[Linux-cluster] fence_ilo

Rajagopal Swaminathan raju.rajsand at gmail.com
Sun Jan 24 13:56:51 UTC 2010


Greetings,

On Sun, Jan 24, 2010 at 1:48 PM, Muhammad Ammad Shah <mammadshah at hotmail.com
> wrote:

>
>
> When i execute "clustat" on single-alive node. it have the following
>
>  root# clustat
> Cluster Status for DB_Clust @ Sun Jan 24 08:28:54 2010
> Member Status: Inquorate
>
>  Member Name                                    ID   Status
>  ------ ----                                    ---- ------
>  node1.example.com                       1 Online, Local
>  node2.example.com                       2 Offline
>  /dev/disk/by-id/scsi-3600c0ff000d7ba264cac4d4b0    0 Offline
>
>
Some silly questions:

Q1. is it a two node cluster? if so, have you configured is as such using
two_nodes
---- http://sources.redhat.com/cluster/wiki/FAQ/CMAN says

[quote]
How can I define a two-node cluster if a majority is needed to reach quorum?

We had to allow two-node clusters, so we made a special exception to the
quorum rules. There is a special setting "two_node" in the /etc/cluster.conf
file that looks like this:

<cman expected_votes="1" two_node="1"/>

This will allow one node to be considered enough to establish a quorum. Note
that if you configure a quorum disk/partition, you don't want two_node="1".

[/quote]
Q2. Are the cluster member nodes able to resolve each others names? (either
through DNS or /etc/hosts file)
Q3. have you used cman_tool join command to join the nodes to the cluster?


Regards,

Rajagopal
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