Adding upstream version 14.2.21.upstream/14.2.21upstream

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

3 files changed, 1121 insertions, 0 deletions

diff --git a/qa/standalone/erasure-code/test-erasure-code-plugins.sh b/qa/standalone/erasure-code/test-erasure-code-plugins.sh
new file mode 100755
index 00000000..b5648d47
--- /dev/null
+++ b/qa/standalone/erasure-code/test-erasure-code-plugins.sh
@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -x
+
+source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
+
+arch=$(uname -m)
+
+case $arch in
+    i[[3456]]86*|x86_64*|amd64*)
+        legacy_jerasure_plugins=(jerasure_generic jerasure_sse3 jerasure_sse4)
+        legacy_shec_plugins=(shec_generic shec_sse3 shec_sse4)
+        plugins=(jerasure shec lrc isa)
+        ;;
+    aarch64*|arm*)
+        legacy_jerasure_plugins=(jerasure_generic jerasure_neon)
+        legacy_shec_plugins=(shec_generic shec_neon)
+        plugins=(jerasure shec lrc)
+        ;;
+    *)
+        echo "unsupported platform ${arch}."
+        return 1
+        ;;
+esac
+
+function run() {
+    local dir=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:17110" # git grep '\<17110\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON "
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        $func $dir || return 1
+    done
+}
+
+function TEST_preload_warning() {
+    local dir=$1
+
+    for plugin in ${legacy_jerasure_plugins[*]} ${legacy_shec_plugins[*]}; do
+        setup $dir || return 1
+        run_mon $dir a --osd_erasure_code_plugins="${plugin}" || return 1
+	run_mgr $dir x || return 1
+        CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+        run_osd $dir 0 --osd_erasure_code_plugins="${plugin}" || return 1
+        CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
+        grep "WARNING: osd_erasure_code_plugins contains plugin ${plugin}" $dir/mon.a.log || return 1
+        grep "WARNING: osd_erasure_code_plugins contains plugin ${plugin}" $dir/osd.0.log || return 1
+        teardown $dir || return 1
+    done
+    return 0
+}
+
+function TEST_preload_no_warning() {
+    local dir=$1
+
+    for plugin in ${plugins[*]}; do
+        setup $dir || return 1
+        run_mon $dir a --osd_erasure_code_plugins="${plugin}" || return 1
+	run_mgr $dir x || return 1
+        CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+        run_osd $dir 0 --osd_erasure_code_plugins="${plugin}" || return 1
+        CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
+        ! grep "WARNING: osd_erasure_code_plugins contains plugin" $dir/mon.a.log || return 1
+        ! grep "WARNING: osd_erasure_code_plugins contains plugin" $dir/osd.0.log || return 1
+        teardown $dir || return 1
+    done
+
+    return 0
+}
+
+function TEST_preload_no_warning_default() {
+    local dir=$1
+
+    setup $dir || return 1
+    run_mon $dir a || return 1
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+    run_mgr $dir x || return 1
+    run_osd $dir 0 || return 1
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
+    ! grep "WARNING: osd_erasure_code_plugins" $dir/mon.a.log || return 1
+    ! grep "WARNING: osd_erasure_code_plugins" $dir/osd.0.log || return 1
+    teardown $dir || return 1
+
+    return 0
+}
+
+function TEST_ec_profile_warning() {
+    local dir=$1
+
+    setup $dir || return 1
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    for id in $(seq 0 2) ; do
+        run_osd $dir $id || return 1
+    done
+    create_rbd_pool || return 1
+    wait_for_clean || return 1
+
+    for plugin in ${legacy_jerasure_plugins[*]}; do
+        ceph osd erasure-code-profile set prof-${plugin} crush-failure-domain=osd technique=reed_sol_van plugin=${plugin} || return 1
