[Linux-cluster] resetting a fence - Device (ILOM) during a running Cluster (RHEL 5.2)

[Christian Binder]

Thank you Mark,

the reset was sucessful with no affect to the OS
(PS: I gladly remember me on your solution-day in Neuss at February)

Christian

-------- Original-Nachricht --------
> Datum: Fri, 3 Apr 2009 13:11:00 +0200
> Von: Mark Hlawatschek <hlawatschek at atix.de>
> An: linux clustering <linux-cluster at redhat.com>
> Betreff: Re: [Linux-cluster] resetting a fence - Device (ILOM) during a	running Cluster (RHEL 5.2)

> > we are comfortable with our 2-Node RHEL-5.2 - Cluster (some Oracle-DBs),
> > we have subscribed for several months and which is running stable.
> >
> > We use two SunXFires 4200 M2 server and do the fencing with the
> integrated
> > ILOMs. Unfortunatly, -  because of errors on the ILOM the ILOM of the
> one
> > node has to be reset, which is the advice of our hardware-vendor. The
> reset
> > of the ILOM can be done in production (tested on a single machine)
> > transparent for the OS on this machine (means: without the need of
> > rebooting the OS of the machine.) The only thing, I noticed during the
> test
> > on the single - Server is, that the ILOM is down (network not available)
> > for about 30 sec.
> >
> > Does this short downtime of the fencedevice affect the Redhat
> > Clustersoftware or can we do that action without problems in procution
> > -time ?
> If there's no need for fencing the node during the 30secs period, it can
> be 
> done during production time.
> 
> -Mark
> 
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