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734 Chapter 12 • Operational and Organizational Security: Policies and Disaster Recovery

Grandfather tapes can be kept for a specific amount of time (such as a year), so that
data can be restored from previous backups, even after the Father and Son tapes
have been rotated back into service. If someone needs data restored from several
months ago, the Grandfather tape enables a network administrator to retrieve the
required files.
A backup is only as good as its ability to be restored.Too often, backup jobs are
routinely performed, but the network administrator never knows whether the
backup was performed properly until the data needs to be restored.To ensure that
data is being backed up properly and can be restored correctly, administrators
should perform test restores of data to the server.This can be as simple as
attempting to restore a directory or small group of files from the backup tape to
another location on the server.

EXERCISE 12.04

PERFORMING A FULL BACKUP ON WINDOWS XP

1. Log onto Windows XP using an account that has administrator
access or is a member of the Backup Operators group.
2. Click on Windows Start | Programs | Accessories | System Tools.
Click on Backup.
3. Once the Backup tool opens, click on Backup Wizard.
4. When the Backup Wizard appears, you will see a Welcome
screen. Click Next to continue.
5. Select the option Back up everything on this computer, and then
click Next to continue.
6. Select the type of media you will backup to and the name of the
media. This determines where data will be backed up to (for
example, tape, CD, and so forth). Click Next to continue.
7. When the Summary screen appears, click the Advanced button.
8. Select the type of backup that will be performed. Select Copy so
that a full backup of data is performed, but normal backup oper-
ations will not be effected. Click Next.
9. Click on the checkboxes to Verify the data after backup and Use
Hardware Compression. Once these checkboxes are checked, click
Next.

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