When ever node comes down or bounces lease expires and node number changes automatically. To make node number consistent, we will pin the nodes after post Installation
Steps to Pin the nodes in a cluster
[oracle@tnc1 ~]$ olsnodes -t
tnc1 Unpinned
tnc2 Unpinned
Command to pin the nodes in a cluster
[oracle@tnc1 bin]$ crsctl pin css -n tnc1
CRS-4563: Insufficient user privileges.
CRS-4000: Command Pin failed, or completed with errors.
Perform as root and pin the all nodes in a cluster
[root@tnc1 ~]# crsctl pin css -n tnc1
CRS-4664: Node tnc1 successfully pinned.
[root@tnc2 ~]# crsctl pin css -n tnc2
CRS-4664: Node tnc2 successfully pinned.
Make sure Nodes are pinned on the cluster
[root@tnc2 ~]# olsnodes -s -t
tnc1 Active Pinned
tnc2 Active Pinned
---Nikhil Tatineni---
---12c Oracle RAC---
