[Linux-cluster] RHEL Upgrade running RHCS/GFS
theophanis_kontogiannis at yahoo.gr
Mon Jul 28 10:02:00 UTC 2008
FYI even the cluster.conf schema is too different between RHEL4 and RHEL5.
This is a useful link on the issue:
From: linux-cluster-bounces at redhat.com
[mailto:linux-cluster-bounces at redhat.com] On Behalf Of Jos Vos
Sent: Thursday, July 24, 2008 1:20 AM
To: linux clustering
Subject: Re: [Linux-cluster] RHEL Upgrade running RHCS/GFS
On Wed, Jul 23, 2008 at 04:05:15PM -0600, Gary Romo wrote:
> I will be upgrading from RHEL4 to RHEL5, on a two-node cluster.
> I am using blade_center fencing, which is my biggest concern.
> I want to put all apps/dbs on node-2, then upgrade node-1.
> After node-1 is good, I want to attach it to the cluster, and fail-over
> apps/dbs from node-2 to node-1.
> Then I will upgrade node-2, attach it to the cluster and be done.
AFAIK, RHEL4 and RHEL5 cluster nodes can not work together,
cluster-wise, so it is not possible to migrate via this scenario.
-- Jos Vos <jos at xos.nl>
-- X/OS Experts in Open Systems BV | Phone: +31 20 6938364
-- Amsterdam, The Netherlands | Fax: +31 20 6948204
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