55 lines
1.1 KiB
Text
55 lines
1.1 KiB
Text
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#
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# test interrupting and restarting raid5 reshape.
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set -x
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devs="$dev1"
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st=UU
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for disks in 2 3 4 5
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do
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eval devs=\"$devs \$dev$disks\"
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st=U$st
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for d in $devs
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do dd if=/dev/urandom of=$d bs=1024 || true
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done
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case $disks in
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2 | 3) chunk=1024;;
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4 ) chunk=512;;
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5 ) chunk=256;;
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esac
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mdadm -CR $md0 -amd -l5 -c $chunk -n$disks --assume-clean $devs
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mdadm $md0 --add $dev6
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echo 20 > /proc/sys/dev/raid/speed_limit_min
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echo 20 > /proc/sys/dev/raid/speed_limit_max
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mdadm --grow $md0 -n $[disks+1]
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check reshape
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check state $st
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mdadm --stop $md0
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mdadm --assemble $md0 $devs $dev6
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check reshape
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echo 1000 > /proc/sys/dev/raid/speed_limit_min
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echo 2000 > /proc/sys/dev/raid/speed_limit_max
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check wait
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max=5
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for ((i = 0 ; i < max ; i++ )); do
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if [[ $(echo check > /sys/block/md0/md/sync_action) != 0 ]]; then
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break;
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fi
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sleep 2
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done
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if [[ i == max ]]; then
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echo >&2 "Timeout waiting for check to succeed"
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exit 1
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fi
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check wait
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mm=`cat /sys/block/md0/md/mismatch_cnt`
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if [ $mm -gt 0 ]
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then echo >&2 "ERROR mismatch_cnt non-zero : $mm" ; exit 1
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fi
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mdadm -S $md0
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done
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