[Gluster-users] Detecting split brain

[anthony garnier]

So if I understand well, a value different than 0sAAAAAAAAAAAAAAAA for the attribute  trusted.afr.poolsave-client-0  indicate split brain.

Thx

> Date: Thu, 1 Dec 2011 11:23:29 -0500
> From: jdarcy at redhat.com
> To: sokar6012 at hotmail.com
> CC: gluster-users at gluster.org
> Subject: Re: [Gluster-users] Detecting split brain
> 
> On Thu, 1 Dec 2011 16:00:09 +0000
> anthony garnier <sokar6012 at hotmail.com> wrote:
> 
> > 
> > Hi,
> > 
> > I got a lot of files with attributes : 0sAAAAAAAAAAAAAAAAA
> > 
> > Serv 1 :
> > # file: tbo_rmr_globale_log_11-04-07_15h43m48s.log
> > trusted.afr.poolsave-client-0=0sAAAAAAAAAAAAAAAA
> > trusted.afr.poolsave-client-1=0sAAAAAAAAAAAAAAAA
> > trusted.gfid=0sfm7CRROuQ4+wuQfmHjFCdg==
> > 
> > Serv 2 :
> > # file: tbo_rmr_globale_log_11-04-07_15h43m48s.log
> > trusted.afr.poolsave-client-0=0sAAAAAAAAAAAAAAAA
> > trusted.afr.poolsave-client-1=0sAAAAAAAAAAAAAAAA
> > trusted.gfid=0sfm7CRROuQ4+wuQfmHjFCdg==
> > 
> > Does it mean that those files need Self-Healing ? I use GlusterFS
> > 3.2.3
> 
> This is actually normal.  For some reason that would probably make me
> throw up if I knew it, getfattr misreports 0x000000000000000000000000
> as 0sAAAAAAAAAAAAAAAA (which would be 0x404040404040404040404040) if
> you don't give it the "-e hex" flag.  The value is actually three
> four-byte integers, and if they're zero it means there are no pending
> operations.  Any *other* value is likely to indicate split brain.
 		 	   		  
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