Adding and removing a node

Removing a node from a cluster

#haconf —dump -makero

9Put the CVM resources back online, in the following order:

#hagrp -online cvm -sys system01

#hagrp -online cvm -sys system02

#hagrp -online cvm -sys system03

10Check the system status to see whether the new node is online:

#hastatus —sum

-- SYSTEM STATE

 

 

-- System

State

Frozen

A

system01

RUNNING

0

A

system02

RUNNING

0

A

system03

RUNNING

0

-- GROUP STATE

 

 

 

-- Group

System

Probed

AutoDisabled

State

B

cvm

system01

Y

N

ONLINE

B

cvm

system02

Y

N

ONLINE

B

cvm

system03

Y

N

ONLINE

11Add shared disk groups to the cluster configuration:

#cfsdgadm add cfsdg system03=sw

12Create a /mnt on system03 and run the following commands:

#cfsmntadm modify /mnt add system03=rw

Refer to cfsmntadm man page for more details.

13Use cfsmount command to cluster mount /mnt back on all the nodes:

#cfsmount /mnt

Removing a node from a cluster

This section describes how to remove a node from a cluster. As in previous examples, the following removes the system system03 from a three-node cluster. The procedure can be done from any node remaining in the cluster or from a remote host.

To remove a node from a cluster

1Log in as superuser on a node other than system03.

2Stop all the cluster components:

#cfscluster stop -f system03

3Open the VCS configuration for writing:

57

# haconf -makerw

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Symantec HP-UX manual Removing a node from a cluster, Put the CVM resources back online, in the following order

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