[Gluster-users] self-heal failed

[Daniel Taylor]

I'm not familiar with zfs in particular, but it should have given you a 
message saying why it won't unmount.

In the worst case you can indeed remove the mount point from /etc/fstab 
and reboot. A hard reboot may be necessary in a case like this.

On 01/10/2013 10:43 AM, Liang Ma wrote:
>
> Yes, I stopped the glusterfs service on the damaged system but zfs 
> still won't allow me to umount the filesystem. Maybe I should try to 
> shutdown the entire system.
>
>
> On Wed, Jan 9, 2013 at 10:28 AM, Daniel Taylor <dtaylor at vocalabs.com 
> <mailto:dtaylor at vocalabs.com>> wrote:
>
>
>     On 01/09/2013 08:31 AM, Liang Ma wrote:
>
>
>         Hi Daniel,
>
>         Ok, if gluster can't self-heal from this situation, I hope at
>         least I can manually restore the volume by using the good
>         brick available. So would you please tell me how can I "simply
>         rebuild the filesystem and let gluster attempt to restore it
>         from a *clean* filesystem"?
>
>
>     Trimmed for space.
>
>     You could do as Tom Pfaff suggests, but given the odds of data
>     corruption carrying forward I'd do the following:
>     Shut down gluster on the damaged system.
>     Unmount the damaged filesystem.
>     Reformat the damaged filesystem as new (throwing away any
>     potential corruption that might not get caught on rebuild)
>     Mount the new filesystem at the original mount point
>     Restart gluster
>
>     In the event of corruption due to hardware failure you'd be doing
>     this on replacement hardware.
>     The key is you have to have a functional filesystem for gluster to
>     work with.
>
>
>     -- 
>     Daniel Taylor             VP Operations       Vocal Laboratories, Inc
>     dtaylor at vocalabs.com <mailto:dtaylor at vocalabs.com> 612-235-5711
>     <tel:612-235-5711>
>
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>

-- 
Daniel Taylor             VP Operations       Vocal Laboratories, Inc
dtaylor at vocalabs.com                                     612-235-5711