Managing MC/ServiceGuard NFS A.11.11.03 and A.11.23.02 (March 2004)

Overview of MC/ServiceGuard NFS
Supported Configurations
Chapter 1 13
Simple Failover to an Idle NFS Server
Figure 1-1 shows a simple failover from an active NFS server node to an
idle NFS server node.
Figure 1-1 Simple Failover to an Idle NFS Server
Node_A is the primary node for NFS server package Pkg_1. When Node_A
fails, Node_B adopts Pkg_1. This means that Node_B locally mounts the
file systems associated with Pkg_1 and exports them. Both Node_A and
Node_B must have access to the disks that hold the file systems for
Pkg_1.
Node_A
Node_A Node_B
Pkg_1
disks
Before Failover:
After Failover:
Node_B
Pkg_1
disks
B5140-90017.book Page 13 Thursday, January 22, 2004 3:10 PM