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ZTS: Simplify zpool_initialize_verify_initialized

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Consider the test to be a success as long as the initializing pattern
is found at least once per metaslab.  This indicates that at least
part of the free space was initialized.  Ideally we'd check that the
pattern was written to all free space but that's much trickier so this
check is a reasonable compromise.

Using a here-string to feed the loop in this test causes an empty
string to still trigger the loop so we miss the `spacemaps=0` case.
Pipe into the loop instead.

While here, we can use `zpool wait -t initialize $TESTPOOL` to wait for
the pool to initialize.

Co-authored-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #11365
This commit is contained in:
Brian Behlendorf 2020-12-18 08:42:59 -08:00
parent a103ae446e
commit fa7b558bef
1 changed files with 25 additions and 24 deletions
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49
tests/zfs-tests/tests/functional/cli_root/zpool_initialize/zpool_initialize_verify_initialized.ksh
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@ -24,7 +24,6 @@
# Copyright (c) 2016 by Delphix. All rights reserved. # Copyright (c) 2016 by Delphix. All rights reserved.
# #
. $STF_SUITE/include/libtest.shlib . $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zpool_initialize/zpool_initialize.kshlib
# #
# DESCRIPTION: # DESCRIPTION:
@ -33,8 +32,8 @@
# STRATEGY: # STRATEGY:
# 1. Create a one-disk pool. # 1. Create a one-disk pool.
# 2. Initialize the disk to completion. # 2. Initialize the disk to completion.
# 3. Load all metaslabs that don't have a spacemap, and make sure the entire # 3. Load all metaslabs and make sure that each contains at least
# metaslab has been filled with the initializing pattern (deadbeef). # once instance of the initializing pattern (deadbeef).
# #
function cleanup function cleanup
@ -58,32 +57,34 @@ ORIG_PATTERN=$(get_tunable INITIALIZE_VALUE)
log_must set_tunable64 INITIALIZE_VALUE $(printf %llu 0x$PATTERN) log_must set_tunable64 INITIALIZE_VALUE $(printf %llu 0x$PATTERN)
log_must mkdir "$TESTDIR" log_must mkdir "$TESTDIR"
log_must mkfile $MINVDEVSIZE "$SMALLFILE" log_must truncate -s $MINVDEVSIZE "$SMALLFILE"
log_must zpool create $TESTPOOL "$SMALLFILE" log_must zpool create $TESTPOOL "$SMALLFILE"
log_must zpool initialize $TESTPOOL log_must zpool initialize -w $TESTPOOL
while [[ "$(initialize_progress $TESTPOOL $SMALLFILE)" -lt "100" ]]; do
sleep 0.5
done
log_must zpool export $TESTPOOL log_must zpool export $TESTPOOL
spacemaps=0 metaslabs=0
bs=512 bs=512
while read -r sm; do zdb -p $TESTDIR -Pme $TESTPOOL | awk '/metaslab[ ]+[0-9]+/ { print $4, $8 }' |
typeset offset="$(echo $sm | cut -d ' ' -f1)" while read -r offset_size; do
typeset size="$(echo $sm | cut -d ' ' -f2)" typeset offset=$(echo $offset_size | cut -d ' ' -f1)
typeset size=$(echo $offset_size | cut -d ' ' -f2)
spacemaps=$((spacemaps + 1)) log_note "offset: '$offset'"
offset=$(((4 * 1024 * 1024) + 16#$offset)) log_note "size: '$size'"
out=$(dd if=$SMALLFILE skip=$(($offset / $bs)) \
count=$(($size / $bs)) bs=$bs 2>/dev/null | od -t x8 -Ad)
echo "$out" | log_must egrep "$PATTERN|\*|$size"
done <<< "$(zdb -p $TESTDIR -Pme $TESTPOOL | egrep 'spacemap[ ]+0 ' | \
awk '{print $4, $8}')"
if [[ $spacemaps -eq 0 ]];then metaslabs=$((metaslabs + 1))
log_fail "Did not find any empty space maps to check" offset=$(((4 * 1024 * 1024) + 16#$offset))
log_note "vdev file offset: '$offset'"
# Note we use '-t x4' instead of '-t x8' here because x8 is not
# a supported format on FreeBSD.
dd if=$SMALLFILE skip=$((offset / bs)) count=$((size / bs)) bs=$bs |
od -t x4 -Ad | egrep -q "deadbeef +deadbeef +deadbeef +deadbeef" ||
log_fail "Pattern not found in metaslab free space"
done
if [[ $metaslabs -eq 0 ]]; then
log_fail "Did not find any metaslabs to check"
else else
log_pass "Initializing wrote appropriate amount to disk" log_pass "Initializing wrote to each metaslab"
fi fi