MDRAID Common Commands

Creating an array

Then you need to create a configuration file mdadm.conf

And write the changes to the boot image:

Work with array

Mark a disk as failed

The disk in the array can be conditionally failed, the key –fail (-f):

Remove a failed disk

The failed disk can be removed with the –remove (-r) switch:

Adding a new drive

You can add a new disk to the array using the –add (-a) and –re-add options:

Build an existing array

You can assemble an existing array using mdadm –assemble. As an additional argument, it is indicated whether the device should be scanned, and if not, which devices should be collected.

Check array status and get information and array

Array Status:

Array Information:

Information about the array element:

Integrity check

We oversaw the check

see the result

Kill array