+        CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+        grep "WARNING: erasure coding profile prof-${plugin} uses plugin ${plugin}" $dir/mon.a.log || return 1
+    done
+
+    for plugin in ${legacy_shec_plugins[*]}; do
+        ceph osd erasure-code-profile set prof-${plugin} crush-failure-domain=osd plugin=${plugin} || return 1
+        CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+        grep "WARNING: erasure coding profile prof-${plugin} uses plugin ${plugin}" $dir/mon.a.log || return 1
+    done
+
+    teardown $dir || return 1
+}
+
+main test-erasure-code-plugins "$@"
diff --git a/qa/standalone/erasure-code/test-erasure-code.sh b/qa/standalone/erasure-code/test-erasure-code.sh
new file mode 100755
index 00000000..e18e673c
--- /dev/null
+++ b/qa/standalone/erasure-code/test-erasure-code.sh
@@ -0,0 +1,333 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com>
+# Copyright (C) 2014, 2015 Red Hat <contact@redhat.com>
+#
+# Author: Loic Dachary <loic@dachary.org>
+#
+# 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=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:7101" # git grep '\<7101\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON --mon-osd-prime-pg-temp=false"
+
+    setup $dir || return 1
+    run_mon $dir a || return 1
+    run_mgr $dir x || return 1
+    # check that erasure code plugins are preloaded
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+    grep 'load: jerasure.*lrc' $dir/mon.a.log || return 1
+    for id in $(seq 0 10) ; do
+        run_osd $dir $id || return 1
+    done
+    create_rbd_pool || return 1
+    wait_for_clean || return 1
+    # check that erasure code plugins are preloaded
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
+    grep 'load: jerasure.*lrc' $dir/osd.0.log || return 1
+    create_erasure_coded_pool ecpool || return 1
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        $func $dir || return 1
+    done
+
+    delete_pool ecpool || return 1
+    teardown $dir || return 1
+}
+
+function create_erasure_coded_pool() {
+    local poolname=$1
+
+    ceph osd erasure-code-profile set myprofile \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure myprofile \
+        || return 1
+    wait_for_clean || return 1
+}
+
+function rados_put_get() {
+    local dir=$1
+    local poolname=$2
+    local objname=${3:-SOMETHING}
+
+
+    for marker in AAA BBB CCCC DDDD ; do
+        printf "%*s" 1024 $marker
+    done > $dir/ORIGINAL
+
+    #
+    # get and put an object, compare they are equal
+    #
+    rados --pool $poolname put $objname $dir/ORIGINAL || return 1
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+
+    #
+    # take out an OSD used to store the object and
+    # check the object can still be retrieved, which implies
+    # recovery
+    #
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last=$((${#initial_osds[@]} - 1))
+    ceph osd out ${initial_osds[$last]} || return 1
+    ! get_osds $poolname $objname | grep '\<'${initial_osds[$last]}'\>' || return 1
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    ceph osd in ${initial_osds[$last]} || return 1
+
+    rm $dir/ORIGINAL
+}
+
+function rados_osds_out_in() {
+    local dir=$1
+    local poolname=$2
+    local objname=${3:-SOMETHING}
+
+
+    for marker in FFFF GGGG HHHH IIII ; do
+        printf "%*s" 1024 $marker
+    done > $dir/ORIGINAL
+
+    #
+    # get and put an object, compare they are equal
+    #
+    rados --pool $poolname put $objname $dir/ORIGINAL || return 1
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+
+    #
+    # take out two OSDs used to store the object, wait for the cluster
+    # to be clean (i.e. all PG are clean and active) again which
+    # implies the PG have been moved to use the remaining OSDs.  Check
+    # the object can still be retrieved.
