January 6, 2015

olsnodes commands in Oracle RAC


Provides the list of nodes and other information for all nodes participating in the cluster

#olsnodes [node_name] [-g] [-i] [-l] [-n] [-p] [-s] [-t] [-v]
node_name -- displays information for the particular node

g -- more details
i -- with VIP
l -- local node name
n -- with node number
p -- private interconnect
s -- status of the node (ACTIVE or INACTIVE)
t -- type of the node (PINNED or UNPINNED)
v -- verbose

How to find out the nodes in Oracle RAC cluster?
#olsnodes             -- will list the nodes in the cluster

#olsnodes -n

#olsnodes node44 -v

#olsnodes -n -p -i
node1-pub 1 node1-prv node1-vip
node2-pub 2 node2-prv node2-vip

#olsnodes -i

#olsnodes -c

How to find out the nodes in cluster (or) how to find out the master node?

#olsnodes     - Which ever displayed first, is the master node of the cluster.

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