mirror of
https://github.com/ivuorinen/cheatsheet-tldr.git
synced 2026-01-26 11:33:59 +00:00
38 lines
710 B
Plaintext
38 lines
710 B
Plaintext
---
|
|
syntax: markdown
|
|
tags: [tldr, linux]
|
|
source: https://github.com/tldr-pages/tldr.git
|
|
---
|
|
# mdadm
|
|
|
|
> RAID management utility.
|
|
> More information: <https://manned.org/mdadm>.
|
|
|
|
- Create array:
|
|
|
|
`sudo mdadm --create {{/dev/md/MyRAID}} --level {{raid_level}} --raid-devices {{number_of_disks}} {{/dev/sdXN}}`
|
|
|
|
- Stop array:
|
|
|
|
`sudo mdadm --stop {{/dev/md0}}`
|
|
|
|
- Mark disk as failed:
|
|
|
|
`sudo mdadm --fail {{/dev/md0}} {{/dev/sdXN}}`
|
|
|
|
- Remove disk:
|
|
|
|
`sudo mdadm --remove {{/dev/md0}} {{/dev/sdXN}}`
|
|
|
|
- Add disk to array:
|
|
|
|
`sudo mdadm --assemble {{/dev/md0}} {{/dev/sdXN}}`
|
|
|
|
- Show RAID info:
|
|
|
|
`sudo mdadm --detail {{/dev/md0}}`
|
|
|
|
- Reset disk by deleting RAID metadata:
|
|
|
|
`sudo mdadm --zero-superblock {{/dev/sdXN}}`
|