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#!/usr/bin/env bash
# This is a test for https://tracker.ceph.com/issues/40481.
#
# An osdmap with 60000 slots encodes to ~16M, of which the ignored portion
# is ~13M. However in-memory osdmap is larger than ~3M: in-memory osd_addr
# array for 60000 OSDs is ~8M because of sockaddr_storage.
#
# Set mon_max_osd = 60000 in ceph.conf.
set -ex
function expect_false() {
if "$@"; then return 1; else return 0; fi
}
function run_test() {
local dev
# initially tiny, grow via incrementals
dev=$(sudo rbd map img)
for max in 8 60 600 6000 60000; do
ceph osd setmaxosd $max
expect_false sudo rbd map wait_for/latest_osdmap
xfs_io -c 'pwrite -w 0 12M' $DEV
done
ceph osd getcrushmap -o /dev/stdout | ceph osd setcrushmap -i /dev/stdin
expect_false sudo rbd map wait_for/latest_osdmap
xfs_io -c 'pwrite -w 0 12M' $DEV
sudo rbd unmap $dev
# initially huge, shrink via incrementals
dev=$(sudo rbd map img)
for max in 60000 6000 600 60 8; do
ceph osd setmaxosd $max
expect_false sudo rbd map wait_for/latest_osdmap
xfs_io -c 'pwrite -w 0 12M' $DEV
done
ceph osd getcrushmap -o /dev/stdout | ceph osd setcrushmap -i /dev/stdin
expect_false sudo rbd map wait_for/latest_osdmap
xfs_io -c 'pwrite -w 0 12M' $DEV
sudo rbd unmap $dev
}
rbd create --size 12M img
run_test
# repeat with primary affinity (adds an extra array)
ceph osd primary-affinity osd.0 0.5
run_test
echo OK
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