Serviceguard NFS Toolkit A.11.11.04 and A.11.23.03 Administrator's Guide

Overview of Serviceguard NFS
Supported Configurations
Chapter 1 17
Server-to-Server Cross Mounting
Two NFS server nodes may NFS-mount each other’s file systems and
still act as adoptive nodes for each other’s NFS server packages.
Figure 1-5 illustrates this configuration.
Figure 1-5 Server-to-Server Cross Mounting
Node_A
NFS
mount
NFS
mount
/Pkg_2/NFS/mountpoint
/Pkg_1/NFS/mountpoint
/Pkg_1/local/mountpoint
NFS
mount
Node_B
/Pkg_1/NFS/mountpoint
/Pkg_2/NFS/mountpoint
/Pkg_2/local/mountpoint
Node_A
Pkg_1 disks
Pkg_2 disks
Node_B
/Pkg_1/NFS/mountpoint
/Pkg_2/NFS/mountpoint
/Pkg_1/local/mountpoint
NFS
/Pkg_2/local/mountpoint
mount
Before Failover:
After Failover:
/Pkg_2/NFS/mountpoint
/Pkg_1/NFS/mountpoint
/Pkg_1/local/mountpoint
NFS
mount
Pkg_1 disks
Pkg_2 disks
NFS
mount
B5140-90021.book Page 17 Wednesday, November 17, 2004 10:52 AM