blog:replace_faulty_disk_in_linux_md
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Replace faulty disk in linux md
Replacing a faulty drive in an mdadm managed RAID array.
- Use 'mdadm –manage /dev/md0 -r /dev/sdd' to remove the drive that was marked as faulty from the array.
- Power down and replace the drive with a good drive.
- Power up and set the partition table on the new drive to match those of the other drives in the array. Here we used 'sfdisk -d /dev/sda | sfdisk /dev/sdd'.
- Add the proper partition on the new drive into the array, 'mdadm –manage /dev/md0 -a /dev/sdd2'
- Sit back and wait for the recovery to happen, you can 'watch cat /proc/mdstat' to watch its progress; you should see something like:
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blog/replace_faulty_disk_in_linux_md.1315483122.txt.gz · Last modified: 2011-09-08 13:58 by brb
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