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

Point-in-time copy solutions

This chapter includes the following topics:

■ About point-in-time copy solutions

■ Applications of point-in-time copy solutions

■ Veritas software used in point-in-time copy scenarios

■ Implementing point-in time copy solutions on a primary host

■ Implementing off-host point-in-time copy solutions

About point-in-time copy solutions

This topic introduces the point-in-time copy solutions that you can implement

using the Veritas FlashSnap™ technology.

Note: The FlashSnap feature requires a separate license.

Veritas FlashSnap offers a flexible and efficient means of managing business

critical data. It allows you to capture an online image of actively changing data

at a given instant: a point-in-time copy. You can perform system backup, upgrade

and other maintenance tasks on point-in-time copies while providing continuous

availability of your critical data. If required, you can offload processing of the

point-in-time copies onto another host to avoid contention for system resources

on your production server.

The following kinds of point-in-time copy solution are supported by the FlashSnap

license:

■ Volume-level solutions are made possible by the persistent FastResync and

Disk Group Split/Join features of Veritas Volume Manager. These features are

Chapter