+    #
+    wait_for_clean || return 1
+    local osds_list=$(get_osds $poolname $objname)
+    local -a osds=($osds_list)
+    for osd in 0 1 ; do
+      ceph osd out ${osds[$osd]} || return 1
+    done
+    wait_for_clean || return 1
+    #
+    # verify the object is no longer mapped to the osds that are out
+    #
+    for osd in 0 1 ; do
+        ! get_osds $poolname $objname | grep '\<'${osds[$osd]}'\>' || return 1
+    done
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    #
+    # bring the osds back in, , wait for the cluster
+    # to be clean (i.e. all PG are clean and active) again which
+    # implies the PG go back to using the same osds as before
+    #
+    for osd in 0 1 ; do
+      ceph osd in ${osds[$osd]} || return 1
+    done
+    wait_for_clean || return 1
+    test "$osds_list" = "$(get_osds $poolname $objname)" || return 1
+    rm $dir/ORIGINAL
+}
+
+function TEST_rados_put_get_lrc_advanced() {
+    local dir=$1
+    local poolname=pool-lrc-a
+    local profile=profile-lrc-a
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=lrc \
+        mapping=DD_ \
+        crush-steps='[ [ "chooseleaf", "osd", 0 ] ]' \
+        layers='[ [ "DDc", "" ] ]'  || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_rados_put_get_lrc_kml() {
+    local dir=$1
+    local poolname=pool-lrc
+    local profile=profile-lrc
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=lrc \
+        k=4 m=2 l=3 \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_rados_put_get_isa() {
+    if ! erasure_code_plugin_exists isa ; then
+        echo "SKIP because plugin isa has not been built"
+        return 0
+    fi
+    local dir=$1
+    local poolname=pool-isa
+
+    ceph osd erasure-code-profile set profile-isa \
+        plugin=isa \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 1 1 erasure profile-isa \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+}
+
+function TEST_rados_put_get_jerasure() {
+    local dir=$1
+
+    rados_put_get $dir ecpool || return 1
+
+    local poolname=pool-jerasure
+    local profile=profile-jerasure
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=jerasure \
+        k=4 m=2 \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+    rados_osds_out_in $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_rados_put_get_shec() {
+    local dir=$1
+
+    local poolname=pool-shec
+    local profile=profile-shec
+
+    ceph osd erasure-code-profile set $profile \
+        plugin=shec \
+        k=2 m=1 c=1 \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 12 12 erasure $profile \
+        || return 1
+
+    rados_put_get $dir $poolname || return 1
+
+    delete_pool $poolname
+    ceph osd erasure-code-profile rm $profile
+}
+
+function TEST_alignment_constraints() {
+    local payload=ABC
+    echo "$payload" > $dir/ORIGINAL
+    #
+    # Verify that the rados command enforces alignment constraints
+    # imposed by the stripe width
+    # See http://tracker.ceph.com/issues/8622
+    #
+    local stripe_unit=$(ceph-conf --show-config-value osd_pool_erasure_code_stripe_unit)
+    eval local $(ceph osd erasure-code-profile get myprofile | grep k=)
+    local block_size=$((stripe_unit * k - 1))
+    dd if=/dev/zero of=$dir/ORIGINAL bs=$block_size count=2
+    rados --block-size=$block_size \
+        --pool ecpool put UNALIGNED $dir/ORIGINAL || return 1
+    rm $dir/ORIGINAL
+}
+
+function chunk_size() {
+    echo $(ceph-conf --show-config-value osd_pool_erasure_code_stripe_unit)
+}
+
+#
+# By default an object will be split in two (k=2) with the first part
+# of the object in the first OSD of the up set and the second part in
+# the next OSD in the up set. This layout is defined by the mapping
+# parameter and this function helps verify that the first and second
+# part of the object are located in the OSD where they should be.
+#
+function verify_chunk_mapping() {
+    local dir=$1
+    local poolname=$2
+    local first=$3
+    local second=$4
+
+    local payload=$(printf '%*s' $(chunk_size) FIRST$poolname ; printf '%*s' $(chunk_size) SECOND$poolname)
+    echo -n "$payload" > $dir/ORIGINAL
+
+    rados --pool $poolname put SOMETHING$poolname $dir/ORIGINAL || return 1
+    rados --pool $poolname get SOMETHING$poolname $dir/COPY || return 1
+    local -a osds=($(get_osds $poolname SOMETHING$poolname))
+    for (( i = 0; i < ${#osds[@]}; i++ )) ; do
+        ceph daemon osd.${osds[$i]} flush_journal
+    done
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+
+    local -a osds=($(get_osds $poolname SOMETHING$poolname))
+    objectstore_tool $dir ${osds[$first]} SOMETHING$poolname get-bytes | grep --quiet FIRST$poolname || return 1
+    objectstore_tool $dir ${osds[$second]} SOMETHING$poolname get-bytes | grep --quiet SECOND$poolname || return 1
+}
+
+function TEST_chunk_mapping() {
+    local dir=$1
+
+    #
+    # mapping=DD_ is the default:
+    #  first OSD (i.e. 0) in the up set has the first part of the object
+    #  second OSD (i.e. 1) in the up set has the second part of the object
