[Gluster-users] Brick on just one host constantly going offline

Pranith Kumar Karampuri pkarampu at redhat.com
Tue Jun 3 02:14:53 UTC 2014



----- Original Message -----
> From: "Andrew Lau" <andrew at andrewklau.com>
> To: "Pranith Kumar Karampuri" <pkarampu at redhat.com>
> Cc: "gluster-users at gluster.org List" <gluster-users at gluster.org>
> Sent: Tuesday, June 3, 2014 6:42:44 AM
> Subject: Re: [Gluster-users] Brick on just one host constantly going offline
> 
> Hi Pranith,
> 
> On Tue, Jun 3, 2014 at 10:56 AM, Pranith Kumar Karampuri
> <pkarampu at redhat.com> wrote:
> >
> >
> > ----- Original Message -----
> >> From: "Andrew Lau" <andrew at andrewklau.com>
> >> To: "gluster-users at gluster.org List" <gluster-users at gluster.org>
> >> Sent: Tuesday, June 3, 2014 4:10:25 AM
> >> Subject: [Gluster-users] Brick on just one host constantly going offline
> >>
> >> Hi,
> >>
> >> Just a short post as I've since nuked the test environment.
> >>
> >> I've had this case where in a 2 node gluster replica, the brick of the
> >> first host is constantly going offline.
> >>
> >> gluster volume status
> >>
> >> would report host 1's brick is offline. The quorum would kick in,
> >> putting the whole cluster into a read only state. This has only
> >> recently been happening w/ gluster 3.5 and it normally happens after
> >> about 3-4 days of 500GB or so data transfer.
> >
> > Could you check mount logs to see if there are ping timer expiry messages
> > for disconnects?
> > If you see them, then it is very likely that you are hitting throttling
> > problem fixed by http://review.gluster.org/7531
> >
> 
> Ah, that makes sense as it was the only volume which had that ping
> timeout setting. I also did see the timeout messages in the logs when
> I was checking. So is this merged in 3.5.1 ?

Yes! http://review.gluster.org/7570

Pranith
> 
> > Pranith
> >
> >>
> >> Has anyone noticed this before? The only way to bring it back was to:
> >>
> >> killall glusterfsd ; killall -9 glusterfsd ; killall glusterd ; glusterd
> >>
> >>
> >> Thanks,
> >> Andrew
> >> _______________________________________________
> >> Gluster-users mailing list
> >> Gluster-users at gluster.org
> >> http://supercolony.gluster.org/mailman/listinfo/gluster-users
> >>
> 



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