERM
+    ceph osd out osd.$fillosd
+    sleep 2
+    ceph osd erasure-code-profile set ec-profile k=$k m=$m crush-failure-domain=osd technique=reed_sol_van plugin=jerasure || return 1
+
+    for p in $(seq 1 $pools)
+    do
+        ceph osd pool create "${poolprefix}$p" 1 1 erasure ec-profile
+    done
+
+    # Can't wait for clean here because we created a stale pg
+    #wait_for_clean || return 1
+    sleep 5
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=18
+    for o in $(seq 1 $ecobjects)
+    do
+      for p in $(seq 1 $pools)
+      do
+	rados -p "${poolprefix}$p" put obj$o $dir/datafile
+      done
+    done
+
+    kill_daemon $dir/osd.$osd.pid TERM
+    ceph osd out osd.$osd
+
+    activate_osd $dir $fillosd || return 1
+    ceph osd in osd.$fillosd
+    sleep 30
+
+    ceph pg dump pgs
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    ceph pg dump pgs
+
+    ERRORS=0
+    if [ "$(ceph pg dump pgs | grep -v "^1.0" | grep +backfill_toofull | wc -l)" != "1" ]; then
+      echo "One pool should have been in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    delete_pool fillpool
+    for i in $(seq 1 $pools)
+    do
+      delete_pool "${poolprefix}$i"
+    done
+    kill_daemons $dir || return 1
+}
+
+function osdlist() {
+    local OSDS=$1
+    local excludeosd=$2
+
+    osds=""
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      if [ $osd = $excludeosd ];
+      then
+        continue
+      fi
+      if [ -n "$osds" ]; then
+        osds="${osds} "
+      fi
+      osds="${osds}${osd}"
+    done
+    echo $osds
+}
+
+# Create a pool with size 1 and fill with data so that only 1 EC shard can fit.
+# Write data to 2 EC pools mapped to the same OSDs (excluding filled one)
+# Remap the last OSD to partially full OSD on both pools
+# The 2 pools should race to backfill.
+# One pool goes active+clean
+# The other goes acitve+...+backfill_toofull
+function TEST_ec_backfill_multi() {
+    local dir=$1
+    local EC=$2
+    local pools=2
+    local OSDS=6
+    local k=3
+    local m=2
+    local ecobjects=$(expr $objects / $k)
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    # This test requires that shards from 2 different pools
+    # fit on a given OSD, but both will not fix.  I'm using
+    # making the fillosd plus 1 shard use 75% of the space,
+    # leaving not enough to be under the 85% set here.
+    ceph osd set-backfillfull-ratio .85
+
+    ceph osd set-require-min-compat-client luminous
+    create_pool fillpool 1 1
+    ceph osd pool set fillpool size 1 --yes-i-really-mean-it
+
+    # Partially fill an osd
+    # We have room for 200 18K replicated objects, if we create 9K objects
+    # there is only 3600K - (9K * 200) = 1800K which will only hold
+    # one k=3 shard below ((12K / 3) + 4K) * 200 = 1600K
+    # The actual data will be (12K / 3) * 200 = 800K because the extra
+    # is the reservation padding for chunking.
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=9
+    for o in $(seq 1 $ecobjects)
+    do
+      rados -p fillpool put obj$o $dir/datafile
+    done
+
+    local fillosd=$(get_primary fillpool obj1)
+    ceph osd erasure-code-profile set ec-profile k=3 m=2 crush-failure-domain=osd technique=reed_sol_van plugin=jerasure || return 1
+
+    nonfillosds="$(osdlist $OSDS $fillosd)"
+
+    for p in $(seq 1 $pools)
+    do
+        ceph osd pool create "${poolprefix}$p" 1 1 erasure ec-profile
+        ceph osd pg-upmap "$(expr $p + 1).0" $nonfillosds
+    done
+
+    # Can't wait for clean here because we created a stale pg
+    #wait_for_clean || return 1
+    sleep 15
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=12
+    for o in $(seq 1 $ecobjects)
+    do
+      for p in $(seq 1 $pools)
+      do
+	rados -p "${poolprefix}$p" put obj$o-$p $dir/datafile
+      done
+    done
+
+    ceph pg dump pgs
+
+    for p in $(seq 1 $pools)
+    do
+      ceph osd pg-upmap $(expr $p + 1).0 ${nonfillosds% *} $fillosd
+    done
+
+    sleep 30
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    ceph pg dump pgs
+
+    ERRORS=0
+    if [ "$(ceph pg dump pgs | grep -v "^1.0" | grep +backfill_toofull | wc -l)" != "1" ];
+    then
+      echo "One pool should have been in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ "$(ceph pg dump pgs | grep -v "^1.0" | grep active+clean | wc -l)" != "1" ];
+    then
+      echo "One didn't finish backfill"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    delete_pool fillpool
+    for i in $(seq 1 $pools)
+    do
+      delete_pool "${poolprefix}$i"
+    done
+    kill_daemons $dir || return 1
+}
+
+# Similar to TEST_ec_backfill_multi but one of the ec pools
+# already had some data on the target OSD
+
+# Create a pool with size 1 and fill with data so that only 1 EC shard can fit.
