Veritas FlashSnap Point-In-Time Copy Solutions 5.0.1 Administrators Guide, HP-UX 11i v3, First Edition, November 2009

Figure 1-4

Example connectivity for off-host solution using redundant-loop

access

Network

OHP host

Primary host

Fibre Channel

hubs or switches

Disk arrays

c1 c2 c3 c4

This layout uses redundant-loop access to deal with the potential failure of any

single component in the path between a system and a disk array.

Note: On some operating systems, controller names may differ from what is shown

here.

Figure 1-5 shows how off-host processing might be implemented in a cluster by

configuring one of the cluster nodes as the OHP node.

21Point-in-time copy solutions

Implementing off-host point-in-time copy solutions