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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:42:59 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:42:59 +0000 |
| commit | 0c7a6eb5ccace1d8e9f7b301f6a61a7d3f016369 (patch) | |
| tree | 80a778fbd7bb3c7858cfac572df1cb08cfa4f988 /tests/10ddf-fail-create-race | |
| parent | Initial commit. (diff) | |
| download | mdadm-0c7a6eb5ccace1d8e9f7b301f6a61a7d3f016369.tar.xz mdadm-0c7a6eb5ccace1d8e9f7b301f6a61a7d3f016369.zip | |
Adding upstream version 4.2.upstream/4.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/10ddf-fail-create-race')
| -rw-r--r-- | tests/10ddf-fail-create-race | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/tests/10ddf-fail-create-race b/tests/10ddf-fail-create-race new file mode 100644 index 0000000..bd5dfb5 --- /dev/null +++ b/tests/10ddf-fail-create-race @@ -0,0 +1,66 @@ +# This test creates a RAID1, fails a disk, and immediately +# (simultaneously) creates a new array. This tests for a possible +# race where the meta data reflecting the disk failure may not +# be written when the 2nd array is created. +. tests/env-ddf-template + +mdadm --zero-superblock $dev8 $dev9 $dev10 $dev11 $dev12 $dev13 + +mdadm -CR $container -e ddf -l container -n 2 $dev11 $dev12 +#$dir/mdadm -CR $member0 -l raid1 -n 2 $container -z 10000 >/tmp/mdmon.txt 2>&1 +mdadm -CR $member0 -l raid1 -n 2 $container -z 10000 +check wait +fail0=$dev11 +mdadm --fail $member0 $fail0 & + +# The test can succeed two ways: +# 1) mdadm -C member1 fails - in this case the meta data +# was already on disk when the create attempt was made +# 2) mdadm -C succeeds in the first place (meta data not on disk yet), +# but mdmon detects the problem and sets the disk faulty. + +if mdadm -CR $member1 -l raid1 -n 2 $container; then + + echo create should have failed / race condition? + + check wait + set -- $(get_raiddisks $member0) + d0=$1 + ret=0 + if [ $1 = $fail0 -o $2 = $fail0 ]; then + ret=1 + else + set -- $(get_raiddisks $member1) + if [ $1 = $fail0 -o $2 = $fail0 ]; then + ret=1 + fi + fi + if [ $ret -eq 1 ]; then + echo ERROR: failed disk $fail0 is still a RAID member + echo $member0: $(get_raiddisks $member0) + echo $member1: $(get_raiddisks $member1) + fi + tmp=$(mktemp /tmp/mdest-XXXXXX) + mdadm -E $d0 >$tmp + if [ x$(grep -c 'state\[[01]\] : Degraded' $tmp) != x2 ]; then + echo ERROR: non-degraded array found + mdadm -E $d0 + ret=1 + fi + if ! grep -q '^ *0 *[0-9a-f]\{8\} .*Offline, Failed' $tmp; then + echo ERROR: disk 0 not marked as failed in meta data + mdadm -E $d0 + ret=1 + fi + rm -f $tmp +else + ret=0 +fi + +[ -f /tmp/mdmon.txt ] && { + cat /tmp/mdmon.txt + rm -f /tmp/mdmon.txt +} + +[ $ret -eq 0 ] + |