+# Write a small amount of data to 1 EC pool that still includes the filled one
+# Take down fillosd with noout set
+# Write data to 2 EC pools mapped to the same OSDs (excluding filled one)
+# Remap the last OSD to partially full OSD on both pools
+# The 2 pools should race to backfill.
+# One pool goes active+clean
+# The other goes acitve+...+backfill_toofull
+function SKIP_TEST_ec_backfill_multi_partial() {
+    local dir=$1
+    local EC=$2
+    local pools=2
+    local OSDS=5
+    local k=3
+    local m=2
+    local ecobjects=$(expr $objects / $k)
+    local lastosd=$(expr $OSDS - 1)
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    # This test requires that shards from 2 different pools
+    # fit on a given OSD, but both will not fix.  I'm using
+    # making the fillosd plus 1 shard use 75% of the space,
+    # leaving not enough to be under the 85% set here.
+    ceph osd set-backfillfull-ratio .85
+
+    ceph osd set-require-min-compat-client luminous
+    create_pool fillpool 1 1
+    ceph osd pool set fillpool size 1 --yes-i-really-mean-it
+    # last osd
+    ceph osd pg-upmap 1.0 $lastosd
+
+    # Partially fill an osd
+    # We have room for 200 18K replicated objects, if we create 9K objects
+    # there is only 3600K - (9K * 200) = 1800K which will only hold
+    # one k=3 shard below ((12K / 3) + 4K) * 200 = 1600K
+    # The actual data will be (12K / 3) * 200 = 800K because the extra
+    # is the reservation padding for chunking.
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=9
+    for o in $(seq 1 $ecobjects)
+    do
+      rados -p fillpool put obj$o $dir/datafile
+    done
+
+    local fillosd=$(get_primary fillpool obj1)
+    ceph osd erasure-code-profile set ec-profile k=3 m=2 crush-failure-domain=osd technique=reed_sol_van plugin=jerasure || return 1
+
+    nonfillosds="$(osdlist $OSDS $fillosd)"
+
+    for p in $(seq 1 $pools)
+    do
+        ceph osd pool create "${poolprefix}$p" 1 1 erasure ec-profile
+        ceph osd pg-upmap "$(expr $p + 1).0" $(seq 0 $lastosd)
+    done
+
+    # Can't wait for clean here because we created a stale pg
+    #wait_for_clean || return 1
+    sleep 15
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=1
+    for o in $(seq 1 $ecobjects)
+    do
+      rados -p "${poolprefix}1" put obj$o-1 $dir/datafile
+    done
+
+    for p in $(seq 1 $pools)
+    do
+        ceph osd pg-upmap "$(expr $p + 1).0" $(seq 0 $(expr $lastosd - 1))
+    done
+    ceph pg dump pgs
+
+    #ceph osd set noout
+    #kill_daemons $dir TERM osd.$lastosd || return 1
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=12
+    for o in $(seq 1 $ecobjects)
+    do
+      for p in $(seq 1 $pools)
+      do
+	rados -p "${poolprefix}$p" put obj$o-$p $dir/datafile
+      done
+    done
+
+    ceph pg dump pgs
+
+    # Now backfill lastosd by adding back into the upmap
+    for p in $(seq 1 $pools)
+    do
+        ceph osd pg-upmap "$(expr $p + 1).0" $(seq 0 $lastosd)
+    done
+    #activate_osd $dir $lastosd || return 1
+    #ceph tell osd.0 debug kick_recovery_wq 0
+
+    sleep 30
+    ceph pg dump pgs
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    ceph pg dump pgs
+
+    ERRORS=0
+    if [ "$(ceph pg dump pgs | grep -v "^1.0" | grep +backfill_toofull | wc -l)" != "1" ];
+    then
+      echo "One pool should have been in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ "$(ceph pg dump pgs | grep -v "^1.0" | grep active+clean | wc -l)" != "1" ];
+    then
+      echo "One didn't finish backfill"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    delete_pool fillpool
+    for i in $(seq 1 $pools)
+    do
+      delete_pool "${poolprefix}$i"
+    done
+    kill_daemons $dir || return 1
+}
+
+function SKIP_TEST_ec_backfill_multi_partial() {
+    local dir=$1
+    local EC=$2
+    local pools=2
+    local OSDS=6
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    # Below we need to fit 3200K in 3600K which is 88%
+    # so set to 90%
+    ceph osd set-backfillfull-ratio .90
+
+    ceph osd set-require-min-compat-client luminous
+    create_pool fillpool 1 1
+    ceph osd pool set fillpool size 1 --yes-i-really-mean-it
