test: Add testing for erasure code backfill out of space detection

Signed-off-by: David Zafman <dzafman@redhat.com>
This commit is contained in:
David Zafman 2018-10-30 11:31:06 -07:00
parent 0474498684
commit 094d39aa09

View File

@ -600,6 +600,561 @@ function TEST_backfill_grow() {
! 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 $osd || return 1
done
ceph osd set-backfillfull-ratio .85
create_pool fillpool 1 1
ceph osd pool set fillpool size 1
# Partially fill an osd
# We have room for 200 18K replicated objects, if we create 13K objects
# there is only 3600K - (13K * 200) = 1000K which won't hold
# a k=3 shard below ((18K / 3) + 4K) * 200 = 2000K
# Actual usage per shard is 8K * 200 = 1600K because 18K/3 is 6K which
# rounds to 8K. The 2000K is the ceiling on the 18K * 200 = 3600K logical
# bytes in the pool.
dd if=/dev/urandom of=$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 $(cat $dir/osd.$fillosd.pid)
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 $(cat $dir/osd.$osd.pid)
ceph osd out osd.$osd
activate_osd $dir $fillosd || return 1
ceph osd in osd.$fillosd
sleep 30
ceph pg dump pgs
wait_for_backfill 120 || return 1
wait_for_active 30 || 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 $osd || return 1
done
# This test requires that shards from 2 different pools
# fit on a given OSD, but both will not fix. I'm using
# making the fillosd plus 1 shard use 75% of the space,
# leaving not enough to be under the 85% set here.
ceph osd set-backfillfull-ratio .85
ceph osd set-require-min-compat-client luminous
create_pool fillpool 1 1
ceph osd pool set fillpool size 1
# Partially fill an osd
# We have room for 200 18K replicated objects, if we create 9K objects
# there is only 3600K - (9K * 200) = 1800K which will only hold
# one k=3 shard below ((12K / 3) + 4K) * 200 = 1600K
# The actual data will be (12K / 3) * 200 = 800K because the extra
# is the reservation padding for chunking.
dd if=/dev/urandom of=$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% *} $fillosd
done
sleep 10
wait_for_backfill 120 || return 1
wait_for_active 30 || return 1
ceph pg dump pgs
ERRORS=0
if [ "$(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
# 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 $lastosd || return 1
#ceph tell osd.0 debug kick_recovery_wq 0
sleep 10
ceph pg dump pgs
wait_for_backfill 120 || return 1
wait_for_active 30 || return 1
ceph pg dump pgs
ERRORS=0
if [ "$(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 $osd || return 1
done
# Below we need to fit 3200K in 3600K which is 88%
# so set to 90%
ceph osd set-backfillfull-ratio .90
ceph osd set-require-min-compat-client luminous
create_pool fillpool 1 1
ceph osd pool set fillpool size 1
# Partially fill an osd
# We have room for 200 48K ec objects, if we create 4k replicated objects
# there is 3600K - (4K * 200) = 2800K which won't hold 2 k=3 shard
# of 200 12K objects which takes ((12K / 3) + 4K) * 200 = 1600K each.
# On the other OSDs 2 * 1600K = 3200K which is 88% of 3600K.
dd if=/dev/urandom of=$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 $(cat $dir/osd.$fillosd.pid)
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 $(cat $dir/osd.$osd.pid)
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 15
wait_for_backfill 120 || return 1
wait_for_active 30 || 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: