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Re: [Linux-cluster] Nodename problem in GFS based on iSCSI



Check you /etc/hosts, make sure that the host name is not on the same line with localhost.  This works for me:
127.0.0.1    localhost.localdomain localhost
1.2.3.4      mycomputer.example.com mycomputer

I also have set the fully qualified hostname in /etc/sysconfig/network and in the nodes.css file.

Best I can tell, if your host name is on the localhost line, lock_gulmd tries to use the loop back device instead of the Ethernet device. 

Matt

On Mon, 2005-08-29 at 19:50, yanj wrote:
Hello,

 

I am a beginner in GFS. I am trying to setup a GFS system based on iSCSI storage in RHEL3.

Kernel: 2.4.21-27.EL

GFS: GFS-6.0.2-25

Question

I have successful setup the GFS+iSCSI system if I use the default hostname: “localhost”.

However, if I change the hostname to another name, e.g. “test1” (update /etc/sysconfig/network and /etc/hosts), I FAIL to start lock_gulmd.

 

Command sequence:

 

Service ccsd start [ok]

Service lock_gulmd start [fail]

Service lock_gulmd status

lock_gulmd (pid 2616 2614 2611) is running...

gulm_master: gulm master not found

 

lock_gulmd (pid 2616 2614 2611) is running...

gulm_master: gulm master not found

 

I have also tried this within one machine, the error message is same.

 

The GFS configuration in the machine (192.168.0.22) is:

[root test1 gfs-config]# uname -n

test1

[root test1 gfs-config]# cat cluster.ccs

      cluster {

             name = "gfs"

             lock_gulm {

                 servers = ["test1"]

                 heartbeat_rate = 0.9

                 allowed_misses = 10

             }

      }

[root test1 gfs-config]# cat fence.ccs

fence_devices{

             admin {

                   agent = "fence_manual"

             }

      }

[root test1 gfs-config]# cat nodes.ccs

nodes {

        test1 {

           ip_interfaces {

              hsi0 = "192.168.0.22"

           }

           fence {

              human {

                 admin {

                    ipaddr = "192.168.0.22"

                 }

              }

           }

        }

}

 

[root test1 gfs-config]# cat /etc/hosts

# Do not remove the following line, or various programs

# that require network functionality will fail.

192.168.0.22           test1

 

 

Thanks,

Jeffrey Yan



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