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Re: [Linux-cluster] GFS on CentOS - cman unable to start



Hi Wes

Please excuse my poor english - it's not my mother language I'm writing in.

----- Ursprüngliche Message -----

> Howdy, y'all. I'm trying to set up GFS in a cluster on CentOS systems
> running on vmWare. The GFS FS is on a Dell Equilogic SAN.
> 
> I keep running into the same problem despite many differently-flavored
> attempts to set up GFS. The problem comes when I try to start cman, the
> cluster management software.
> 
>     [root test01]# service 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]


I don't think that the cluster is your main-problem.
The nodename must "not" present in DNS, but it must be resolvable by files, ldap whatever.

Please verify that "files" is present at /etc/nsswitch.conf.

e.g: hosts:      files dns

Did you've check with "ip addr list" that the ip-address matches the same as in /etc/hosts?

> 

>     [root test01]# tail /var/log/messages
>     Jan  5 13:39:40 testbench06 ccsd[13194]: Unable to connect to
> cluster infrastructure after 1193640 seconds.
>     Jan  5 13:40:10 testbench06 ccsd[13194]: Unable to connect to
> cluster infrastructure after 1193670 seconds.
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] AIS Executive
> Service RELEASE 'subrev 1887 version 0.80.6'
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] Copyright (C)
> 2002-2006 MontaVista Software, Inc and contributors.
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] Copyright (C)
> 2006 Red Hat, Inc.
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] AIS Executive
> Service: started and ready to provide service.
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] local node name
> "test01.gdao.ucsc.edu" not found in cluster.conf
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] Error reading CCS
> info, cannot start
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] Error reading
> config from CCS
>     Jan  5 13:40:24 testbench06 openais[3939]: [MAIN ] AIS Executive
> exiting (reason: could not read the main configuration file).
> 
> Here are details of my configuration:
> 
>     [root test01]# rpm -qa | grep cman
>     cman-2.0.115-85.el5_7.2
> 
>     [root test01]# echo $HOSTNAME
>     test01.gdao.ucsc.edu
> 
>     [root test01]# hostname
>     test01.gdao.ucsc.edu
> 
>     [root test01]# cat /etc/hosts
>     # Do not remove the following line, or various programs
>     # that require network functionality will fail.
>     128.114.31.112      test01 test01.gdao test01.gdao.ucsc.edu
>     128.114.31.113      test02 test02.gdao test02.gdao.ucsc.edu
>     127.0.0.1               localhost.localdomain localhost
>     ::1             localhost6.localdomain6 localhost6
> 
>     [root test01]# sestatus
>     SELinux status:                 enabled
>     SELinuxfs mount:                /selinux
>     Current mode:                   permissive
>     Mode from config file:          permissive
>     Policy version:                 21
>     Policy from config file:        targeted
> 
>     [root test01]# cat /etc/cluster/cluster.conf
>     <?xml version="1.0"?>
>     <cluster config_version="25" name="gdao_cluster">
>         <fence_daemon post_fail_delay="0" 
> post_join_delay="120"/>
>         <clusternodes>
>             <clusternode name="test01" nodeid="1" 
> votes="1">
>                 <fence>
>                     <method name="single">
>                         <device name="gfs_vmware"/>
>                     </method>
>                 </fence>
>             </clusternode>
>             <clusternode name="test02" nodeid="2" 
> votes="1">
>                 <fence>
>                     <method name="single">
>                         <device name="gfs_vmware"/>
>                     </method>
>                 </fence>
>             </clusternode>
>         </clusternodes>
>         <cman/>
>         <fencedevices>
>             <fencedevice agent="fence_manual" 
> name="gfs1_ipmi"/>
>             <fencedevice agent="fence_vmware" 
> name="gfs_vmware"
> ipaddr="gdvcenter.ucsc.edu" login="root" 
> passwd="1hateAmazon.com"
> vmlogin="root" vmpasswd="esxpass"
> port="/vmfs/volumes/49086551-c64fd83c-0401-001e0bcd6848/eagle1/gfs1.vmx"/>
>         </fencedevices>
>         <rm>
>         <failoverdomains/>
>         </rm>
>     </cluster>


- Chris


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