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mdadm: added raid 5

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tiyn 2023-03-22 15:50:22 +01:00
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wiki/linux/mdadm.md
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# MDADM # MDADM
`mdadm` is a utility to create and manage raid devices. MDADM is a utility to create and manage raid devices.
For the rest of this entry `n` is the number of drives inside a raid device. For the rest of this entry `n` is the number of drives inside a raid device.
## Usage ## Usage
@ -50,7 +50,7 @@ Note that mostly raid 1 devices consisting of 2 drives should be converted to
`mdadm /dev/md0 --add /dev/sda1` `mdadm /dev/md0 --add /dev/sda1`
- Finally grow the active drive number to your needs (in this example 4) - Finally grow the active drive number to your needs (in this example 4)
`mdadm --grow /dev/md0 -n4` `mdadm --grow /dev/md0 -n4`
- `mdadm` now reshapes the raid. You can monitor it by running - MDADM now reshapes the raid. You can monitor it by running
`watch cat /proc/mdstat` `watch cat /proc/mdstat`
### Raid 5 ### Raid 5