this post was submitted on 30 Nov 2023
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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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[–] [email protected] 9 points 11 months ago* (last edited 11 months ago) (1 children)

You absolutely can. Of course you'll only be able to use as much capacity as the smallest disk. Sometime ago I was running a secondary mirror with one 8TB disk and 3 disks pretending to be the other 8TB disk. They were 4TB, 3TB and a 1TB - trivial with LVM. Worked without a hitch for a few years till I replaced the three gnomes in a trench coat with another 8TB disk. Obviously that's suboptimal but it works fine under certain loads.

[–] [email protected] 5 points 11 months ago (1 children)
[–] [email protected] 5 points 11 months ago* (last edited 11 months ago) (2 children)

Gotta treat for ya:

The three gnomes in a trench coat are the three from the left.

[–] [email protected] 3 points 11 months ago (1 children)

pic from a google datacenter?

[–] [email protected] 1 points 11 months ago

Same principle.

[–] [email protected] 2 points 11 months ago (1 children)

Bonus:

This is how you fix intermittent disconnects under heavy load.

[–] [email protected] 3 points 11 months ago