+
+    # Partially fill an osd
+    # We have room for 200 48K ec objects, if we create 4k replicated objects
+    # there is 3600K - (4K * 200) = 2800K which won't hold 2 k=3 shard
+    # of 200 12K objects which takes ((12K / 3) + 4K) * 200 = 1600K each.
+    # On the other OSDs 2 * 1600K = 3200K which is 88% of 3600K.
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=4
+    for o in $(seq 1 $objects)
+    do
+      rados -p fillpool put obj$o $dir/datafile
+    done
+
+    local fillosd=$(get_primary fillpool obj1)
+    osd=$(expr $fillosd + 1)
+    if [ "$osd" = "$OSDS" ]; then
+      osd="0"
+    fi
+
+    sleep 5
+    kill_daemon $dir/osd.$fillosd.pid TERM
+    ceph osd out osd.$fillosd
+    sleep 2
+    ceph osd erasure-code-profile set ec-profile k=3 m=2 crush-failure-domain=osd technique=reed_sol_van plugin=jerasure || return 1
+
+    for p in $(seq 1 $pools)
+    do
+        ceph osd pool create "${poolprefix}$p" 1 1 erasure ec-profile
+    done
+
+    # Can't wait for clean here because we created a stale pg
+    #wait_for_clean || return 1
+    sleep 5
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=$dir/datafile bs=1024 count=12
+    for o in $(seq 1 $objects)
+    do
+      for p in $(seq 1 $pools)
+      do
+	rados -p "${poolprefix}$p" put obj$o $dir/datafile
+      done
+    done
+
+    #ceph pg map 2.0 --format=json | jq '.'
+    kill_daemon $dir/osd.$osd.pid TERM
+    ceph osd out osd.$osd
+
+    _objectstore_tool_nodown $dir $osd --op export --pgid 2.0 --file $dir/export.out
+    _objectstore_tool_nodown $dir $fillosd --op import --pgid 2.0 --file $dir/export.out
+
+    activate_osd $dir $fillosd || return 1
+    ceph osd in osd.$fillosd
+    sleep 30
+
+    wait_for_not_backfilling 1200 || return 1
+    wait_for_not_activating 60 || return 1
+
+    ERRORS=0
+    if [ "$(ceph pg dump pgs | grep -v "^1.0" | grep +backfill_toofull | wc -l)" != "1" ];
+    then
+      echo "One pool should have been in backfill_toofull"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    if [ "$(ceph pg dump pgs | grep -v "^1.0" | grep active+clean | wc -l)" != "1" ];
+    then
+      echo "One didn't finish backfill"
+      ERRORS="$(expr $ERRORS + 1)"
+    fi
+
+    ceph pg dump pgs
+
+    if [ $ERRORS != "0" ];
+    then
+      return 1
+    fi
+
+    delete_pool fillpool
+    for i in $(seq 1 $pools)
+    do
+      delete_pool "${poolprefix}$i"
+    done
+    kill_daemons $dir || return 1
+}
+
+# Create 1 EC pool
+# Write 200 12K objects ((12K / 3) + 4K) *200) = 1600K
+# Take 1 shard's OSD down (with noout set)
+# Remove 50 objects ((12K / 3) + 4k) * 50) = 400K
+# Write 150 36K objects (grow 150 objects) 2400K
+# 	But there is already 1600K usage so backfill
+# 	would be too full if it didn't account for existing data
+# Bring back down OSD so it must backfill
+# It should go active+clean taking into account data already there
+function TEST_ec_backfill_grow() {
+    local dir=$1
+    local poolname="test"
+    local OSDS=6
+    local k=3
+    local m=2
+    local ecobjects=$(expr $objects / $k)
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+
+    for osd in $(seq 0 $(expr $OSDS - 1))
+    do
+      run_osd $dir $osd || return 1
+    done
+
+    ceph osd set-backfillfull-ratio .85
+
+    ceph osd set-require-min-compat-client luminous
+    ceph osd erasure-code-profile set ec-profile k=$k m=$m crush-failure-domain=osd technique=reed_sol_van plugin=jerasure || return 1
+    ceph osd pool create $poolname 1 1 erasure ec-profile
+
+    wait_for_clean || return 1
+
+    dd if=/dev/urandom of=${dir}/12kdata bs=1k count=12
+    for i in $(seq 1 $ecobjects)
+    do
+	rados -p $poolname put obj$i $dir/12kdata
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+
+    ceph osd set noout
+    kill_daemons $dir TERM $otherosd || return 1
+
+    rmobjects=$(expr $ecobjects / 4)
+    for i in $(seq 1 $rmobjects)
+    do
+        rados -p $poolname rm obj$i
+    done
+
+    dd if=/dev/urandom of=${dir}/36kdata bs=1k count=36
+    for i in $(seq $(expr $rmobjects + 1) $ecobjects)
+    do
+	rados -p $poolname put obj$i $dir/36kdata
