[Ocfs2-users] ocfs2_delete_inode kernel bug

[Andre Nathan]

Hello Sunil

I have created a simpler environment for testing, and managed to
reproduce this, so I opened a new bug as you suggested:

  http://oss.oracle.com/bugzilla/show_bug.cgi?id=1297

If there's any other info I can provide, please advise.

Thanks,
Andre


On Tue, 2010-10-26 at 17:17 -0700, Sunil Mushran wrote:
> On 10/26/2010 10:39 AM, Andre Nathan wrote:
> > On Tue, 2010-10-26 at 10:14 -0700, Sunil Mushran wrote:
> >> So the backup server is not part of the cluster but yet reading the
> >> same block device. As long as it is only reading, it should not affect
> >> the two nodes, but I will not trust the backup.
> >>
> >> The error mentions the inode#. Has it changed?
> > Hmm, interesting. I went through the logs and the -17 error happens
> > multiple times, but only three inodes are mentioned. Here are the
> > counts:
> >
> >        2 ERROR: Inode 16660075
> >       42 ERROR: Inode 16666654
> >       46 ERROR: Inode 8528370
> >
> > I checked the logs I had submitted previously and also only four inode
> > numbers show up, but they're different than the ones in this log.
> >
> >       53 ERROR: Inode 16597043
> >       53 ERROR: Inode 16597837
> >        6 ERROR: Inode 16656380
> >      198 ERROR: Inode 16664401
> >
> >> Also, is this the mainline kernel?
> > No, it's Ubuntu 10.10's kernel.
> 
> That means the fsck fixed the older orphaned inodes. That it is
> happening with 10.10 is troubling. Are you sure all nodes are on 10.10?
> 
> Also, do the errors match the ones in this bz.
> http://oss.oracle.com/bugzilla/show_bug.cgi?id=1215
> 
> If so, file a new bz. Mention #1215. But don't reopen the older one.
> One problem is that 10.10 ships an older ocfs2-tools. debugfs.ocfs2
> 1.4.4 prints orphaned_slot in the inode. So we cannot gather info
> easily.
> 
> One solution is for you to attach the raw blocks of the 4 inodes.
> 
> For inode#16664401, the command would be:
> # dd if=/dev/sdX of=/tmp/blk16664401 bs=4K skip=16664401 count=1
> Attach /tmp/blk16664401.
> 
> Sunil
> 
> 
> 
>