4
Maintenance
Importance of Backups
The process of copying data to external storage media for protecting important data stored in a hard
drive is called a "backup". Large-capacity hard drives store a large volume of data everyday. The loss of
data due to an accident, human error, or unexpected event can result in significant losses for business
operations.
Making a backup saves the same data to multiple storage media (such as a hard drive). As a result, in the
event that the data saved in one media is corrupted or lost, the corrupted or lost data can be restored
from another storage media.
Note: Create backups on a regular basis when using a hard drive.
Backup Storage Media
Many types of storage media below can be used for backup.
• BD-R/RE
• Magneto-Optical (MO) disk • Expansion hard drive
Restoring Backup Data
See the backup manual on your Navigator CD.
10
HD-QLU3 User Manual
Backup
• DVD±R/RW
• DVD-RAM
• Network (LAN) server
• CD-R/RW