Download Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.1 Installation guide

⁠Chapt er 8 . Managing Red Hat High Availabilit y Add- O n Wit h Command Line T ools
Starting fenced...
]
Starting dlm_controld...
OK ]
Starting gfs_controld...
OK ]
Unfencing self...
OK ]
Joining fence domain...
OK ]
[root@ example-01 ~]# servi ce cl vmd start
Starting clvmd:
OK ]
Activating VG(s):
2 logical volume(s) in volume group
"vg_example" now active
[
OK
[
[
[
[
[
[
OK ]
[root@ example-01 ~]# servi ce g fs2 start
Mounting GFS2 filesystem (/mnt/gfsA):
OK ]
Mounting GFS2 filesystem (/mnt/gfsB):
OK ]
[root@ example-01 ~]# servi ce rg manag er start
Starting Cluster Service Manager:
OK ]
[root@ example-01 ~]#
[
[
[
c. At any cluster node, run cman_to o l no d es to verify that the nodes are functioning
as members in the cluster (signified as " M" in the status column, " Sts" ). For example:
[root@ example-01 ~]# cman_to o l no d es
Node Sts
Inc
Joined
1
M
548
2010-09-28 10:52:21
2
M
548
2010-09-28 10:52:21
Name
node-01.example.com
node-02.example.com
d. At any node, using the cl ustat utility, verify that the HA services are running as
expected. In addition, cl ustat displays status of the cluster nodes. For example:
[root@ example-01 ~]#cl ustat
Cluster Status for mycluster @ Wed Nov 17 05:40:00 2010
Member Status: Quorate
Member Name
------ ---node-02.example.com
rgmanager
node-01.example.com
rgmanager
Service Name
State
------- --------
ID
Status
---- -----2 Online,
1 Online, Local,
Owner (Last)
----- ------
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