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Technically, disconnected RAID1 (or RAID10 multiple) is a backup. Recovery is a bit funny with you marking all remaining drives as faulty then plugging backup
by AstralStorm 7y ago
Technically, disconnected RAID1 (or RAID10 multiple) is a backup.
Recovery is a bit funny with you marking all remaining drives as faulty then plugging backup for resilvering. (Or you can use it directly, less safely, as a normal separate array.)
Must be disconnected and unpowered, yet regularly checked. Not super useful for extreme long term storage but neither are tapes.
- zepearl 7y ago> Technically, disconnected RAID1 (or RAID10 multiple) is a backup Mmhh, sounds weird - what do you mean with "disconnected RAID1"?
- bouncycastle 7y agoNot familiar with the "disconnected" technique - does this mean you disconnect & reconnect your drive periodically? Sounds like a misuse of RAID features. What could possibly go wong? Eg. Reconnect the drive accidentally forgetting to mark others as bad and bye bye "backup"? Also, RAID controllers die sometimes. It's not pretty when that happens, which means you really need a backup of the whole array anyways. So technically RAID is not a backup because you are still not protected from that type of failure.