Specifications

VLAN Interface Support Matrix
b. Change the server’s hostname using the Linux hostname command.
c. Before continuing, you should ensure that the new hostname is resolvable by each
server in the cluster (see the previous bullets).
d. Run the following command on every server in the cluster to update LifeKeeper’s
hostname. (Refer to lk_chg_value(1M) for details.)
/opt/LifeKeeper/bin/lk_chg_value -o oldhostname -n
newhostname
e. Start LifeKeeper using the command:
/etc/init.d/lifekeeper start
LifeKeeper for Linux v7.x supports VLAN interface for Communication Paths and IP resources. The
type of VLAN interface can be chosen as described below.
VLAN Interface Support Matrix
- not supported \ x supported
LK Linux v7.1 or Prior Version
VLAN_NAME_TYPE CommPath IP resource
DEV_PLUS_VID (eth0.0100) - x
DEV_PLUS_VID_NO_PAD (eth0.100) - x
VLAN_PLUS_VID (vlan0100) x x
VLAN_PLUS_VID_NO_PAD (vlan100) x x
LK Linux v7.2 or Later Version
VLAN_NAME_TYPE CommPath IP resource
DEV_PLUS_VID (eth0.0100) x x
DEV_PLUS_VID_NO_PAD (eth0.100) x x
VLAN_PLUS_VID (vlan0100) x x
VLAN_PLUS_VID_NO_PAD (vlan100) x x
Creating Switchable IP Address
A switchable IP address is a “virtual” IP address that can be switched between servers. It is separate
from the IP address associated with the network interface card of each server. Applications under
LifeKeeper protection are associated with the switchable IP address. Then, if there is a failure on the
SteelEye Protection Suite for Linux27