Spare migration tests
This is a series of tests checking if mdadm Monitor migrates spares according to rules in /etc/mdadm.conf defined by POLICY lines. Signed-off-by: Anna Czarnowska <anna.czarnowska@intel.com> Signed-off-by: Marcin Labun <marcin.labun@intel.com> Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Anna Czarnowska
NeilBrown
parent
de6ae75015
commit
976915080e
3
test
3
test
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@ -53,7 +53,8 @@ cleanup() {
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$mdadm -Ssq
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for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
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do
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losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
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losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
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rm -f /dev/disk/by-path/loop*
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done
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}
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@ -0,0 +1,383 @@
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# Set of tests for autorebuild functionality using mdadm -F
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# To be able to test ddf one must have all loop devices of bigger size, with the ones
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# above number 7 bigger again by any amount (this is not changed for now as it
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# could affect other tests)
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. tests/utils
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set -ex
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verbose="yes"
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sleeptime=10
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# if listfailed=yes then don't exit if test failed due to wrong
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# spare-migration and just print a list at the end. Other errors still
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# stop the test.
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# if listfailed=no then exit on first failure
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listfailed="yes"
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# start Monitor, set monitorpid
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# uses global scan variable
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# all parameters are numbers of devices to be monitored. only used when $scan="no"
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# eg. monitor 0 1 will start monitoring of containers c0, c1 and subarrays v0, v1
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monitor(){
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[ -z $monitorpid ] || return
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if [ "$scan" == "yes" ]; then
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$mdadm -F -d 1 --scan --mail root@localhost &
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monitorpid=$!
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return
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fi
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unset mddevs
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while [ -n "$1" ]
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do
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eval container=\$c$1
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eval volumes=\$v$1
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mddevs="$mddevs /dev/$container"
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if [ "$container" != "$volumes" ]; then
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for vol in $volumes; do
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mddevs="$mddevs /dev/$vol"
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done
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fi
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shift
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done
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if [ -n "$mddevs" ]; then
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if [ "$verbose" != "yes" ]; then
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$mdadm -F -d 1 $mddevs >&2 &
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monitorpid=$!
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else
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$mdadm -F -t -d 1 $mddevs &
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monitorpid=$!
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fi
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fi
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[ "$verbose" != "yes" ] || echo $mddevs $monitorpid
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}
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test1()
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{
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dsc "Test 1: Common domain, add disk to one container and fail first one in another container, spare should be moved"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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# create config file with arrays and common domain
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 3 4
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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mdadm --fail /dev/$v0 $dev0
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# check that spare loop2 was moved from container c1 to container c0
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chksparemoved $c1 $c0 $dev2
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tidyup
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}
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test1a()
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{
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dsc "Test 1a: Common domain, add disk to one container and fail second one in another container, spare should be moved"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 3 4
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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mdadm --fail /dev/$v0 $dev1
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# check that spare loop2 was moved from container c1 to container c0
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chksparemoved $c1 $c0 $dev2
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tidyup
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}
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test2()
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{
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dsc "Test 2: Common domain, fail disk in one container and add one to another container, spare should be moved"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 3 4
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monitor 0 1
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mdadm --fail /dev/$v0 $dev1
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mdadm -a /dev/$c1 $dev2
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chksparemoved $c1 $c0 $dev2
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tidyup
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}
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test3()
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{
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dsc "Test 3: Two domains, fail a disk in one domain, add a disk to another domain, the spare should not be moved"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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# create config file with 2 domains
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createconfig a
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createconfig domain-$platform"1" $platform spare 0 1 2
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createconfig domain-$platform"2" $platform spare 3 4 5
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monitor 0 1
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mdadm --fail /dev/$v0 $dev1
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mdadm -a /dev/$c1 $dev5
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chksparemoved $c1 $c0 $dev5 n
