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Actually, does anybody know whether it is recommended to use different makes (of an identical size) in a SATA RAID configuration?


Depends on how paranoid you're feeling. The theory is that a batch of drives bought from the same manufacturer at the same time might have a flaw that causes them all to die at the same time.

However, unless you're really unlucky, they're not all going to die at exactly the same time. You just have to hope that you've got a hot spare available before the next one dies.

Personally, all 4 drives in my RAID array are Seagate Baraccuda SATA disks, all bought at the same time, from the same place. Hopefully they won't all die at the same time.

I'm not too bothered, though -- I have got fairly recent backups.
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-- roger