Chapter 27 Protect
Cloud Storage User’s Guide
326
Figure 203 Protect > Backup: Step 3
The following table describes the labels in this screen.
27.3.4 Backup: Step 4
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.
Table 131 Protect > Backup: Step 3
LABEL DESCRIPTION
Compression Select Yes if you want NAS to compress the files for your backup. Otherwise, choose No.
In an Archive backup, compression is a method of packing computing files in a way that
saves hard disk space.
For a Synchronization backup (to a remote target), the source data will be compressed
before the transmission to reduce the transmission time. It is used in slow networks only.
Encryption Select Yes if you want NAS to encrypt the files for your backup. Otherwise, choose No.
In an Archive backup, this means using a password to secure files.
For a Synchronization backup (to a remote target), this means securing the file transfer
session. However the final file stored on the remote NAS is unencrypted. This takes a long
time. Make sure you really need this feature before enabling it.
Bandwidth Restrict the bandwidth of synchronization backups to help stop them from using all of your
network connection’s available bandwidth. This is more important when backing up to a
remote NAS or computer through the Internet.
Purge Policy The NAS 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
NAS 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 NAS
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.
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