+    #
+    verify_chunk_mapping $dir ecpool 0 1 || return 1
+
+    ceph osd erasure-code-profile set remap-profile \
+        plugin=lrc \
+        layers='[ [ "cDD", "" ] ]' \
+        mapping='_DD' \
+        crush-steps='[ [ "choose", "osd", 0 ] ]' || return 1
+    ceph osd erasure-code-profile get remap-profile
+    create_pool remap-pool 12 12 erasure remap-profile \
+        || return 1
+
+    #
+    # mapping=_DD
+    #  second OSD (i.e. 1) in the up set has the first part of the object
+    #  third OSD (i.e. 2) in the up set has the second part of the object
+    #
+    verify_chunk_mapping $dir remap-pool 1 2 || return 1
+
+    delete_pool remap-pool
+    ceph osd erasure-code-profile rm remap-profile
+}
+
+main test-erasure-code "$@"
+
+# Local Variables:
+# compile-command: "cd ../.. ; make -j4 && test/erasure-code/test-erasure-code.sh"
+# End:
diff --git a/qa/standalone/erasure-code/test-erasure-eio.sh b/qa/standalone/erasure-code/test-erasure-eio.sh
new file mode 100755
index 00000000..fb1a1a2c
--- /dev/null
+++ b/qa/standalone/erasure-code/test-erasure-eio.sh
@@ -0,0 +1,670 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2015 Red Hat <contact@redhat.com>
+#
+#
+# Author: Kefu Chai <kchai@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=$1
+    shift
+
+    export CEPH_MON="127.0.0.1:7112" # git grep '\<7112\>' : there must be only one
+    export CEPH_ARGS
+    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
+    CEPH_ARGS+="--mon-host=$CEPH_MON "
+
+    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
+    for func in $funcs ; do
+        setup $dir || return 1
+        run_mon $dir a || return 1
+	run_mgr $dir x || return 1
+	create_pool rbd 4 || return 1
+
+        # check that erasure code plugins are preloaded
+        CEPH_ARGS='' ceph --admin-daemon $(get_asok_path mon.a) log flush || return 1
+        grep 'load: jerasure.*lrc' $dir/mon.a.log || return 1
+        $func $dir || return 1
+        teardown $dir || return 1
+    done
+}
+
+function setup_osds() {
+    local count=$1
+    shift
+
+    for id in $(seq 0 $(expr $count - 1)) ; do
+        run_osd $dir $id || return 1
+    done
+
+    # check that erasure code plugins are preloaded
+    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
+    grep 'load: jerasure.*lrc' $dir/osd.0.log || return 1
+}
+
+function get_state() {
+    local pgid=$1
+    local sname=state
+    ceph --format json pg dump pgs 2>/dev/null | \
+        jq -r ".pg_stats | .[] | select(.pgid==\"$pgid\") | .$sname"
+}
+
+function create_erasure_coded_pool() {
+    local poolname=$1
+    shift
+    local k=$1
+    shift
+    local m=$1
+    shift
+
+    ceph osd erasure-code-profile set myprofile \
+        plugin=jerasure \
+        k=$k m=$m \
+        crush-failure-domain=osd || return 1
+    create_pool $poolname 1 1 erasure myprofile \
+        || return 1
+    wait_for_clean || return 1
+}
+
+function delete_erasure_coded_pool() {
+    local poolname=$1
+    ceph osd pool delete $poolname $poolname --yes-i-really-really-mean-it
+    ceph osd erasure-code-profile rm myprofile
+}
+
+function rados_put() {
+    local dir=$1
+    local poolname=$2
+    local objname=${3:-SOMETHING}
+
+    for marker in AAA BBB CCCC DDDD ; do
+        printf "%*s" 1024 $marker
+    done > $dir/ORIGINAL
+    #
+    # get and put an object, compare they are equal
+    #
+    rados --pool $poolname put $objname $dir/ORIGINAL || return 1
+}
+
+function rados_get() {
+    local dir=$1
+    local poolname=$2
+    local objname=${3:-SOMETHING}
+    local expect=${4:-ok}
+
+    #
+    # Expect a failure to get object
+    #
+    if [ $expect = "fail" ];
+    then
+        ! rados --pool $poolname get $objname $dir/COPY
+        return
+    fi
+    #
+    # get an object, compare with $dir/ORIGINAL
+    #
+    rados --pool $poolname get $objname $dir/COPY || return 1
+    diff $dir/ORIGINAL $dir/COPY || return 1
+    rm $dir/COPY
+}
+
+
+function inject_remove() {
+    local pooltype=$1
+    shift
+    local which=$1
+    shift
+    local poolname=$1
+    shift
+    local objname=$1
+    shift
+    local dir=$1
+    shift
+    local shard_id=$1
+    shift
+
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local osd_id=${initial_osds[$shard_id]}
+    objectstore_tool $dir $osd_id $objname remove || return 1
+}
+
+# Test with an inject error
+function rados_put_get_data() {
+    local inject=$1
+    shift
+    local dir=$1
+    shift
+    local shard_id=$1
+    shift
+    local arg=$1
+
+    # inject eio to speificied shard
+    #
+    local poolname=pool-jerasure
+    local objname=obj-$inject-$$-$shard_id
+    rados_put $dir $poolname $objname || return 1
+    inject_$inject ec data $poolname $objname $dir $shard_id || return 1
+    rados_get $dir $poolname $objname || return 1
+
+    if [ "$arg" = "recovery" ];
+    then
+        #
+        # take out the last OSD used to store the object,
+        # bring it back, and check for clean PGs which means
+        # recovery didn't crash the primary.
