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tests/07reshape5intr
40 строк
946 B
Jes Sorensen
07reshape5intr: Set speed_limit_min to be able to reduce resync speed below 1000
13 авг 2012, 02:00
13 авг 2012, 02:00
aa437af
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# # 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 echo check > /sys/block/md0/md/sync_action 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