Re: [zfs-discuss] Scrub found error in metadata:0x0, is that always fatal? No checks um errors now...

2011-12-17 Thread Jim Klimov
Another update to my post: it took a week to try running some ZDB walks on my pool, but they coredumped after a while. However, I've also noticed some clues in my FMADM outputs dating from 'zpool scrub' attempts. There are several sets (one set per scrub) of similar error reports, differing only

Re: [zfs-discuss] Scrub found error in metadata:0x0, is that always fatal? No checks um errors now...

2011-12-08 Thread Nigel W
On Mon, Dec 5, 2011 at 17:46, Jim Klimov wrote: > So, in contrast with Nigel's optimistic theory that > metadata is anyway extra-redundant and should be > easily fixable, it seems that I do still have the > problem. It does not show itself in practice as of > yet, but is found by scrub ;) Hmm. In

Re: [zfs-discuss] Scrub found error in metadata:0x0, is that always fatal? No checks um errors now...

2011-12-05 Thread Jim Klimov
Well, I have an intermediate data point. One scrub run completed without finding any newer errors (beside one at the pool-level and two and the raidz2-level). "Zpool clear" alone did not fix it, meaning that the pool:metadata:<0x0> was still reported as problematic, but a second attempt at "zpool

Re: [zfs-discuss] Scrub found error in metadata:0x0, is that always fatal? No checks um errors now...

2011-12-02 Thread Nigel W
On Fri, Dec 2, 2011 at 02:58, Jim Klimov wrote: > My question still stands: is it possible to recover > from this error or somehow safely ignore it? ;) > I mean, without backing up data and recreating the > pool? > > If the problem is in metadata but presumably the > pool still works, then this pa

Re: [zfs-discuss] Scrub found error in metadata:0x0, is that always fatal? No checks um errors now...

2011-12-02 Thread Jim Klimov
2011-12-02 18:25, Steve Gonczi пишет: Hi Jim, Try to run a "zdb -b poolname" .. This should report any leaked or double allocated blocks. (It may or may not run, it tends to run out of memory and crash on large datasets) I would be curious what zdb reports, and whether you are able to run it

Re: [zfs-discuss] Scrub found error in metadata:0x0, is that always fatal? No checks um errors now...

2011-12-02 Thread Jim Klimov
An intermediate update to my recent post: 2011-11-30 21:01, Jim Klimov wrote: Hello experts, I've finally upgraded my troublesome oi-148a home storage box to oi-151a about a week ago (using pkg update method from the wiki page - i'm not certain if that repository is fixed at release version o

[zfs-discuss] Scrub found error in metadata:0x0, is that always fatal? No checks um errors now...

2011-11-30 Thread Jim Klimov
Hello experts, I've finally upgraded my troublesome oi-148a home storage box to oi-151a about a week ago (using pkg update method from the wiki page - i'm not certain if that repository is fixed at release version or is a sliding "current" one). After the OS upgrade i scrubbed my main pool - 6