[ovirt-users] Missing dom_md/ids file

[David Teigland]

On Fri, Feb 19, 2016 at 11:34:28PM +0200, Nir Soffer wrote:
> On Fri, Feb 19, 2016 at 10:58 PM, Cameron Christensen
> <cameron.christensen at uk2group.com> wrote:
> > Hello,
> >
> > I am using glusterfs storage and ran into a split-brain issue. One of the
> > file affected by split-brain was dom_md/ids. In attempts to fix the
> > split-brain issue I deleted the dom_md/ids file. Is there a method to
> > recreate or reconstruct this file?
> 
> You can do this:
> 
> 1. Put the gluster domain to maintenance (via engine)
> 
> No host should access it while you reconstruct the ids file
> 
> 2. Mount the gluster volume manually
> 
> mkdir repair
> mount -t glusterfs <server>:/<path> repair/
> 
> 3. Create the file:
> 
> touch repair/<sd_uuid>/dom_md/ids
> 
> 4. Initialize the lockspace
> 
> sanlock direct init -s <sd_uuid>:0:repair/<sd_uuid>/dom_md/ids:0
> 
> 5. Unmount the gluster volume
> 
> umount repair
> 
> 6. Activate the gluster domain (via engine)
> 
> The domain should become active after a while.
> 
> 
> David: can you confirm this is the best way to reconstruct the ids file?

Yes, that looks right.