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Re: cgd + zfs

On Sun, 18 Jul 2021 at 09:29, Pouya Tafti <> wrote:
> > Thanks!  This is an interesting suggestion.  I'm
> > wondering though, wouldn't having a two-drive mirror create
> > an assymmetry in how many failed drives you could tolerate?
> > If you lost both mirrors the whole pool would be gone (I
> > assume disks of the same origin may have correlated
> > failures).
> >
> > But as you say, the 6x RAIDZ2 is worth considering and
> > it may be smarter not to use all the disks. ;)

On Mon, Jul 19, 2021 at 10:16:15AM +0100, David Brownlee wrote:
> Well the 6x RAIDZ2 gives the same usable space, leaving the simple
> mirror for some additional scratch space for less critical data :)

Ah, that indeed makes sense.  I originally misunderstood
and thought you were suggesting a single pool made of a
RAIDZ2 and a mirror VDEV.  I think I'll follow your
approach with a 6x RAIDZ2. If I need more space later on I
can always add another disk array.

Thanks again for the suggestion! :)

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