67 lines
1.8 KiB
Plaintext
67 lines
1.8 KiB
Plaintext
# This test creates a RAID1, fails a disk, and immediately
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# (simultaneously) creates a new array. This tests for a possible
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# race where the meta data reflecting the disk failure may not
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# be written when the 2nd array is created.
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. tests/env-ddf-template
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mdadm --zero-superblock $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
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mdadm -CR $container -e ddf -l container -n 2 $dev11 $dev12
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#$dir/mdadm -CR $member0 -l raid1 -n 2 $container -z 10000 >/tmp/mdmon.txt 2>&1
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mdadm -CR $member0 -l raid1 -n 2 $container -z 10000
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check wait
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fail0=$dev11
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mdadm --fail $member0 $fail0 &
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# The test can succeed two ways:
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# 1) mdadm -C member1 fails - in this case the meta data
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# was already on disk when the create attempt was made
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# 2) mdadm -C succeeds in the first place (meta data not on disk yet),
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# but mdmon detects the problem and sets the disk faulty.
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if mdadm -CR $member1 -l raid1 -n 2 $container; then
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echo create should have failed / race condition?
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check wait
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set -- $(get_raiddisks $member0)
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d0=$1
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ret=0
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if [ $1 = $fail0 -o $2 = $fail0 ]; then
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ret=1
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else
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set -- $(get_raiddisks $member1)
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if [ $1 = $fail0 -o $2 = $fail0 ]; then
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ret=1
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fi
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fi
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if [ $ret -eq 1 ]; then
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echo ERROR: failed disk $fail0 is still a RAID member
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echo $member0: $(get_raiddisks $member0)
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echo $member1: $(get_raiddisks $member1)
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fi
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tmp=$(mktemp /tmp/mdest-XXXXXX)
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mdadm -E $d0 >$tmp
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if [ x$(grep -c 'state\[[01]\] : Degraded' $tmp) != x2 ]; then
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echo ERROR: non-degraded array found
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mdadm -E $d0
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ret=1
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fi
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if ! grep -q '^ *0 *[0-9a-f]\{8\} .*Offline, Failed' $tmp; then
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echo ERROR: disk 0 not marked as failed in meta data
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mdadm -E $d0
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ret=1
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fi
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rm -f $tmp
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else
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ret=0
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fi
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[ -f /tmp/mdmon.txt ] && {
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cat /tmp/mdmon.txt
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rm -f /tmp/mdmon.txt
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}
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[ $ret -eq 0 ]
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