From 489bea7ee8e1dbecfa517b8415568044ab57c73a Mon Sep 17 00:00:00 2001 From: Michael Tokarev Date: Sat, 20 Dec 2014 08:48:44 +0000 Subject: mdadm (3.3.2-5) unstable; urgency=medium * use-tempnode-not-devnode.patch: change udev rules file to use $tempnode which works both on wheezy and jessie udev, instead of $devnode which only works in jessie. At this stage it is better to make rules file compatible with old version instead of adding versioned dependency. Should be removed for jessie+1. (Closes: #770883) * fix Closes: list in previous entry (Closes: #771852) # imported from the archive --- tests/07changelevels | 113 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 tests/07changelevels (limited to 'tests/07changelevels') diff --git a/tests/07changelevels b/tests/07changelevels new file mode 100644 index 00000000..d33e007c --- /dev/null +++ b/tests/07changelevels @@ -0,0 +1,113 @@ + +# Test changing of level, chunksize etc. +# Create a RAID1, convert to RAID5, add a disk, add another disk +# convert to RAID6, back to RAID5 and ultimately to RAID1 + +testK=$[64*3*6] +dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$testK +export MDADM_GROW_VERIFY=1 + +dotest() { + sleep 2 + check wait + testdev $md0 $1 19968 64 nd + blockdev --flushbufs $md0 + cmp -s -n $[textK*1024] $md0 /tmp/RandFile || { echo cmp failed; exit 2; } + # write something new - shift chars 4 space + tr ' -~' '$-~ -#' < /tmp/RandFile > /tmp/RandFile2 + mv /tmp/RandFile2 /tmp/RandFile + dd if=/tmp/RandFile of=$md0 +} + +checkgeo() { + # check the geometry of an array + # level raid_disks chunk_size layout + dev=$1 + shift + sleep 0.5 + check wait + for attr in level raid_disks chunk_size layout + do + if [ $# -gt 0 ] ; then + val=$1 + shift + if [ " `cat /sys/block/$dev/md/$attr`" != " $val" ] + then echo "$attr doesn't match for $dev" + exit 1 + fi + fi + done +} + + +bu=/tmp/md-test-backup +rm -f $bu +mdadm -CR $md0 -l1 -n2 -x1 $dev0 $dev1 $dev2 -z 19968 +testdev $md0 1 $mdsize1a 64 +dd if=/tmp/RandFile of=$md0 +dotest 1 + +mdadm --grow $md0 -l5 -n3 --chunk 64 +dotest 2 + +mdadm $md0 --add $dev3 $dev4 +mdadm --grow $md0 -n4 --chunk 32 +dotest 3 + +mdadm -G $md0 -l6 --backup-file $bu +dotest 3 + +mdadm -G /dev/md0 --array-size 39936 +mdadm -G $md0 -n4 --backup-file $bu +checkgeo md0 raid6 4 $[32*1024] +dotest 2 + +mdadm -G $md0 -l5 --backup-file $bu +checkgeo md0 raid5 3 $[32*1024] +dotest 2 + +mdadm -G /dev/md0 --array-size 19968 +mdadm -G $md0 -n2 --backup-file $bu +checkgeo md0 raid5 2 $[32*1024] +dotest 1 + +mdadm -G --level=1 $md0 +dotest 1 + +# now repeat that last few steps only with a degraded array. +mdadm -S $md0 +mdadm -CR $md0 -l6 -n5 $dev0 $dev1 $dev2 $dev3 $dev4 +dd if=/tmp/RandFile of=$md0 +dotest 3 + +mdadm $md0 --fail $dev0 + +mdadm -G /dev/md0 --array-size 37888 +mdadm -G $md0 -n4 --backup-file $bu +dotest 2 +checkgeo md0 raid6 4 $[512*1024] +mdadm $md0 --fail $dev4 + +mdadm $md0 --fail $dev3 +# now double-degraded. +# switch layout to a DDF layout and back to make sure that works. + +mdadm -G /dev/md0 --layout=ddf-N-continue --backup-file $bu +checkgeo md0 raid6 4 $[512*1024] 10 +dotest 2 +mdadm -G /dev/md0 --layout=ra --backup-file $bu +checkgeo md0 raid6 4 $[512*1024] 1 +dotest 2 + +mdadm -G $md0 -l5 --backup-file $bu +dotest 2 + +mdadm -G /dev/md0 --array-size 18944 +mdadm -G $md0 -n2 --backup-file $bu +dotest 1 +checkgeo md0 raid5 2 $[512*1024] +mdadm $md0 --fail $dev2 + +mdadm -G --level=1 $md0 +dotest 1 +checkgeo md0 raid1 2 -- cgit v1.2.3