Without RAID-0, I usually check bad sectors using this command:
fsck -yvckfC -E fragcheck /dev/sdX
How to check bad sectors when the harddisk was using RAID-0? should I run it for each drive? /dev/sdb
and /dev/sdc
or using information from /proc/mdstat
?
# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1]
md1 : active raid0 sda2[0] sdb2[1]
7808789888 blocks 64k chunks
md0 : active raid1 sdb1[1] sda1[0]
524224 blocks [2/2] [UU]
unused devices: <none>