+        #
+        local -a initial_osds=($(get_osds $poolname $objname))
+        local last_osd=${initial_osds[-1]}
+        # Kill OSD
+        kill_daemons $dir TERM osd.${last_osd} >&2 < /dev/null || return 1
+        ceph osd out ${last_osd} || return 1
+        ! get_osds $poolname $objname | grep '\<'${last_osd}'\>' || return 1
+        ceph osd in ${last_osd} || return 1
+        activate_osd $dir ${last_osd} || return 1
+        wait_for_clean || return 1
+    fi
+
+    shard_id=$(expr $shard_id + 1)
+    inject_$inject ec data $poolname $objname $dir $shard_id || return 1
+    # Now 2 out of 3 shards get an error, so should fail
+    rados_get $dir $poolname $objname fail || return 1
+    rm $dir/ORIGINAL
+}
+
+# Change the size of speificied shard
+#
+function set_size() {
+    local objname=$1
+    shift
+    local dir=$1
+    shift
+    local shard_id=$1
+    shift
+    local bytes=$1
+    shift
+    local mode=${1}
+
+    local poolname=pool-jerasure
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local osd_id=${initial_osds[$shard_id]}
+    ceph osd set noout
+    if [ "$mode" = "add" ];
+    then
+      objectstore_tool $dir $osd_id $objname get-bytes $dir/CORRUPT || return 1
+      dd if=/dev/urandom bs=$bytes count=1 >> $dir/CORRUPT
+    elif [ "$bytes" = "0" ];
+    then
+      touch $dir/CORRUPT
+    else
+      dd if=/dev/urandom bs=$bytes count=1 of=$dir/CORRUPT
+    fi
+    objectstore_tool $dir $osd_id $objname set-bytes $dir/CORRUPT || return 1
+    rm -f $dir/CORRUPT
+    ceph osd unset noout
+}
+
+function rados_get_data_bad_size() {
+    local dir=$1
+    shift
+    local shard_id=$1
+    shift
+    local bytes=$1
+    shift
+    local mode=${1:-set}
+
+    local poolname=pool-jerasure
+    local objname=obj-size-$$-$shard_id-$bytes
+    rados_put $dir $poolname $objname || return 1
+
+    # Change the size of speificied shard
+    #
+    set_size $objname $dir $shard_id $bytes $mode || return 1
+
+    rados_get $dir $poolname $objname || return 1
+
+    # Leave objname and modify another shard
+    shard_id=$(expr $shard_id + 1)
+    set_size $objname $dir $shard_id $bytes $mode || return 1
+    rados_get $dir $poolname $objname fail || return 1
+    rm $dir/ORIGINAL
+}
+
+#
+# These two test cases try to validate the following behavior:
+#  For object on EC pool, if there is one shard having read error (
+#  either primary or replica), client can still read object.
+#
+# If 2 shards have read errors the client will get an error.
