Download Symantec Backup Exec System Recovery Windows Small Business Server Edition

Transcript
72
Backing up your data
About setting a compression level for drive-based backups
Table 4-3
Advantages and disadvantages of backup destinations (continued)
Backup destination
Advantages
Removable media (local)
■
Disadvantages
Protection from hard
drive failure
■ Ideal for off-site storage
■
Reserves hard drive space
for other uses
About setting a compression level for drive-based
backups
During the creation of a recovery point, compression results may vary, depending
on the types of files saved to the drive you are backing up.
Table 4-4 describes the available compression levels.
Table 4-4
Compression levels
Compression level
Description
None
Use this option if storage space is not an issue. However, if
the backup is being saved to a busy network drive, high
compression may be faster than no compression because
there is less data to write across the network.
Standard (recommended)
This option uses low compression for a 40 percent average
data compression ratio on recovery points. This setting is
the default.
Medium
This option uses medium compression for a 45 precent
average data compression ratio on recovery points.
High
This option uses high compression for a 50 percent average
data compression ratio on recovery points. This setting is
usually the slowest method.
When a high compression recovery point is created, CPU
usage might be higher than normal. Other processes on the
computer might also be slower. To compensate, you can
adjust the operation speed of Backup Exec System Recovery.
This might improve the performance of other
resource-intensive applications that you are running at the
same time.