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[Linux-cluster] Uanble to mount GFS



Hi All,

I've successfully installed and configured GFS on my three nodes, but when I try to mount the filesystem the prompt hangs until I kill the mount command.  All servers are running RHEL 3 AS/ES U6 with the 2.4.21-37.0.1.ELsmp kernel and are connected to a MSA1500 SAN via FC.  I've installed the following GFS rpms:

[root oradw root]# rpm -qa | grep -i gfs
GFS-modules-6.0.2.27-0.1
GFS-modules-smp-6.0.2.27-0.1
GFS-6.0.2.27-0.1


Here is my pool configuration files and the output from pool_tool -s

[root backup gfs]# cat cluster_cca.cfg
poolname cluster_cca
subpools 1
subpool 0 0 1
pooldevice 0 0 /dev/sda1
[root backup gfs]# cat pool0.cfg
poolname pool_gfs1
subpools 1
subpool 0 0 1
pooldevice 0 0 /dev/sda2
[root backup gfs]# cat pool1.cfg
poolname pool_gfs2
subpools 1
subpool 0 0 1
pooldevice 0 0 /dev/sdb
[root backup gfs]# pool_tool -s
  Device                                            Pool Label
  ======                                            ==========
  /dev/pool/cluster_cca                       <- CCA device ->
  /dev/pool/pool_gfs1                     <- GFS filesystem ->
  /dev/pool/pool_gfs2                     <- GFS filesystem ->
  /dev/cciss/c0d0                  <- partition information ->
  /dev/cciss/c0d0p1                    <- EXT2/3 filesystem ->
  /dev/cciss/c0d0p2                          <- swap device ->
  /dev/cciss/c0d0p3                       <- lvm1 subdevice ->
  /dev/sda                         <- partition information ->
  /dev/sda1                                        cluster_cca
  /dev/sda2                                          pool_gfs1
  /dev/sdb                                           pool_gfs2


Here is the command I used to create the filesystem:

gfs_mkfs -p lock_gulm -t cluster_cca:pool_gfs2 -j 10 /dev/pool/pool_gfs2


Mount command that hangs:

mount -t gfs /dev/pool/pool_gfs2 /gfs2

Here is the output I see in my messages log file.  I see the last 5 lines repeated for each time I tried to mount the filesystem.

Mar 17 15:47:05 backup ccsd[2645]: Starting ccsd 6.0.2.27:
Mar 17 15:47:05 backup ccsd[2645]:  Built: Jan 30 2006 15:28:33
Mar 17 15:47:05 backup ccsd[2645]:  Copyright (C) Red Hat, Inc.  2004  All rights reserved.
Mar 17 15:48:10 backup lock_gulmd[2652]: Starting lock_gulmd 6.0.2.27. (built Jan 30 2006 15:28:54) Copyright (C) 2004 Red Hat, Inc.  All rights reserved.
Mar 17 15:48:10 backup lock_gulmd[2652]: You are running in Fail-over mode.
Mar 17 15:48:10 backup lock_gulmd[2652]: I am (backup) with ip (127.0.0.1)
Mar 17 15:48:10 backup lock_gulmd[2652]: Forked core [2653].
Mar 17 15:48:11 backup lock_gulmd[2652]: Forked locktable [2654].
Mar 17 15:48:12 backup lock_gulmd[2652]: Forked ltpx [2655].
Mar 17 15:48:12 backup lock_gulmd_core[2653]: I see no Masters, So I am Arbitrating until enough Slaves talk to me.
Mar 17 15:48:12 backup lock_gulmd_core[2653]: Could not send quorum update to slave backup
Mar 17 15:48:12 backup lock_gulmd_core[2653]: New generation of server state. (1142628492484630)
Mar 17 15:48:12 backup lock_gulmd_LTPX[2655]: New Master at backup:127.0.0.1
Mar 17 15:52:14 backup kernel: Lock_Harness 6.0.2.27 (built Jan 30 2006 15:32:58) installed
Mar 17 15:52:14 backup kernel: GFS 6.0.2.27 (built Jan 30 2006 15:32:20) installed
Mar 17 15:52:15 backup kernel: Gulm 6.0.2.27 (built Jan 30 2006 15:32:54) installed
Mar 17 15:54:51 backup kernel: lock_gulm: ERROR cm_login failed. -512
Mar 17 15:54:51 backup kernel: lock_gulm: ERROR Got a -512 trying to start the threads.
Mar 17 15:54:51 backup lock_gulmd_core[2653]: Error on xdr (GFS Kernel Interface:127.0.0.1 idx:3 fd:8): (-104:104:Connection reset by peer)
Mar 17 15:54:51 backup kernel: lock_gulm: fsid=cluster_cca:gfs1: Exiting gulm_mount with errors -512
Mar 17 15:54:51 backup kernel: GFS: can't mount proto = lock_gulm, table = cluster_cca:gfs1, hostdata =


Result from gulm_tool:

[root backup gfs]# gulm_tool nodelist backup
 Name: backup
  ip    = 127.0.0.1
  state = Logged in
  mode = Arbitrating
  missed beats = 0
  last beat = 1142632189718986
  delay avg = 10019686
  max delay = 10019735



I'm a newbie to clusters and I have no clue where to look next.  If any other information is needed let me know.

Thanks,

--
Magnus Andersen
Systems Administrator / Oracle DBA
Walker & Associates, Inc.
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