----- 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 -- Roy Sigurd Karlsbakk (+47) 98013356 r...@karlsbakk.net http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
