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Diffstat (limited to 'tests/07reshape5intr')
| -rw-r--r-- | tests/07reshape5intr | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tests/07reshape5intr b/tests/07reshape5intr new file mode 100644 index 0000000..0f4803a --- /dev/null +++ b/tests/07reshape5intr @@ -0,0 +1,41 @@ + +# +# test interrupting and restarting raid5 reshape. +set -x +devs="$dev1" +st=UU +for disks in 2 3 4 5 +do + eval devs=\"$devs \$dev$disks\" + st=U$st + for d in $devs + do dd if=/dev/urandom of=$d bs=1024 || true + done + + case $disks in + 2 | 3) chunk=1024;; + 4 ) chunk=512;; + 5 ) chunk=256;; + esac + + mdadm -CR $md0 -amd -l5 -c $chunk -n$disks --assume-clean $devs + mdadm $md0 --add $dev6 + echo 20 > /proc/sys/dev/raid/speed_limit_min + echo 20 > /proc/sys/dev/raid/speed_limit_max + mdadm --grow $md0 -n $[disks+1] + check reshape + check state $st + mdadm --stop $md0 + mdadm --assemble $md0 $devs $dev6 + check reshape + echo 1000 > /proc/sys/dev/raid/speed_limit_min + echo 2000 > /proc/sys/dev/raid/speed_limit_max + check wait + while ! echo check > /sys/block/md0/md/sync_action; do sleep 0.1; done + check wait + mm=`cat /sys/block/md0/md/mismatch_cnt` + if [ $mm -gt 0 ] + then echo >&2 "ERROR mismatch_cnt non-zero : $mm" ; exit 1 + fi + mdadm -S $md0 +done |