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Re: [Linux-cluster] gfs2 convert hosed all VMs



I'm using the kernel from RHEL 5.2 release.

$ uname -rm
2.6.18-92.el5xen x86_64

I got no syslog messages, but when I ran gfs_fsck, it complained quite a bit.  I presume it destroyed my files. Sadly, I don't have too much time to reproduce the error since I need to restore 30 virtual machines from backup.  Luckily, it's just our lab environment.

On Mon, Nov 10, 2008 at 1:24 AM, Steven Whitehouse <swhiteho redhat com> wrote:
Hi,

You don't say what kernel version you are using. I'd suspect that maybe
its too old. Do you get any messages in syslog at all?

Steve.

On Fri, 2008-11-07 at 19:53 -0800, Dave Costakos wrote:
>
> I just converted a shared file-backed Xen VM GFS filesystem to a GFS2
> filesystem.  The conversion was successfully and all my files appear
> intact.  I followed the GFS instructions by unmounting the filesystem
> on all machines, running gfs_fsck, and gfs2_covert.
>
> Since I converted the filesystem, all my file-backed Xen VMs can no
> longer boot.  pygrub reports errors that the boot loader isn't
> returning any data.  If I edit the Xen config to boot of a kernel on
> the DomU, VMs still can't start up because LVM cannot identify any
> volume groups.
>
> If I try to access the VM device files locally via losetup and kpartx,
> I get "read errors".
>
> So what's the deal  I know GFS2 is a preview, but I have to assume
> I've missed some crucial step here.
>
> --
> Dave Costakos
> mailto:david costakos gmail com
> --
> Linux-cluster mailing list
> Linux-cluster redhat com
> https://www.redhat.com/mailman/listinfo/linux-cluster

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Dave Costakos
mailto:david costakos gmail com

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