+    done
+
+    activate_osd $dir $otherosd || return 1
+
+    ceph tell osd.$primary debug kick_recovery_wq 0
+
+    sleep 2
+
+    wait_for_clean || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+main osd-backfill-space "$@"
+
+# Local Variables:
+# compile-command: "make -j4 && ../qa/run-standalone.sh osd-backfill-space.sh"
+# End:
diff --git a/qa/standalone/osd-backfill/osd-backfill-stats.sh b/qa/standalone/osd-backfill/osd-backfill-stats.sh
new file mode 100755
index 000000000..21b42a4ce
--- /dev/null
+++ b/qa/standalone/osd-backfill/osd-backfill-stats.sh
@@ -0,0 +1,761 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2017 Red Hat <contact@redhat.com>
+#
+# Author: David Zafman <dzafman@redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Library Public License for more details.
+#
+
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+function run() {
+    local dir=$1
+    shift
+
+    # Fix port????
+    export CEPH_MON="127.0.0.1:7114" # git grep '\<7114\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON "
+    CEPH_ARGS+="--osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10 "
+    export margin=10
+    export objects=200
+    export poolname=test
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+function below_margin() {
+    local -i check=$1
+    shift
+    local -i target=$1
+
+    return $(( $check <= $target && $check >= $target - $margin ? 0 : 1 ))
+}
+
+function above_margin() {
+    local -i check=$1
+    shift
+    local -i target=$1
+
+    return $(( $check >= $target && $check <= $target + $margin ? 0 : 1 ))
+}
+
+FIND_UPACT='grep "pg[[]${PG}.*backfilling.*update_calc_stats " $log | tail -1 | sed "s/.*[)] \([[][^ p]*\).*$/\1/"'
+FIND_FIRST='grep "pg[[]${PG}.*backfilling.*update_calc_stats $which " $log | grep -F " ${UPACT}${addp}" | grep -v est | head -1 | sed "s/.* \([0-9]*\)$/\1/"'
+FIND_LAST='grep "pg[[]${PG}.*backfilling.*update_calc_stats $which " $log | tail -1 | sed "s/.* \([0-9]*\)$/\1/"'
+
+function check() {
+    local dir=$1
+    local PG=$2
+    local primary=$3
+    local type=$4
+    local degraded_start=$5
+    local degraded_end=$6
+    local misplaced_start=$7
+    local misplaced_end=$8
+    local primary_start=${9:-}
+    local primary_end=${10:-}
+    local check_setup=${11:-true}
+
+    local log=$(grep -l +backfilling $dir/osd.$primary.log)
+    if [ $check_setup = "true" ];
+    then
+      local alllogs=$(grep -l +backfilling $dir/osd.*.log)
+      if [ "$(echo "$alllogs" | wc -w)" != "1" ];
+      then
+        echo "Test setup failure, a single OSD should have performed backfill"
+        return 1
+      fi
+    fi
+
+    local addp=" "
+    if [ "$type" = "erasure" ];
+    then
+      addp="p"
+    fi
+
+    UPACT=$(eval $FIND_UPACT)
+    [ -n "$UPACT" ] || return 1
+
+    # Check 3rd line at start because of false recovery starts
+    local which="degraded"
+    FIRST=$(eval $FIND_FIRST)
+    [ -n "$FIRST" ] || return 1
+    below_margin $FIRST $degraded_start || return 1
+    LAST=$(eval $FIND_LAST)
+    [ -n "$LAST" ] || return 1
+    above_margin $LAST $degraded_end || return 1
+
+    # Check 3rd line at start because of false recovery starts
+    which="misplaced"
+    FIRST=$(eval $FIND_FIRST)
+    [ -n "$FIRST" ] || return 1
+    below_margin $FIRST $misplaced_start || return 1
+    LAST=$(eval $FIND_LAST)
+    [ -n "$LAST" ] || return 1
+    above_margin $LAST $misplaced_end || return 1
+
+    # This is the value of set into MISSING_ON_PRIMARY
+    if [ -n "$primary_start" ];
+    then
+      which="shard $primary"
+      FIRST=$(eval $FIND_FIRST)
+      [ -n "$FIRST" ] || return 1
+      below_margin $FIRST $primary_start || return 1
+      LAST=$(eval $FIND_LAST)
+      [ -n "$LAST" ] || return 1
+      above_margin $LAST $primary_end || return 1
+    fi
+}
+
+# [1] -> [1, 0, 2]
+# degraded 1000 -> 0
+# state: active+undersized+degraded+remapped+backfilling
+
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                           STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0      1000         0       0     0 100      100 active+undersized+degraded+remapped+backfilling 2017-10-27 09:44:23.531466  22'500   26:617 [1,0,2]          1    [1]              1        0'0 2017-10-27 09:43:44.654882             0'0 2017-10-27 09:43:44.654882
