Re: WAPBL and replaying log

["Sarton O'Brien" <bsd-xen%roguewrt.org@localhost>]

On Friday 10 October 2008 14:37:13 Sarton O'Brien wrote:
> On Friday 10 October 2008 14:19:38 Sarton O'Brien wrote:
> > On Friday 10 October 2008 14:00:30 Sarton O'Brien wrote:
> > > I've been using wabl for a while and so far have had a good experience.
> > >
> > > Today my xen server crashed and upon reboot all domu started fine
> > > except one which is sitting on 'replaying log to disk'.
> > >
> > > Whenever parity is being rewritten I expect some delays but the domu
> > > boot process seems to be hung. Attaching the image to a vnd and
> > > attempting fsck result in the same thing, it just sits on replaying
> > > log.
> > >
> > > Attempting to mount results in a process I cannot kill.
> > >
> > > Is it possible, due to the size of the image, that the replay may just
> > > take a while? From experience that doesn't seem right.
> > >
> > > It almost seems like I have some kind of corruption that wabl doesn't
> > > seem to be able to address.
> > >
> > > Any thoughts? Worst case, I'd like to be able to retrieve the data but
> > > at the moment I can't fsck or mount.
> > >
> > > Thanks for any help.
> >
> > That was obviously meant to be WAPBL ...
>
> Looking at iostat while running fsck, it appears that it may in-fact be
> doing something ... just very slowly.
>
> I'll keep my fingers crossed.

As I'm not sure as to whether this will work, it's been sitting on replaying 
log for some time now, would using:

tunefs -l 0 /dev/vnd0a

Allow fsck to revert to checking with no log? or is a successful mount 
required?

I thought I'd ask before completely destroying the image :)

Sarton