----- Opprinnelig melding -----
> On Mon, Jul 30, 2012 at 9:38 AM, Roy Sigurd Karlsbakk
> <r...@karlsbakk.net> wrote:
> >> > Also keep in mind that if you have an SLOG (ZIL on a separate
> >> > device), and then lose this SLOG (disk crash etc), you will
> >> > probably
> >> > lose the pool. So if you want/need SLOG, you probably want two of
> >> > them in a mirror…
> >>
> >> That's only true on older versions of ZFS. ZFSv19 (or 20?) includes
> >> the ability to import a pool with a failed/missing log device. You
> >> lose any data that is in the log and not in the pool, but the pool
> >> is
> >> importable.
> >
> > Are you sure? I booted this v28 pool a couple of months back, and
> > found it didn't recognize its pool, apparently because of a missing
> > SLOG. It turned out the cache shelf was disconnected, after
> > re-connecting it, things worked as planned. I didn't try to force a
> > new import, though, but it didn't boot up normally, and told me it
> > couldn't import its pool due to lack of SLOG devices.
> Positive. :) I tested it with ZFSv28 on FreeBSD 9-STABLE a month or
> two ago. See the updated man page for zpool, especially the bit about
> "import -m". :)

On 151a2, man page just says 'use this or that mountpoint' with import -m, but 
the fact was zpool refused to import the pool at boot when 2 SLOG devices 
(mirrored) and 10 L2ARC devices were offline. Should OI/Illumos be able to boot 
cleanly without manual action with the SLOG devices gone?

Vennlige hilsener / Best regards

Roy Sigurd Karlsbakk
(+47) 98013356
GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt
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