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|
# create a v-1 raid5 array and assemble in various ways
mdadm -CR -e1 --name one $md1 -l5 -n3 -x2 $dev0 $dev1 $dev2 $dev3 $dev4
tst="check raid5 ;testdev $md1 2 $mdsize1 512 ; mdadm -S $md1"
uuid=`mdadm -Db $md1 | sed 's/.*UUID=//'`
check wait
eval $tst
mdadm -A $md1 $dev0 $dev1 $dev2
mdadm $md1 --add $dev3 $dev4
check spares 2
eval $tst
mdadm -A $md1 -u $uuid $devlist
check spares 2
eval $tst
mdadm -A $md1 --name one $devlist
check spares 2
eval $tst
conf=$targetdir/mdadm.conf
{
echo DEVICE $devlist
echo array $md1 UUID=$uuid
} > $conf
mdadm -As -c $conf $md1
eval $tst
{
echo DEVICE $devlist
echo array $md1 name=one
} > $conf
mdadm -As -c $conf
eval $tst
{
echo DEVICE $devlist
echo array $md1 devices=$dev0,$dev1,$dev2,$dev3,$dev4
} > $conf
mdadm -As -c $conf
echo "DEVICE $devlist" > $conf
mdadm -Db $md1 >> $conf
eval $tst
mdadm --assemble --scan --config=$conf $md1
eval $tst
echo PING >&2
echo " metadata=1.0 devices=$dev0,$dev1,$dev2,$dev3,$dev4" >> $conf
mdadm --assemble --scan --config=$conf $md1
eval $tst
### Now with a missing device
# We don't want the recovery to complete while we are
# messing about here.
echo 100 > /proc/sys/dev/raid/speed_limit_max
echo 100 > /proc/sys/dev/raid/speed_limit_min
mdadm -AR $md1 $dev0 $dev2 $dev3 $dev4 #
check state U_U
check spares 1
eval $tst
mdadm -A $md1 -u $uuid $devlist
check state U_U
eval $tst
mdadm -A $md1 --name=one $devlist
check state U_U
check spares 1
eval $tst
conf=$targetdir/mdadm.conf
{
echo DEVICE $devlist
echo array $md1 UUID=$uuid
} > $conf
mdadm -As -c $conf $md1
check state U_U
eval $tst
{
echo DEVICE $devlist
echo array $md1 name=one
} > $conf
mdadm -As -c $conf
check state U_U
eval $tst
{
echo DEVICE $devlist
echo array $md1 devices=$dev0,$dev1,$dev2
} > $conf
mdadm -As -c $conf
echo "DEVICE $devlist" > $conf
mdadm -Db $md1 >> $conf
check state U_U
eval $tst
mdadm --assemble --scan --config=$conf $md1
check state U_U
eval $tst
echo " metadata=1.0 devices=$dev0,$dev1,$dev2" >> $conf
mdadm --assemble --scan --config=$conf $md1
check state U_U
eval $tst
# And now assemble with -I
mdadm -Ss
mdadm -I -c $conf $dev0
mdadm -I -c $conf $dev1
mdadm -I -c $conf $dev2
eval $tst
echo 2000 > /proc/sys/dev/raid/speed_limit_max
echo 1000 > /proc/sys/dev/raid/speed_limit_min
|
