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mdadm: add sudo, add --zero-superblock example (#8618)

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th0ughtcrime 2022-10-02 23:25:35 +03:00 • committed by GitHub
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pages/linux/mdadm.md
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@ -5,24 +5,28 @@
- Create array:
`mdadm --create {{/dev/md/MyRAID}} --level {{raid_level}} --raid-devices {{number_of_disks}} {{/dev/sdXN}}`
`sudo mdadm --create {{/dev/md/MyRAID}} --level {{raid_level}} --raid-devices {{number_of_disks}} {{/dev/sdXN}}`
- Stop array:
`mdadm --stop {{/dev/md0}}`
`sudo mdadm --stop {{/dev/md0}}`
- Mark disk as failed:
`mdadm --fail {{/dev/md0}} {{/dev/sdXN}}`
`sudo mdadm --fail {{/dev/md0}} {{/dev/sdXN}}`
- Remove disk:
`mdadm --remove {{/dev/md0}} {{/dev/sdXN}}`
`sudo mdadm --remove {{/dev/md0}} {{/dev/sdXN}}`
- Add disk to array:
`mdadm --assemble {{/dev/md0}} {{/dev/sdXN}}`
`sudo mdadm --assemble {{/dev/md0}} {{/dev/sdXN}}`
- Show RAID info:
`mdadm --detail {{/dev/md0}}`
`sudo mdadm --detail {{/dev/md0}}`
- Reset disk by deleting RAID metadata:
`sudo mdadm --zero-superblock {{/dev/sdXN}}`