Removing a node from a cluster – Symantec VERITAS STORAGE FOUNDATION HP-UX User Manual
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Adding and removing a node
Removing a node from a cluster
# haconf —dump -makero
9
Put the CVM resources back online, in the following order:
# hagrp -online cvm -sys system01
# hagrp -online cvm -sys system02
# hagrp -online cvm -sys system03
10 Check 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
11 Add shared disk groups to the cluster configuration:
# cfsdgadm add cfsdg system03=sw
12 Create a
/mnt
on system03 and run the following commands:
# cfsmntadm modify /mnt add system03=rw
Refer to
cfsmntadm
man page for more details.
13 Use
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
1
Log in as superuser on a node other than system03.
2
Stop all the cluster components:
# cfscluster stop -f system03
3
Open the VCS configuration for writing:
# haconf -makerw