Software RAID with mdadm utility

Here are some useful commands to manage a GNU/Linux RAID with the help of mdadm utility.

Intro

Configuration

Commands

Reassemble RAID from a LiveCD or after reinstall

Populate /etc/mdadm/mdadm.conf file

Remove device permanently

Check RAID status

Run data scrubbing to check for and fix errors

Modify rebuild speed limits

Print details of one or more md devices

Return status :

How To

Growing a RAID5 with the add of one disk

Growing an encrypted RAID (convert RAID1 to RAID5)


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