[Linux-cluster] gfs2 and SAN setup

[Jeremiah D. Jester]

Hi Jeff,



Thanks for your reply. Our two servers are donuts (server1) and coffee (server2)  have been configured with CMAN but the outcome isn't quite what we expect. On donuts a 'clustat' gives us some errors.



[root at donuts ~]# clustat

Cluster Status for ngs @ Mon Jun 28 15:14:15 2010

Member Status: Quorate



Member Name                                                ID   Status

------ ----                                                ---- ------

donuts.microslu.washington.edu                                 2 Online, Local

Node1

                                                         1 Offline, Estranged



My cluster.conf file reads as following on this machine.



[root at donuts ~]# cat  /etc/cluster/cluster.conf

<?xml version="1.0"?>

<cluster alias="ngsCluster" config_version="7" name="ngs">

        <fence_daemon post_fail_delay="0" post_join_delay="3"/>

        <clusternodes>

                <clusternode name="coffee.microslu.washington.edu" nodeid="1" votes="1">

                        <fence/>

                </clusternode>

                <clusternode name="donuts.microslu.washington.edu" nodeid="2" votes="1">

                        <fence/>

                </clusternode>

        </clusternodes>

        <cman/>

        <fencedevices/>

        <rm>

                <failoverdomains/>

                <resources/>

        </rm>

</cluster>



However, when I try to do the same on coffee, I am unable to start cman. I've copied donuts cluster.conf file to  this machine but gets overwritten with a cluster.conf file that just has 'donuts' in it every time I try to restart CMAN.


[root at coffee cluster]# clustat

Could not connect to CMAN: Connection refused

[root at coffee cluster]# /etc/init.d/cman start

Starting cluster:

   Loading modules... done

   Mounting configfs... done

   Starting ccsd... done

   Starting cman... failed

cman not started: Can't find local node name in cluster.conf /usr/sbin/cman_tool: aisexec daemon didn't start

                                                           [FAILED]





Thanks!

JJ



-----Original Message-----
From: linux-cluster-bounces at redhat.com [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Jeff Sturm
Sent: Monday, June 28, 2010 2:46 PM
To: linux clustering
Subject: Re: [Linux-cluster] gfs2 and SAN setup



> From: linux-cluster-bounces at redhat.com

[mailto:linux-cluster-bounces at redhat.com] On Behalf Of Jeremiah D.

Jester

> Sent: Monday, June 28, 2010 5:28 PM

> To: linux-cluster at redhat.com

> Subject: [Linux-cluster] gfs2 and SAN setup



> [root at coffee cluster]# mount -o acl -t gfs2 /dev/sdd /vol10

> /sbin/mount.gfs2: can't connect to gfs_controld: Connection refused



Make sure CMAN is running on all nodes, and all nodes have successfully joined the cluster.



-Jeff







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