ZyXEL Communications 4.6 ユーザーズマニュアル

 Chapter 10 Packages

Media Server User’s Guide

Click this to specify the schedule for the backup job. The backup job automatically runs according 
to the schedule that you set in this screen.

Protect > Backup: Step 4

The following table describes the labels in this screen.

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. 

Previous 

Click this to go back to the previous screen.

Next 

Click this to go to the next screen.

Protect > Backup: Step 3

Protect > Backup: Step 4

Scheduler

Backup Frequency

Select 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.