Re: [Linux-cluster] Shared Storage and Quorum device
From: Peter Gustafsson1 <peter gustafsson1 se ibm com>
To: linux clustering <linux-cluster redhat com>
Subject: Re: [Linux-cluster] Shared Storage and Quorum device
Date: Thu, 31 Aug 2006 09:39:50 +0200
In Red Hat Cluster Suite 4 you
don't need to have shared storage.
UNIX/LINUX systems programmer
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Red Hat Enterprise Linux Certified Engineer
Mikhail A Zelikov <mzelikov cs uml edu> Sent by: linux-cluster-bounces redhat com
Please respond to
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[Linux-cluster] Shared Storage
and Quorum device
I was wondering if anybody has information on this.
I have 2 node cluster
and some shared storage between two nodes.
The manual contains some information on the shared storage setup:
Section 18.104.22.168 at
However I could not find a way to tell the cluster to use my raw devices
and also test that any of these devices are being used. I also use my
cluster w/o any shared devices and it seems to work.
But in this case a 2-node cluster requires a quorum devices (usually
shared storage) - I can see that when one node is down I still have a
quorum w/o using any shared storage.
So my questions are:
1. Do I have to have a shared storage?
1.a If yes then how do I configure and test it?
1.b If no then how is the quorum is achieved in 2-node cluster when 1 node
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