+function TEST_backfill_sizeup() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    export CEPH_ARGS
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+    run_osd $dir 5 || return 1
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 1 --yes-i-really-mean-it
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    ceph osd set nobackfill
+    ceph osd pool set $poolname size 3
+    sleep 2
+    ceph osd unset nobackfill
+
+    wait_for_clean || return 1
+
+    local primary=$(get_primary $poolname obj1)
+    local PG=$(get_pg $poolname obj1)
+
+    local degraded=$(expr $objects \* 2)
+    check $dir $PG $primary replicated $degraded 0 0 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+
+# [1] -> [0, 2, 4]
+# degraded 1000 -> 0
+# misplaced 500 -> 0
+# state: active+undersized+degraded+remapped+backfilling
+
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                           STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0      1000       500       0     0 100      100 active+undersized+degraded+remapped+backfilling 2017-10-27 09:48:53.326849  22'500   26:603 [0,2,4]          0    [1]              1        0'0 2017-10-27 09:48:13.236253             0'0 2017-10-27 09:48:13.236253
+function TEST_backfill_sizeup_out() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+    run_osd $dir 5 || return 1
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 1 --yes-i-really-mean-it
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    ceph osd out osd.$primary
+    ceph osd pool set $poolname size 3
+    sleep 2
+    ceph osd unset nobackfill
+
+    wait_for_clean || return 1
+
+    local degraded=$(expr $objects \* 2)
+    check $dir $PG $primary replicated $degraded 0 $objects 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+# [1 0] -> [1,2]/[1,0]
+# misplaced 500 -> 0
+# state: active+remapped+backfilling
+
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                       STATE_STAMP                VERSION REPORTED UP    UP_PRIMARY ACTING ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0        0       500       0     0 100      100 active+remapped+backfilling 2017-10-27 09:51:18.800517  22'500   25:570 [1,2]          1  [1,0]              1        0'0 2017-10-27 09:50:40.441274             0'0 2017-10-27 09:50:40.441274
+function TEST_backfill_out() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+    run_osd $dir 5 || return 1
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 2
+    sleep 5
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    ceph osd out osd.$(get_not_primary $poolname obj1)
+    sleep 2
+    ceph osd unset nobackfill
+
+    wait_for_clean || return 1
+
+    check $dir $PG $primary replicated 0 0 $objects 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+# [0, 1] -> [0, 2]/[0]
+# osd 1 down/out
+# degraded 500 -> 0
+# state: active+undersized+degraded+remapped+backfilling
+
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                           STATE_STAMP                VERSION REPORTED UP    UP_PRIMARY ACTING ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0      500         0       0     0 100      100 active+undersized+degraded+remapped+backfilling 2017-10-27 09:53:24.051091  22'500   27:719 [0,2]          0    [0]              0        0'0 2017-10-27 09:52:43.188368             0'0 2017-10-27 09:52:43.188368
+function TEST_backfill_down_out() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+    run_osd $dir 5 || return 1
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 2
+    sleep 5
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    kill $(cat $dir/osd.${otherosd}.pid)
+    ceph osd down osd.${otherosd}
+    ceph osd out osd.${otherosd}
+    sleep 2
+    ceph osd unset nobackfill
+
+    wait_for_clean || return 1
+
+    check $dir $PG $primary replicated $objects 0 0 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+# [1, 0] -> [2, 3, 4]
+# degraded 500 -> 0
