Rich Freeman on 22 Aug 2016 09:23:02 -0700

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On Mon, Aug 22, 2016 at 12:13 PM, Keith C. Perry
<> wrote:
> Just to chime in a bit.  I'm sort of agnostic on the RAID 5 or 6 thing.  If you can do RAID 6, do it so you don't have the heavy rebuild penalty- if you have a spinning disk you might has well put it to use.

Agree, main reason to have a hot spare would be if you had multiple
RAID5s and wanted to share a hot spare across them, which might save
you a few disks.

> ZFS has been mentioned but keep in mind that that really only shines if you have ECC memory

Everybody says this, but I've yet to see any rational argument behind
it.  Yes, if your RAM is corrupted, your disk will be corrupted.  This
is true of every filesystem out there.  I don't see how it is any more
or less true for ZFS in particular.  Your data isn't safer on some
other filesystem; the same failure modes that would corrupt ZFS will
corrupt anything I would think.

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