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tidyup
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}
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test4()
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{
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dsc "Test 4: One domain holds one container, fail a disk in domain, and add disk to a container not described by domain, spare loop5 should not be moved"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2
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monitor 0 1
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mdadm --fail /dev/$v0 $dev1
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mdadm -a /dev/$c1 $dev5
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chksparemoved $c1 $c0 $dev5 n
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tidyup
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}
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test5()
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{
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dsc "Test 5: Two domains, two containers in each domain"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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setupdevs 2 5 6 $platform
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setupdevs 3 7 8 $platform
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# 2 and 9 for spares
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createconfig a
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createconfig domain-$platform"1" $platform spare 0 1 2 3 4
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createconfig domain-$platform"2" $platform spare 5 6 7 8 9
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monitor 0 1 2 3
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test5a
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test5b
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test5c
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tidyup
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}
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test5a()
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{
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dsc "Test 5a: Two containers in each domain, add spare loop2 to domain1 and fail disk in the other domain, the spare should not be moved"
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mdadm -a /dev/$c0 $dev2
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mdadm --fail /dev/$v2 $dev5
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chksparemoved $c0 $c2 $dev2 n
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}
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test5b()
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{
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dsc "Test 5b: Fail disk in the same domain but different container, spare loop2 should be moved"
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mdadm --fail /dev/$v1 $dev3
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chksparemoved $c0 $c1 $dev2
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}
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test5c()
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{
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dsc "Test 5c: Add spare loop9 to different container in domain with degraded array, spare should be moved"
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mdadm -a /dev/$c3 $dev9
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chksparemoved $c3 $c2 $dev9
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}
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test6()
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{
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dsc "Test 6: One domain has two containers, fail a disk in one container, there is a spare in other container too small to use for rebuild"
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setupdevs 0 0 1 $platform
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setupdevs 1 8 9 $platform
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# all devices in one domain
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 8 9
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monitor 0 1
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mdadm -a /dev/$c0 $dev2
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mdadm --fail /dev/$v1 $dev8
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chksparemoved $c0 $c1 $dev2 n
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tidyup
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}
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test7()
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{
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dsc "Test 7: One domain, add small spare to container, fail disk in array, spare not used, add suitable spare to other container, spare should be moved"
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setupdevs 0 0 1 $platform
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setupdevs 1 8 9 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 8 9 10
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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mdadm --fail /dev/$v1 $dev8
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mdadm -a /dev/$c0 $dev10
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chksparemoved $c0 $c1 $dev10
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tidyup
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}
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test7a()
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{
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dsc "Test 7a: Small spare in parent, suitable one in other container, $dev2 in $c1 is not in common domain"
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setupdevs 0 0 1 $platform
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setupdevs 1 8 9 $platform
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#all $platform devices in one domain
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createconfig a
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createconfig domain-$platform"1" $platform spare 0 1 8 9 10
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createconfig domain-$platform"2" $platform spare 2
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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chkspare $c1 $dev2
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mdadm --fail /dev/$v1 $dev8
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mdadm -a /dev/$c0 $dev10
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chksparemoved $c0 $c1 $dev10
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tidyup
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}
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test8()
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{
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# ddf does not have getinfo_super_disks implemented so skip this test
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return
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dsc "Test 8: imsm and ddf - spare should not be migrated"
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setupdevs 0 10 11 imsm
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setupdevs 1 8 9 ddf
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createconfig a
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createconfig domain0 noplatform spare 8 9 10 11 12
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monitor 0 1
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mdadm -a /dev/$c1 $dev12
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mdadm --fail /dev/$v0 $dev10
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chksparemoved $c1 $c0 $dev12 n
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tidyup
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}
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test9()
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{
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dsc "Test 9: imsm and native 1.2 - spare should not be shared"
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setupdevs 0 10 11 imsm
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setupdevs 1 8 9 1.2
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createconfig a
