Verifying gab – Symantec Veritas 5 User Manual

Page 116

Advertising
background image

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

Advertising