However, the output in the example shows different details for the node
nebula. The private network connection is possibly broken or the information
in the /etc/llttab file may be incorrect.
6
To obtain information about the ports open for LLT, type lltstat -p on any
node.
For example, type lltstat -p on the node galaxy in a two-node cluster:
lltstat -p
The output resembles:
LLT port information:
Port Usage Cookie
0 gab 0x0
opens: 0 2 3 4 5 6 7 8 9 10 11 ... 28 29 30 31
connects: 0 1
7 gab 0x7
opens: 0 2 3 4 5 6 7 8 9 10 11 ... 28 29 30 31
connects: 0 1
31 gab 0x1F
opens: 0 2 3 4 5 6 7 8 9 10 11 ... 28 29 30 31
connects: 0 1
Verifying GAB
Verify the GAB operation using the gabconfig -a command. This command
returns the GAB port membership information.
The ports indicate the following:
■ Nodes have GAB communication
■ gen a36e0003 is a randomly generated number
■ membership 01 indicates that nodes 0 and 1 are connected
Port a
■ VCS is started
■ gen fd570002 is a randomly generated number
■ membership 01 indicates that nodes 0 and 1 are both running VCS
Port h
For more information on GAB, refer to the Veritas Cluster Server User's Guide.
Verifying the VCS installation
Verifying LLT, GAB, and cluster operation
116
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