Installation guide

Starting fenced... [
OK ]
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 ]
[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 manager 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 Name
1 M 548 2010-09-28 10:52:21 node-01.example.com
2 M 548 2010-09-28 10:52:21 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 ~]#clustat
Cluster Status for mycluster @ Wed Nov 17 05:40:00 2010
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
node-02.example.com 2 Online,
rgmanager
node-01.example.com 1 Online, Local,
rgmanager
Service Name Owner (Last)
State
------- ---- ----- ------
-----
⁠Chapt er 8 . Managing Red Hat High Availabilit y Add- O n Wit h Command Line T ools
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