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mdadm [2016/04/29 12:24] steve |
mdadm [2016/04/29 12:32] steve |
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| RAID1 is for mirroring data across disks. If one drive fails, the data is still preserved. | RAID1 is for mirroring data across disks. If one drive fails, the data is still preserved. | ||
| - | |||
| - | Use fdisk to partition the new drives, and set them to type ''fd'' or ''Linux raid autodetect''. | ||
| - | |||
| - | <code> | ||
| - | fdisk /dev/sdb | ||
| - | fdisk /dev/sdc | ||
| - | </code> | ||
| Create the RAID1 array using the two harddrives: | Create the RAID1 array using the two harddrives: | ||
| Line 181: | Line 174: | ||
| </code> | </code> | ||
| + | Shut down all arrays that can be shut down; not currently in use: | ||
| + | <code> | ||
| + | mdadm --stop --scan | ||
| + | </code> | ||
| + | |||
| + | Check devices that have RAID superblocks and print out results: | ||
| + | |||
| + | <code> | ||
| + | mdadm --examine --brief --scan --config=partitions | ||
| + | </code> | ||