+# misplaced 1000 -> 0
+# state: active+undersized+degraded+remapped+backfilling
+
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                           STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0      500       1000       0     0 100      100 active+undersized+degraded+remapped+backfilling 2017-10-27 09:55:50.375722  23'500   27:553 [2,4,3]          2  [1,0]              1        0'0 2017-10-27 09:55:10.230919             0'0 2017-10-27 09:55:10.230919
+function TEST_backfill_out2() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+    run_osd $dir 5 || return 1
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 2
+    sleep 5
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    ceph osd pool set $poolname size 3
+    ceph osd out osd.${otherosd}
+    ceph osd out osd.${primary}
+    # Primary might change before backfill starts
+    sleep 2
+    primary=$(get_primary $poolname obj1)
+    ceph osd unset nobackfill
+    ceph tell osd.$primary get_latest_osdmap
+    ceph tell osd.$primary debug kick_recovery_wq 0
+    sleep 2
+
+    wait_for_clean || return 1
+
+    local misplaced=$(expr $objects \* 2)
+
+    check $dir $PG $primary replicated $objects 0 $misplaced 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+# [0,1] ->  [2,4,3]/[0,1]
+# degraded 1000 -> 0
+# misplaced 1000 -> 500
+# state ends at active+clean+remapped [2,4,3]/[2,4,3,0]
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                           STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0     1000       1000       0     0 100      100 active+undersized+degraded+remapped+backfilling 2017-10-30 18:21:45.995149  19'500  23:1817 [2,4,3]          2  [0,1]              0        0'0 2017-10-30 18:21:05.109904             0'0 2017-10-30 18:21:05.109904
+# ENDS:
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                 STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING    ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0        0       500       0     0   5        5 active+clean+remapped 2017-10-30 18:22:42.293730  19'500  25:2557 [2,4,3]          2 [2,4,3,0]              2        0'0 2017-10-30 18:21:05.109904             0'0 2017-10-30 18:21:05.109904
+function TEST_backfill_sizeup4_allout() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 2
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    ceph osd out osd.$otherosd
+    ceph osd out osd.$primary
+    ceph osd pool set $poolname size 4
+    # Primary might change before backfill starts
+    sleep 2
+    primary=$(get_primary $poolname obj1)
+    ceph osd unset nobackfill
+    ceph tell osd.$primary get_latest_osdmap
+    ceph tell osd.$primary debug kick_recovery_wq 0
+    sleep 2
+
+    wait_for_clean || return 1
+
+    local misdeg=$(expr $objects \* 2)
+    check $dir $PG $primary replicated $misdeg 0 $misdeg $objects || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+# [1,2,0] ->  [3]/[1,2]
+# misplaced 1000 -> 500
+# state ends at active+clean+remapped [3]/[3,1]
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                       STATE_STAMP                VERSION REPORTED UP  UP_PRIMARY ACTING ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0        0       1000       0     0 100      100 active+remapped+backfilling 2017-11-28 19:13:56.092439  21'500   31:790 [3]          3  [1,2]              1        0'0 2017-11-28 19:13:28.698661             0'0 2017-11-28 19:13:28.698661
+function TEST_backfill_remapped() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+
+    create_pool $poolname 1 1
+    ceph osd pool set $poolname size 3
+    sleep 5
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    ceph osd out osd.${otherosd}
+    for i in $(get_osds $poolname obj1)
+    do
+        if [ $i = $primary -o $i = $otherosd ];
+        then
+            continue
+        fi
+        ceph osd out osd.$i
+        break
+    done
+    ceph osd out osd.${primary}
+    ceph osd pool set $poolname size 2
+    sleep 2
+
+    # primary may change due to invalidating the old pg_temp, which was [1,2,0],
+    # but up_primary (3) chooses [0,1] for acting.