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createconfig domain0 noplatform spare 8 9 10 11 12
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monitor 0 1
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mdadm -a /dev/$c1 $dev12
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mdadm --fail /dev/$v0 $dev10
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chksparemoved $c1 $c0 $dev12 n
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tidyup
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}
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test10()
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{
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dsc "Test 10: Two arrays on the same devices in container"
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setupdevs 0 0 1 $platform 10000
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setupdevs 1 3 4 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 3 4 5
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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mdadm --fail /dev/md/sub0_ $dev0
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chksparemoved $c1 $c0 $dev2
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if [ $failed -eq 0 ]; then
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# now fail the spare and see if we get another one
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mdadm --fail /dev/md/sub0_ $dev2
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mdadm -a /dev/$c1 $dev5
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chksparemoved $c1 $c0 $dev5
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fi
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tidyup
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}
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test11()
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{
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dsc "Test 11: Failed spare from other container should not be used"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 3 4
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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mdadm --fail /dev/$v1 $dev3
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#wait until recovery finishes so no degraded array in c1
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check wait
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mdadm --fail /dev/$v0 $dev0
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chksparemoved $c1 $c0 $dev3 n
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tidyup
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}
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test12()
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{
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dsc "Test 12: Only one spare should be taken for rebuild, second not needed"
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setupdevs 0 0 1 $platform
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setupdevs 1 3 4 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 3 4 5
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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mdadm -a /dev/$c1 $dev5
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mdadm --fail /dev/$v0 $dev0
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sleep $sleeptime
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chkarray $dev2 n
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sc1=$c
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chkarray $dev5 n
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sc2=$c
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[ "$sc1" != "$sc2" ] || err "both spares in the same container $sc1"
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tidyup
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}
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test13()
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{
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dsc "Test 13: Common domain, two containers, fail a disk in container, action is below spare, the spare should not be moved"
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setupdevs 0 0 1 $platform
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setupdevs 1 4 5 $platform
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# same domain but different action on 4 5 6
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createconfig a
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createconfig domain-$platform $platform spare 0 1
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createconfig domain-$platform $platform include 4 5 6
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monitor 0 1
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mdadm -a /dev/$c1 $dev6
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mdadm --fail /dev/$v0 $dev0
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chksparemoved $c1 $c0 $d6 n
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tidyup
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}
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test14()
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{
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dsc "Test 14: One domain, small array on big disks, check if small spare is accepted"
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setupdevs 0 8 9 $platform 10000 1
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setupdevs 1 0 1 $platform
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createconfig a
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createconfig domain-$platform $platform spare 0 1 2 8 9
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monitor 0 1
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mdadm -a /dev/$c1 $dev2
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mdadm --fail /dev/$v0 $dev9
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chksparemoved $c1 $c0 $d2
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tidyup
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}
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try()
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{
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test1
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test1a
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test2
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test3
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test4
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test5
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test6
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if [ "$platform" != "1.2" ]; then
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# this is because we can't have a small spare added to native array
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test7
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test7a
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fi
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test8
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test9
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if [ "$platform" != "1.2" ]; then
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# we can't create two subarrays on the same devices for native (without
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# partitions)
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test10
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fi
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test11
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test12
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test13
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test14
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}
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try_failed()
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{
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platform="1.2"
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scan="no"
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test5
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test9
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test13
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scan="yes"
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test9
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}
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#try_failed
