ZyXEL Communications 4.6 ユーザーズマニュアル

Chapter 10 Packages

Media Server User’s Guide

Use this screen to edit the schedule for the backup job.

Protect > Backup > Edit: Step 2

The following table describes the labels in this screen.

Bandwidth

For backups to a remote NSA, you can restrict the bandwidth to help prevent the 
backups from using all of your network connection’s available bandwidth. This is more 
important when backing up to a remote NSA or computer through the Internet.

Purge Policy

The NSA maintains the files that have been included in your backups. However to save 
hard disk space, you can choose to delete files that have been included in previous 
backups.

•

Select Keep All Old Backup files to store all files that have been included in 

previous backups.

•

If you want to store a certain number of backup files, select Keep Only the last n 

backup files (1-30). Enter a value (n) from 1 to 30 to specify how many backups 

the NSA stores. All backup files older than the last one are deleted. You will not be 

able to recover files that existed (only) in those previous backups. Select this if 

backup space is limited and recovery of old files is not important.

•

If you want to store all backups for a certain time period, select Keep Backups for 

n day(s)(1-3650). Enter a value (n) from 1 to 3650 to specify how many days the 

NSA stores all backup files. After this day has expired, all backup files will be 

deleted. 

Next 

Click this to go to the next screen.

Protect > Backup > Edit: Step 1

Protect > Backup > Edit: Step 2

Scheduler Settings

Backup Frequency

Edit this by selecting from Hourly, Daily, Weekly and Monthly backup intervals. The 
screen changes depending on the item you select. 

Every how many 
hours?

This is only available if you selected Hourly as your backup frequency.

Select every how many hours the NSA performs the backup job.

On which minute of 
the hour?

This is only available if you selected Hourly as your backup frequency.

Select the minute (from 0 to 59) in an hour when the NSA performs the backup job.