Date: Mon, 29 Nov 2010 20:52:46 -0500 From: Dan Langille <dan@langille.org> To: Terry Kennedy <TERRY@tmk.com> Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: Re: ZFS panic after replacing log device Message-ID: <4CF458EE.7030109@langille.org> In-Reply-To: <01NUC6V4LBAQ00BNN4@tmk.com> References: <01NUB1F8POL000BNN4@tmk.com> <01NUB3IOMZJW00BNN4@tmk.com> <01NUC6V4LBAQ00BNN4@tmk.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 11/16/2010 8:41 PM, Terry Kennedy wrote: >> I would say it is definitely very odd that writes are a problem. Sounds >> like it might be a hardware problem. Is it possible to export the pool, >> remove the ZIL and re-import it? I myself would be pretty nervous trying >> that, but it would help isolate the problem? If you can risk it. > > I think it is unlikely to be a hardware problem. While I haven't run any > destructive testing on the ZFS pool, the fact that it can be read without > error, combined with ECC throughout the system and the panic always happen- > ing on the first write, makes me think that it is a software issue in ZFS. > > When I do: > > zpool export data; zpool remove data da0 > > I get a "No such pool: data". I then re-imported the pool and did: > > zpool offline data da0; zpool export data; zpool import data > > After doing that, I can write to the pool without a panic. But once I > online the log device and do any writes, I get the panic again. > > As I mentioned, I have this data replicated elsewere, so I can exper- > iment with the pool if it will help track down this issue. Any more news on this? -- Dan Langille - http://langille.org/
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4CF458EE.7030109>