+    primary=$(get_primary $poolname obj1)
+
+    ceph osd unset nobackfill
+    ceph tell osd.$primary get_latest_osdmap
+    ceph tell osd.$primary debug kick_recovery_wq 0
+
+    sleep 2
+
+    wait_for_clean || return 1
+
+    local misplaced=$(expr $objects \* 2)
+
+    check $dir $PG $primary replicated 0 0 $misplaced $objects "" "" false || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+# [1,0,2] -> [4,3,NONE]/[1,0,2]
+# misplaced 1500 -> 500
+# state ends at active+clean+remapped [4,3,NONE]/[4,3,2]
+
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                STATE_STAMP                VERSION REPORTED UP         UP_PRIMARY ACTING  ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0      0      1500       0     0 100      100 active+degraded+remapped+backfilling 2017-10-31 16:53:39.467126  19'500   23:615 [4,3,NONE]          4 [1,0,2]              1        0'0 2017-10-31 16:52:59.624429             0'0 2017-10-31 16:52:59.624429
+
+
+# ENDS:
+
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                 STATE_STAMP                VERSION REPORTED UP         UP_PRIMARY ACTING  ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0        0       500       0     0   5        5 active+clean+remapped 2017-10-31 16:48:34.414040  19'500  25:2049 [4,3,NONE]          4 [4,3,2]              4        0'0 2017-10-31 16:46:58.203440             0'0 2017-10-31 16:46:58.203440
+function TEST_backfill_ec_all_out() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+
+    ceph osd erasure-code-profile set myprofile plugin=jerasure technique=reed_sol_van k=2 m=1 crush-failure-domain=osd
+    create_pool $poolname 1 1 erasure myprofile
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    for o in $(get_osds $poolname obj1)
+    do
+        ceph osd out osd.$o
+    done
+    # Primary might change before backfill starts
+    sleep 2
+    primary=$(get_primary $poolname obj1)
+    ceph osd unset nobackfill
+    ceph tell osd.$primary get_latest_osdmap
+    ceph tell osd.$primary debug kick_recovery_wq 0
+    sleep 2
+
+    wait_for_clean || return 1
+
+    local misplaced=$(expr $objects \* 3)
+    check $dir $PG $primary erasure 0 0 $misplaced $objects || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+# [1,0,2] -> [4, 0, 2]
+# misplaced 500 -> 0
+# active+remapped+backfilling
+#
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                       STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING  ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0        0       500       0     0 100      100 active+remapped+backfilling 2017-11-08 18:05:39.036420  24'500   27:742 [4,0,2]          4 [1,0,2]              1        0'0 2017-11-08 18:04:58.697315             0'0 2017-11-08 18:04:58.697315
+function TEST_backfill_ec_prim_out() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+
+    ceph osd erasure-code-profile set myprofile plugin=jerasure technique=reed_sol_van k=2 m=1 crush-failure-domain=osd
+    create_pool $poolname 1 1 erasure myprofile
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    ceph osd out osd.$primary
+    # Primary might change before backfill starts
+    sleep 2
+    primary=$(get_primary $poolname obj1)
+    ceph osd unset nobackfill
+    ceph tell osd.$primary get_latest_osdmap
+    ceph tell osd.$primary debug kick_recovery_wq 0
+    sleep 2
+
+    wait_for_clean || return 1
+
+    local misplaced=$(expr $objects \* 3)
+    check $dir $PG $primary erasure 0 0 $objects 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+# [1,0] -> [1,2]
+# degraded 500 -> 0
+# misplaced 1000 -> 0
+#
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                           STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING     ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0      500      1000       0     0 100      100 active+undersized+degraded+remapped+backfilling 2017-11-06 14:02:29.439105  24'500  29:1020 [4,3,5]          4 [1,NONE,2]              1        0'0 2017-11-06 14:01:46.509963             0'0 2017-11-06 14:01:46.509963
