Re: [OSR-devel] iSCSI Root

[Marc G. <gr...@at...>]

On Thursday 11 October 2007 18:50:10 Gordan Bobic wrote:
> On Thu, 11 Oct 2007, Marc Grimme wrote:
> >> It throws up a worrying error when it boots:
> >> GFS: fsid=cluster:root.0: warning: assertion
> >> "gfs_glock_is_locked_by_me(ip->i_gl)" failed
> >> GFS: fsid=cluster:root.0 function = gfs_readpage
> >> GFS: fsid=cluster:root.0 file =
> >> /builddir/build/BUILD/gfs-kmod-0.1.16/_kmod_build_/src/gfs/ops_address.c
> >>, line 279
> >> GFS: fsid=cluster:root.0: time = 1192119131
> >>
> >> I wonder if this may be caused by a file system perhaps not having been
> >> cleanly unmounted on a previous try while I was building it...
> >
> > Perhaps just fschk it when you're in the initrd.
>
> Yup, just did. Some minor things were broken with the fs metadata. But
> when I reboot, I still get a similar message when HALd loads. I wonder if
> I can safely switch that off - assuming that's causing it...
You could also file it to the gfs list and see what they'll tell you. It seems 
to me I've seen this message also.
>
> Now, in theory, I should be able to bring up another node on the same file
> system. All I would need to do is clone the /boot partition to the other
> box, and it should just come up.
Why cloning it and not using the same. Isn't that possible. We are always 
doing it this way.
>
> What do I need to do to achieve this, and can it all be done with the one
> node that is already running? I'm assuming that I'll have to do something
> like:
>
> mount --bind /cluster/cdsl/4/ /cdsl.local/
exactly if nodeid is 4. But again the initrd should do this job automatically.
>
> As far as unsharing things under /var, I _think_ only /var/lock actually
> needs to be unshared. Can I do this with the running image with:
>
> com-mkcdsl -r / -a /var/lock
you can skip the -r/ it is default.
How about /var/run, /var/log, /var/cache, /var/tmp, /var/spool. All of these 
normally need to be hostdependent.
>
> ?
>
> Thanks.
>
> Gordan
>
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Marc.

-- 
Gruss / Regards,

Marc Grimme
Phone: +49-89 452 3538-14
http://www.atix.de/               http://www.open-sharedroot.org/

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