Storage strategy. RAID 1 or 5? Backup? Both?

Started Oct 28, 2012 | Questions thread
kelpdiver Veteran Member • Posts: 3,501
Re: RAID cannot replace "real" backup

Osvaldo Cristo wrote:

RAID cannot replace "real" backup as it can provide only fault tolerance. It will not provide you any kind of protection for software or operator error.

Though snapshots do not actually require RAID, most (acceptable) RAID solutions offer this capability.  ZFS lets me create a snapshot in seconds to protect against software/operator error, and this is trivially scripted to happen on a automated basis.

If something gets deleted and I later have regrets, I can retrieve it instantly.

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