+#
+function TEST_rados_get_subread_eio_shard_0() {
+    local dir=$1
+    setup_osds 4 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 2 1 || return 1
+    # inject eio on primary OSD (0) and replica OSD (1)
+    local shard_id=0
+    rados_put_get_data eio $dir $shard_id || return 1
+    delete_erasure_coded_pool $poolname
+}
+
+function TEST_rados_get_subread_eio_shard_1() {
+    local dir=$1
+    setup_osds 4 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 2 1 || return 1
+    # inject eio into replicas OSD (1) and OSD (2)
+    local shard_id=1
+    rados_put_get_data eio $dir $shard_id || return 1
+    delete_erasure_coded_pool $poolname
+}
+
+# We don't remove the object from the primary because
+# that just causes it to appear to be missing
+
+function TEST_rados_get_subread_missing() {
+    local dir=$1
+    setup_osds 4 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 2 1 || return 1
+    # inject remove into replicas OSD (1) and OSD (2)
+    local shard_id=1
+    rados_put_get_data remove $dir $shard_id || return 1
+    delete_erasure_coded_pool $poolname
+}
+
+#
+#
+# These two test cases try to validate that following behavior:
+#  For object on EC pool, if there is one shard which an incorrect
+# size this will cause an internal read error, client can still read object.
+#
+# If 2 shards have incorrect size the client will get an error.
+#
+function TEST_rados_get_bad_size_shard_0() {
+    local dir=$1
+    setup_osds 4 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 2 1 || return 1
+    # Set incorrect size into primary OSD (0) and replica OSD (1)
+    local shard_id=0
+    rados_get_data_bad_size $dir $shard_id 10 || return 1
+    rados_get_data_bad_size $dir $shard_id 0 || return 1
+    rados_get_data_bad_size $dir $shard_id 256 add || return 1
+    delete_erasure_coded_pool $poolname
+}
+
+function TEST_rados_get_bad_size_shard_1() {
+    local dir=$1
+    setup_osds 4 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 2 1 || return 1
+    # Set incorrect size into replicas OSD (1) and OSD (2)
+    local shard_id=1
+    rados_get_data_bad_size $dir $shard_id 10 || return 1
+    rados_get_data_bad_size $dir $shard_id 0 || return 1
+    rados_get_data_bad_size $dir $shard_id 256 add || return 1
+    delete_erasure_coded_pool $poolname
+}
+
+function TEST_rados_get_with_subreadall_eio_shard_0() {
+    local dir=$1
+    local shard_id=0
+
+    setup_osds 4 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 2 1 || return 1
+    # inject eio on primary OSD (0)
+    rados_put_get_data eio $dir $shard_id recovery || return 1
+
+    delete_erasure_coded_pool $poolname
+}
+
+function TEST_rados_get_with_subreadall_eio_shard_1() {
+    local dir=$1
+    local shard_id=1
+
+    setup_osds 4 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 2 1 || return 1
+    # inject eio on replica OSD (1)
+    rados_put_get_data eio $dir $shard_id recovery || return 1
+
+    delete_erasure_coded_pool $poolname
+}
+
+# Test recovery the object attr read error
+function TEST_ec_object_attr_read_error() {
+    local dir=$1
+    local objname=myobject
+
+    setup_osds 7 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || return 1
+
+    local primary_osd=$(get_primary $poolname $objname)
+    # Kill primary OSD
+    kill_daemons $dir TERM osd.${primary_osd} >&2 < /dev/null || return 1
+
+    # Write data
+    rados_put $dir $poolname $objname || return 1
+
+    # Inject eio, shard 1 is the one read attr
+    inject_eio ec mdata $poolname $objname $dir 1 || return 1
+
+    # Restart OSD
+    activate_osd $dir ${primary_osd} || return 1
+
+    # Cluster should recover this object
+    wait_for_clean || return 1
+
+    rados_get $dir $poolname myobject || return 1
+
+    delete_erasure_coded_pool $poolname
+}
+
+# Test recovery the first k copies aren't all available
+function TEST_ec_single_recovery_error() {
+    local dir=$1
+    local objname=myobject
+
+    setup_osds 7 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || return 1
+
+    rados_put $dir $poolname $objname || return 1
+    inject_eio ec data $poolname $objname $dir 0 || return 1
+
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last_osd=${initial_osds[-1]}
+    # Kill OSD
+    kill_daemons $dir TERM osd.${last_osd} >&2 < /dev/null || return 1
+    ceph osd down ${last_osd} || return 1
+    ceph osd out ${last_osd} || return 1
+
+    # Cluster should recover this object
+    wait_for_clean || return 1
+
+    rados_get $dir $poolname myobject || return 1
+
+    delete_erasure_coded_pool $poolname
+}
+
+# Test recovery when repeated reads are needed due to EIO
+function TEST_ec_recovery_multiple_errors() {
+    local dir=$1
+    local objname=myobject
+
+    setup_osds 9 || return 1
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 4 4 || return 1
+
+    rados_put $dir $poolname $objname || return 1
+    inject_eio ec data $poolname $objname $dir 0 || return 1
+    # first read will try shards 0,1,2 when 0 gets EIO, shard 3 gets
+    # tried as well. Make that fail to test multiple-EIO handling.
