diff options
Diffstat (limited to '')
-rw-r--r-- | tests/07layouts | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/tests/07layouts b/tests/07layouts new file mode 100644 index 0000000..acd1a80 --- /dev/null +++ b/tests/07layouts @@ -0,0 +1,91 @@ + +# check that kernel an restripe interpret all the different layouts +# the same +# This involves changing the layout to each different possibility +# while MDADM_GROW_VERIFY is set. + +testK=$[64*3*6] +dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$testK +export MDADM_GROW_VERITY=1 + + +dotest() { + sleep 0.5 + check wait + testdev $md0 $1 $mdsize1 512 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=$1 + shift + if [ " `sed 's/ .*//' /sys/block/$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 + +# first a degraded 5 device raid5 +mdadm -CR $md0 -l5 -n5 $dev0 $dev1 missing $dev2 $dev3 +dd if=/tmp/RandFile of=$md0 +dotest 4 + +l5[0]=la +l5[1]=ra +l5[2]=ls +l5[3]=rs +l5[4]=parity-first +l5[5]=parity-last +for layout in 0 1 2 3 4 5 0 +do + mdadm -G $md0 --layout=${l5[$layout]} --backup-file $bu + checkgeo md0 raid5 5 $[512*1024] $layout + dotest 4 +done + +mdadm -S $md0 +# now a doubly degraded raid6 +mdadm -CR $md0 -l6 -n5 $dev0 missing $dev2 missing $dev4 +dd if=/tmp/RandFile of=$md0 +dotest 3 + +l6[0]=la +l6[1]=ra +l6[2]=ls +l6[3]=rs +l6[4]=parity-first +l6[5]=parity-last +l6[8]=ddf-zero-restart +l6[9]=ddf-N-restart +l6[10]=ddf-N-continue +l6[16]=left-asymmetric-6 +l6[17]=right-asymmetric-6 +l6[18]=left-symmetric-6 +l6[19]=right-symmetric-6 +l6[20]=parity-first-6 +for layout in 0 1 2 3 4 5 8 9 10 16 17 18 19 20 0 +do + mdadm -G $md0 --layout=${l6[$layout]} --backup-file $bu + checkgeo md0 raid6 5 $[512*1024] $layout + dotest 3 +done |