Owner's Manual

56 Configuring Storage, Oracle User Equivalence, and Networking for Oracle RAC
e After all the nodes are added, click Apply and then click Close in the
Node Configuration window.
NOTE: If you get the error message: Unable to access cluster
service
, when you perform step e , delete the file /etc/ocfs2/cluster.conf
and try again.
f
From the menu, click Cluster → Propagate Configuration .
The Propagate Cluster Configuration window appears. Wait until the
message
Finished appears in the window. Click Close .
g Select File → Quit .
3 On all the nodes , enable the cluster stack on startup by typing:
/etc/init.d/o2cb enable
4
Change the O2CB_HEARTBEAT_THRESHOLD value on all the nodes:
a Stop the O2CB service on all the nodes by typing:
/etc/init.d/o2cb stop
b Edit the O2CB_HEARTBEAT_THRESHOLD value in
/etc/sysconfig/o2cb to 81 on all the nodes.
c Start the O2CB service on all the nodes by typing:
/etc/init.d/o2cb start
5
On the first node , for a Fibre Channel cluster, create one partition on each
of the other two external storage devices using
fdisk :
a Create a primary partition for the entire device by typing:
fdisk /dev/emcpowerX
NOTE: Type h for help within the fdisk utility.
b
Verify that the new partition exists by typing:
cat /proc/partitions
c If you do not observe the new partition, type:
sfdisk -R /dev/<device name>
NOTE: The following steps use the sample values:
• mount points: /u02,/u03 , and /u04
• labels: u02,u03 and u04
• Fibre Channel storage devices:
emcpowera, emcpowerb , and
emcpowerc