+    inject_eio ec data $poolname $objname $dir 3 || return 1
+    inject_eio ec data $poolname $objname $dir 4 || return 1
+
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last_osd=${initial_osds[-1]}
+    # Kill OSD
+    kill_daemons $dir TERM osd.${last_osd} >&2 < /dev/null || return 1
+    ceph osd down ${last_osd} || return 1
+    ceph osd out ${last_osd} || return 1
+
+    # Cluster should recover this object
+    wait_for_clean || return 1
+
+    rados_get $dir $poolname myobject || return 1
+
+    delete_erasure_coded_pool $poolname
+}
+
+# Test recovery when there's only one shard to recover, but multiple
+# objects recovering in one RecoveryOp
+function TEST_ec_recovery_multiple_objects() {
+    local dir=$1
+    local objname=myobject
+
+    ORIG_ARGS=$CEPH_ARGS
+    CEPH_ARGS+=' --osd-recovery-max-single-start 3 --osd-recovery-max-active 3 '
+    setup_osds 7 || return 1
+    CEPH_ARGS=$ORIG_ARGS
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || return 1
+
+    rados_put $dir $poolname test1
+    rados_put $dir $poolname test2
+    rados_put $dir $poolname test3
+
+    ceph osd out 0 || return 1
+
+    # Cluster should recover these objects all at once
+    wait_for_clean || return 1
+
+    rados_get $dir $poolname test1
+    rados_get $dir $poolname test2
+    rados_get $dir $poolname test3
+
+    delete_erasure_coded_pool $poolname
+}
+
+# test multi-object recovery when the one missing shard gets EIO
+function TEST_ec_recovery_multiple_objects_eio() {
+    local dir=$1
+    local objname=myobject
+
+    ORIG_ARGS=$CEPH_ARGS
+    CEPH_ARGS+=' --osd-recovery-max-single-start 3 --osd-recovery-max-active 3 '
+    setup_osds 7 || return 1
+    CEPH_ARGS=$ORIG_ARGS
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || return 1
+
+    rados_put $dir $poolname test1
+    rados_put $dir $poolname test2
+    rados_put $dir $poolname test3
+
+    # can't read from this shard anymore
+    inject_eio ec data $poolname $objname $dir 0 || return 1
+    ceph osd out 0 || return 1
+
+    # Cluster should recover these objects all at once
+    wait_for_clean || return 1
+
+    rados_get $dir $poolname test1
+    rados_get $dir $poolname test2
+    rados_get $dir $poolname test3
+
+    delete_erasure_coded_pool $poolname
+}
+
+# Test backfill with unfound object
+function TEST_ec_backfill_unfound() {
+    local dir=$1
+    local objname=myobject
+    local lastobj=300
+    # Must be between 1 and $lastobj
+    local testobj=obj250
+
+    ORIG_ARGS=$CEPH_ARGS
+    CEPH_ARGS+=' --osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10'
+    setup_osds 5 || return 1
+    CEPH_ARGS=$ORIG_ARGS
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || return 1
+
+    ceph pg dump pgs
+
+    rados_put $dir $poolname $objname || return 1
+
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last_osd=${initial_osds[-1]}
+    kill_daemons $dir TERM osd.${last_osd} 2>&2 < /dev/null || return 1
+    ceph osd down ${last_osd} || return 1
+    ceph osd out ${last_osd} || return 1
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=${dir}/ORIGINAL bs=1024 count=4
+    for i in $(seq 1 $lastobj)
+    do
+      rados --pool $poolname put obj${i} $dir/ORIGINAL || return 1
+    done
+
+    inject_eio ec data $poolname $testobj $dir 0 || return 1
+    inject_eio ec data $poolname $testobj $dir 1 || return 1
+
+    activate_osd $dir ${last_osd} || return 1