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for scan in no yes; do
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for platform in 1.2 imsm; do
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try
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done
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done
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[ $listfailed == "no" ] || [ -z $flist ] || echo -e "\n FAILED TESTS: $flist"
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#cat $targetdir/log
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rm -f /dev/disk/by-path/loop*
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@ -0,0 +1,9 @@
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setup_env() {
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export IMSM_DEVNAME_AS_SERIAL=1
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export IMSM_TEST_OROM=1
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}
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reset_env() {
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unset IMSM_DEVNAME_AS_SERIAL
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unset IMSM_TEST_OROM
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}
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@ -0,0 +1,192 @@
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# set of functions used to test policy framework with assemble, incremental and Monitor
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set +e
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#create links to be able to use domains
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for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
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do
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eval ln -s \$dev$d /dev/disk/by-path/loop$d
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eval d$d="loop$d"
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eval mdadm --zero-superblock \$dev$d
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done
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devices="/dev/loop[0-9] /dev/loop10 /dev/loop11 /dev/loop12"
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# on failure print out few things before exit
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# uses testdsc and platform global variables
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err(){
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echo >&2 "ERROR: $*"
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cat /etc/mdadm.conf >&2 || true
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cat /proc/mdstat >&2
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[ -z "$testdsc" ] || { echo >&2 $platform: $testdsc "- failed"; }
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ps -e | grep mdadm >&2 || true
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if [ $listfailed == "yes" ]; then
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[ "$verbose" != "yes" ] || echo ---FAILED---
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flist="$flist \n $platform $testdsc"
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failed=1
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else
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exit 1
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fi
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}
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# set test description
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dsc(){
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failed=0
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testdsc="$*"
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[ "$verbose" != "yes" ] || echo $testdsc
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}
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killmonitor(){
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[ -z "$monitorpid" ] || { kill -9 $monitorpid; unset monitorpid; }
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}
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tidyup(){
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killmonitor
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mdadm -Ss || true
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mdadm -Ss
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mdadm --zero-superblock $devices || true
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udevadm settle
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rm -f /etc/mdadm.conf
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}
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trap tidyup 0 1 2 3 15
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# create a RAID 1 array or container and subarray(s) on 2 disks
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# if platform not specified imsm is used
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# if subsize is given, first subarray is created with given size and second one on remaining space
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ccv(){
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# mddevno used to name created array
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local mddevno="$1"
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# numbers of devices to be used in array
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local devno1="$2"
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local devno2="$3"
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local platform="$4"
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local subsize="$5"
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local onearray="$6"
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[ -n "$platform" ] || platform="imsm"
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if [ "$platform" == "imsm" ] || [ "$platform" == "ddf" ]; then
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eval mdadm -CR /dev/md/con$mddevno -e $platform -n 2 \$dev$devno1 \$dev$devno2
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udevadm settle
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[ -z "$subsize" ] || eval mdadm -CR sub$mddevno"_" -l 1 -n 2 /dev/md/con$mddevno -z $subsize
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[ -n "$onearray" ] || eval mdadm -CR sub$mddevno -l 1 -n 2 /dev/md/con$mddevno
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else
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[ -z "$subsize" ] || sizepar="-z $subsize"
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eval mdadm -CR arr$mddevno -e $platform -l 1 -n 2 \$dev$devno1 \$dev$devno2 $sizepar
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unset sizepar
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fi
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}
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# get container and subarray using given device from mdstat
|
||||
# sets global variables c and v
|
||||
getarray(){
|
||||
local devname=`basename $1`
|
||||
local platformtype=`grep -A 1 $devname /proc/mdstat | awk '/active/ {getline; print $4 }' | awk -F ":" 'END {print $1}'`
|
||||
c=`grep "inactive.*$devname" /proc/mdstat | awk -F " " '{print $1}'`
|
||||
v=`grep " active.*$devname" /proc/mdstat | awk -F " " '{print $1}'`
|
||||
[ "$platformtype" == "external" ] || c=$v
|
||||
}
|
||||
|
||||
# check if given device belongs to any container and subarray
|
||||
# if $2 given then only container checked
|
||||
chkarray(){
|
||||
local devname="$1"
|
||||
local subcheck="$2"
|
||||
getarray $devname
|
||||
[ -n "$c" ] || err "$devname not in any container"
|
||||
[ -n "$subcheck" ] || [ -n "$v" ] || err " $devname not in subarray"
|
||||
}
|
||||
|
||||
# test if two devices in the same container/subarray
|
||||
# $1 $2 - devices
|
||||
# $3 don't check subarrays, only containers
|
||||
tst(){
|
||||
local device1=`basename $1`
|
||||
local device2=`basename $2`
|
||||
local subcheck="$3"
|
||||
chkarray $device1 $subcheck
|
||||
local x="$c"
|
||||
local y="$v"
|
||||
chkarray $device2 $subcheck
|
||||
[ "$c" == "$x" ] || err "$device1 and $device2 not in the same container"
|
||||
[ -n "$subcheck" ] || [ "$v" == "$y" ] || err "$device1 and $device2 not in the same subarray"
|
||||
}
|
||||
|
||||
# same as tst, just use numbers of devices instead of names as parameters
|
||||
dtst(){
|
||||
local devno1="$1"
|
||||
local devno2="$2"
|
||||
local subcheck="$3"
