I am building a NAS in RAID 1 (Mirror) mode. Should I buy 2 of the same drive from the same manufacturer? or does it not matter so much?

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Raid is not a backup…

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I’m aware, but raid 1 is mirroring which is redundancy, a jbod offers no redundancy so a backup would be even more crucial to protecting from data loss. Also i never said raid is a backup.

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JBOD via mergerfs and snapraid on top for parity is a possible solution.

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Any performance hit for that config, I’ve never heard of that setup before.

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