+    ceph osd in ${last_osd} || return 1
+
+    sleep 15
+
+    for tmp in $(seq 1 100); do
+      state=$(get_state 2.0)
+      echo $state | grep backfill_unfound
+      if [ "$?" = "0" ]; then
+        break
+      fi
+      echo $state
+      sleep 1
+    done
+
+    ceph pg dump pgs
+    ceph pg 2.0 list_unfound | grep -q $testobj || return 1
+
+    # Command should hang because object is unfound
+    timeout 5 rados -p $poolname get $testobj $dir/CHECK
+    test $? = "124" || return 1
+
+    ceph pg 2.0 mark_unfound_lost delete
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $lastobj)
+    do
+      if [ obj${i} = "$testobj" ]; then
+        # Doesn't exist anymore
+        ! rados -p $poolname get $testobj $dir/CHECK || return 1
+      else
+        rados --pool $poolname get obj${i} $dir/CHECK || return 1
+        diff -q $dir/ORIGINAL $dir/CHECK || return 1
+      fi
+    done
+
+    rm -f ${dir}/ORIGINAL ${dir}/CHECK
+
+    delete_erasure_coded_pool $poolname
+}
+
+# Test recovery with unfound object
+function TEST_ec_recovery_unfound() {
+    local dir=$1
+    local objname=myobject
+    local lastobj=100
+    # Must be between 1 and $lastobj
+    local testobj=obj75
+
+    ORIG_ARGS=$CEPH_ARGS
+    CEPH_ARGS+=' --osd-recovery-max-single-start 3 --osd-recovery-max-active 3 '
+    CEPH_ARGS+=' --osd_min_pg_log_entries=5 --osd_max_pg_log_entries=10'
+    setup_osds 5 || return 1
+    CEPH_ARGS=$ORIG_ARGS
+
+    local poolname=pool-jerasure
+    create_erasure_coded_pool $poolname 3 2 || return 1
+
+    ceph pg dump pgs
+
+    rados_put $dir $poolname $objname || return 1
+
+    local -a initial_osds=($(get_osds $poolname $objname))
+    local last_osd=${initial_osds[-1]}
+    kill_daemons $dir TERM osd.${last_osd} 2>&2 < /dev/null || return 1
+    ceph osd down ${last_osd} || return 1
+    ceph osd out ${last_osd} || return 1
+
+    ceph pg dump pgs
+
+    dd if=/dev/urandom of=${dir}/ORIGINAL bs=1024 count=4
+    for i in $(seq 1 $lastobj)
+    do
+      rados --pool $poolname put obj${i} $dir/ORIGINAL || return 1
+    done
+
+    inject_eio ec data $poolname $testobj $dir 0 || return 1
+    inject_eio ec data $poolname $testobj $dir 1 || return 1
+
+    activate_osd $dir ${last_osd} || return 1
+    ceph osd in ${last_osd} || return 1
+
+    sleep 15
+
+    for tmp in $(seq 1 100); do
+      state=$(get_state 2.0)
+      echo $state | grep recovery_unfound
+      if [ "$?" = "0" ]; then
+        break
+      fi
+      echo "$state "
+      sleep 1
+    done
+
+    ceph pg dump pgs
+    ceph pg 2.0 list_unfound | grep -q $testobj || return 1
+
+    # Command should hang because object is unfound
+    timeout 5 rados -p $poolname get $testobj $dir/CHECK
+    test $? = "124" || return 1
+
+    ceph pg 2.0 mark_unfound_lost delete
+
+    wait_for_clean || return 1
+
+    for i in $(seq 1 $lastobj)
+    do
+      if [ obj${i} = "$testobj" ]; then
+        # Doesn't exist anymore
+        ! rados -p $poolname get $testobj $dir/CHECK || return 1
+      else
+        rados --pool $poolname get obj${i} $dir/CHECK || return 1
+        diff -q $dir/ORIGINAL $dir/CHECK || return 1
+      fi
+    done
+
+    rm -f ${dir}/ORIGINAL ${dir}/CHECK
+
+    delete_erasure_coded_pool $poolname
+}
+
+main test-erasure-eio "$@"
+
+# Local Variables:
+# compile-command: "cd ../.. ; make -j4 && test/erasure-code/test-erasure-eio.sh"
+# End: