Symantec GHOST 14, Manual

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About Offsite Copy
Backing up your data to a secondary hard disk is a critical first step to protect
your information assets. But to make certain your data is safe, use Offsite Copy
to copy your latest recovery points to either a portable storage device, remote
server in your network, or to a remote FTP server.
Regardless of the method you use, storing copies of your recovery points at a
remote location provides a crucial level of redundancy in the event that your office
becomes innaccesible. Offsite Copy can double your data protection by ensuring
that you have a remote copy.
How Offsite Copy works
You enable and configure Offsite Copy when you define a new drive-based backup
job. Or you can edit an existing backup job to enable Offsite Copy.
When you enable Offsite Copy, you specify up to two Offsite Copy destinations.
After the backup job finishes creating recovery points, Offsite Copy verifies that
at least one of the Offsite Copy destinations are available. Offsite Copy then begins
copying the new recovery points to the Offsite Copy destination.
Newest recovery points are copied first followed by the next oldest recovery points.
If you have set up two Offsite Copy destinations, Offsite Copy copies recovery
points to the destination that was added first. If an Offsite Copy destination is
unavailable, Offsite Copy tries to copy recovery points to the second destination,
if it is available. If neither destination is available, then Offsite Copy copies the
recovery points the next time an Offsite Copy destination becomes available.
For example, suppose you have configured a backup job to run at 6 p.m. and
configured an external drive as an Offsite Copy destination. However, when you
leave the office at 5:30 p.m., you take the drive with you for safe keeping. When
the backup job completes at 6:20 p.m., Norton Ghost detects that the Offsite Copy
destination drive is not available and the copy process aborted. The following
morning, you plug the drive back in to the computer. Norton Ghost detects the
presence of the Offsite Copy destination drive and automatically begins copying
your recovery points.
Offsite Copy is designed to use very little system resources so that the copying
process is done in the background. This feature lets you continue to work at your
computer with little or no impact on system resources.
If an Offsite Copy destination runs out of disk space, Offsite Copy identifies the
oldest recovery points and removes them to make room for the most current
recovery points. Offsite Copy then copies the current recovery points to the Offsite
Copy destination.
73 Backing up entire drives
About Offsite Copy