+function TEST_backfill_ec_down_all_out() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+    run_osd $dir 5 || return 1
+
+    ceph osd erasure-code-profile set myprofile plugin=jerasure technique=reed_sol_van k=2 m=1 crush-failure-domain=osd
+    create_pool $poolname 1 1 erasure myprofile
+    ceph osd pool set $poolname min_size 2
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+    local allosds=$(get_osds $poolname obj1)
+
+    ceph osd set nobackfill
+    kill $(cat $dir/osd.${otherosd}.pid)
+    ceph osd down osd.${otherosd}
+    for o in $allosds
+    do
+        ceph osd out osd.$o
+    done
+    # Primary might change before backfill starts
+    sleep 2
+    primary=$(get_primary $poolname obj1)
+    ceph osd unset nobackfill
+    ceph tell osd.$primary get_latest_osdmap
+    ceph tell osd.$primary debug kick_recovery_wq 0
+    sleep 2
+    flush_pg_stats
+
+    # Wait for recovery to finish
+    # Can't use wait_for_clean() because state goes from active+undersized+degraded+remapped+backfilling
+    # to  active+undersized+remapped
+    while(true)
+    do
+      if test "$(ceph --format json pg dump pgs |
+         jq '.pg_stats | [.[] | .state | select(. == "incomplete")] | length')" -ne "0"
+      then
+        sleep 2
+        continue
+      fi
+      break
+    done
+    ceph pg dump pgs
+    for i in $(seq 1 240)
+    do
+      if ceph pg dump pgs | grep ^$PG | grep -qv backfilling
+      then
+          break
+      fi
+      if [ $i = "240" ];
+      then
+          echo "Timeout waiting for recovery to finish"
+          return 1
+      fi
+      sleep 1
+    done
+
+    ceph pg dump pgs
+
+    local misplaced=$(expr $objects \* 2)
+    check $dir $PG $primary erasure $objects 0 $misplaced 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+# [1,0,2] -> [1,3,2]
+# degraded 500 -> 0
+# active+backfilling+degraded
+#
+# PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE                                           STATE_STAMP                VERSION REPORTED UP      UP_PRIMARY ACTING     ACTING_PRIMARY LAST_SCRUB SCRUB_STAMP                LAST_DEEP_SCRUB DEEP_SCRUB_STAMP
+# 1.0         500                  0      500         0       0     0 100      100 active+undersized+degraded+remapped+backfilling 2017-11-06 13:57:25.412322  22'500   28:794 [1,3,2]          1 [1,NONE,2]              1        0'0 2017-11-06 13:54:58.033906             0'0 2017-11-06 13:54:58.033906
+function TEST_backfill_ec_down_out() {
+    local dir=$1
+
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    run_osd $dir 1 || return 1
+    run_osd $dir 2 || return 1
+    run_osd $dir 3 || return 1
+    run_osd $dir 4 || return 1
+    run_osd $dir 5 || return 1
+
+    ceph osd erasure-code-profile set myprofile plugin=jerasure technique=reed_sol_van k=2 m=1 crush-failure-domain=osd
+    create_pool $poolname 1 1 erasure myprofile
+    ceph osd pool set $poolname min_size 2
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $objects)
+    do
+	rados -p $poolname put obj$i /dev/null
+    done
+
+    local PG=$(get_pg $poolname obj1)
+    # Remember primary during the backfill
+    local primary=$(get_primary $poolname obj1)
+    local otherosd=$(get_not_primary $poolname obj1)
+
+    ceph osd set nobackfill
+    kill $(cat $dir/osd.${otherosd}.pid)
+    ceph osd down osd.${otherosd}
+    ceph osd out osd.${otherosd}
+    # Primary might change before backfill starts
+    sleep 2
+    primary=$(get_primary $poolname obj1)
+    ceph osd unset nobackfill
+    ceph tell osd.$primary get_latest_osdmap
+    ceph tell osd.$primary debug kick_recovery_wq 0
+    sleep 2
+
+    wait_for_clean || return 1
+
+    local misplaced=$(expr $objects \* 2)
+    check $dir $PG $primary erasure $objects 0 0 0 || return 1
+
+    delete_pool $poolname
+    kill_daemons $dir || return 1
+}
+
+
+main osd-backfill-stats "$@"
+
+# Local Variables:
+# compile-command: "make -j4 && ../qa/run-standalone.sh osd-backfill-stats.sh"
+# End: