# create a raid5 array and assemble it in various ways, # including with missing devices. mdadm -CR -e 0.90 $md1 -l5 -n3 $dev0 $dev1 $dev2 tst="check raid5 ;testdev $md1 2 $mdsize0 512 ; mdadm -S $md1" uuid=`mdadm -Db $md1 | sed 's/.*UUID=//'` check wait eval $tst mdadm -A $md1 $dev0 $dev1 $dev2 eval $tst mdadm -A $md1 -u $uuid $devlist eval $tst mdadm -A $md1 -m 1 $devlist 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 super-minor=1 } > $conf mdadm -As -c $conf 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 eval $tst mdadm --assemble --scan --config=$conf $md1 eval $tst echo " metadata=0.90 devices=$dev0,$dev1,$dev2" >> $conf mdadm --assemble --scan --config=$conf $md1 eval $tst ### Now with a missing device mdadm -AR $md1 $dev0 $dev2 # check state U_U eval $tst mdadm -A $md1 -u $uuid $devlist check state U_U eval $tst mdadm -A $md1 -m 1 $devlist check state U_U 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 super-minor=1 } > $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 $tst echo " metadata=0.90 devices=$dev0,$dev1,$dev2" >> $conf mdadm --assemble --scan --config=$conf $md1 check state U_U eval $tst