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

yanj yanj at brainaire.com
Tue Aug 30 01:50:09 UTC 2005


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 at test1 gfs-config]# uname -n
test1
[root at test1 gfs-config]# cat cluster.ccs 
      cluster { 
              name = "gfs" 
              lock_gulm { 
                  servers = ["test1"] 
                  heartbeat_rate = 0.9 
                  allowed_misses = 10 
              } 
      }
[root at test1 gfs-config]# cat fence.ccs 
fence_devices{ 
              admin { 
                    agent = "fence_manual" 
              } 
      }
[root at test1 gfs-config]# cat nodes.ccs 
nodes { 
         test1 { 
            ip_interfaces { 
               hsi0 = "192.168.0.22" 
            } 
            fence { 
               human { 
                  admin { 
                     ipaddr = "192.168.0.22" 
                  } 
               } 
            } 
         } 
}
 
[root at 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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