Replacing a failed drive in an md raid1/raid10: Difference between revisions
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*Check if the kernel already removed the faild drive from the arrays: <code># mdadm --detail /dev/md0</code> | *Check if the kernel already removed the faild drive from the arrays: <code># mdadm --detail /dev/md0</code> | ||
**If not, remove | **If not, remove it by hand: <code># mdadm /dev/md0 --remove /dev/sda1</code> | ||
**If in an array a partition of failed drive is not marked as | **If in an array a partition of the failed drive is not marked as faulty, before removing run <code># mdadm --manage /dev/md1 --fail /dev/sda2</code> | ||
*Insert a new physical disk | |||
*Copy the partition table to the new drive from its mirror: <code>sgdisk -R /dev/sda /dev/sdb</code> (from <code>sdb</code> to <code>sda</code>) | |||
[[Category: Linux]] | [[Category: Linux]] | ||
Revision as of 20:09, 2 July 2015
- Check if the kernel already removed the faild drive from the arrays:
# mdadm --detail /dev/md0- If not, remove it by hand:
# mdadm /dev/md0 --remove /dev/sda1 - If in an array a partition of the failed drive is not marked as faulty, before removing run
# mdadm --manage /dev/md1 --fail /dev/sda2
- If not, remove it by hand:
- Insert a new physical disk
- Copy the partition table to the new drive from its mirror:
sgdisk -R /dev/sda /dev/sdb(fromsdbtosda)