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RE: [Linux-cluster] service state unchanged when host crashes



Hi Giacomo,

Given the nature of the bug, does this mean that the unpatched cluster code is unable to relocate services in the event of node failure ?

If so, how can anyone be using this ?

regards,
Martin

-----Original Message-----
From: linux-cluster-bounces redhat com [mailto:linux-cluster-bounces redhat com] On Behalf Of Giacomo Bagnoli
Sent: 28 October 2009 10:20
To: linux clustering
Subject: Re: [Linux-cluster] service state unchanged when host crashes

Il giorno mer, 28/10/2009 alle 11.03 +0100, Jakov Sosic ha scritto:
> On Tue, 27 Oct 2009 09:57:50 -0000
> "Martin Waite" <Martin Waite datacash com> wrote:
> 
> > I am running Debian Lenny 64-bit.   Is that going to be a problem for
> > me ?
> 
> Well maybe. Last time I tried RedHat Cluster Suite on Debian Lenny was 
> two months ago, and then I had stumbled upon the following bug:
> 
> http://www.mail-archive.com/linux-cluster redhat com/msg06018.html
> 
> I don't know if they have fixed that bug... but it resembles totally 
> to your problem... Node goes down, node gets fenced, service is seen 
> as down by rgmanager, but there is no action to relocate it to a live 
> cluster member. That was a start of a project for me, so after that I 
> migrated to CentOS 5 (which is a free RHEL fork).

I've had this bug too using Gentoo and RHCS stable-2. After a bit of investigation I've found the bug and the solution (a small, tiny, trivial 2-line patch to fenced) I've already posted on RH bugzilla but got no response.
https://bugzilla.redhat.com/show_bug.cgi?id=512512

The patch worked out for me and cluster is in production from august.
Hope it helps.

--
Ing. Giacomo Bagnoli
Asidev s.r.l.
Via Osteria Bianca, 108/A 50053 Empoli (Firenze)
E-mail: g bagnoli asidev com   Web: www.asidev.com


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