|
||||
eval tst \$dev$devno1 \$dev$devno2 $subcheck
|
||||
}
|
||||
|
||||
# create containers/subarrays, check if created properly,
|
||||
# set global variables c$mddevno v$mddevno, usually c0=md127, v0=md126 , etc.
|
||||
setupdevs(){
|
||||
local mddevno="$1"
|
||||
local devno1="$2"
|
||||
local devno2="$3"
|
||||
local p="$4"
|
||||
local subsize="$5"
|
||||
local onearray="$6"
|
||||
[ -n "$p" ] || p=$platform
|
||||
ccv $mddevno $devno1 $devno2 $p $subsize $onearray
|
||||
dtst $devno1 $devno2
|
||||
eval c$mddevno=\"$c\"
|
||||
eval v$mddevno=\"$v\"
|
||||
}
|
||||
|
||||
# check if given spare in container
|
||||
# usage: chkspare container spare [n] (n if spare shouldn't be in container)
|
||||
chkspare(){
|
||||
local container=`basename $1`
|
||||
local spare=$2
|
||||
local expected=$3
|
||||
getarray $spare
|
||||
[ -n "$expected" ] || expected="y"
|
||||
if [ "$expected" == "y" ]; then
|
||||
[ "$c" == "$container" ] || err "$spare not in container $container"
|
||||
else
|
||||
[ "$c" != "$container" ] || err "$spare in container $container"
|
||||
fi
|
||||
}
|
||||
|
||||
#check if spare was moved from one container to another
|
||||
# args: from_container to_container spare [yn]
|
||||
# n when spare should remain in original container
|
||||
chksparemoved(){
|
||||
sleep $sleeptime
|
||||
from_container="$1"
|
||||
to_container="$2"
|
||||
spare="$3"
|
||||
expected="$4"
|
||||
[ -n "$expected" ] || expected="y"
|
||||
notexpected="n"; [ "$expected" == "y" ] || notexpected="y"
|
||||
chkspare $from_container $spare $notexpected
|
||||
[ $failed -eq 1 ] || chkspare $to_container $spare $expected
|
||||
}
|
||||
|
||||
|
||||
# for domains defined through policy
|
||||
createconfig(){
|
||||
conf=/etc/mdadm.conf
|
||||
if [ "$1" != "a" ]; then
|
||||
{
|
||||
domain=$1
|
||||
metadata=$2
|
||||
action=$3
|
||||
while [ -n "$4" ]; do
|
||||
echo="policy domain=$domain"
|
||||
[ "$metadata" == "noplatform" ] || echo="$echo metadata=$metadata"
|
||||
echo="$echo path=loop$4"
|
||||
echo="$echo action=$action"
|
||||
echo "$echo"
|
||||
shift
|
||||
done
|
||||
} >> $conf
|
||||
else
|
||||
{
|
||||
echo "DEVICES $devlist /dev/md1*"
|
||||
mdadm -Ebs
|
||||
} > $conf
|
||||
fi
|
||||
#[ "$verbose" != "yes" ] || cat /etc/mdadm.conf | grep policy || true
|
||||
}
|
||||
Loading…
Reference in New Issue