User guide

ASUSTOR NAS User Guide
Page 25 of 51
NAS 351 – Remote Sync (Rsync): Best Practice
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FTP backup can allow for your NAS to be used as a backup destination or backup source.
When using your NAS as a backup source, you can choose to back up the data from your
NAS onto another remote ASUSTOR NAS or FTP server. When your NAS acts as a backup
destination, you can back up the data from another remote ASUSTOR NAS or FTP server
onto your NAS.
Reminder: If you wish to use FTP backup while using your NAS in conjunction
with another remote ASUSTOR NAS, please remember to enable the FTP server
feature on the remote NAS (Services -> FTP Server). For more information
please see FTP Server 2.2.4.
About FTP Backup
Normally, FTP backup is suitable for use with a majority of FTP servers. However,
incompatibility issues do arise from time to time. Therefore, it is recommended that you
use two ASUSTOR NAS units to execute your backup jobs.
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Note: This function may differ depending on the NAS model in use.
Using Cloud Backup, you can schedule regular backups of your NAS data to a cloud
storage space or back up the data from a cloud storage space onto your NAS. Currently
supported cloud storage services are as follows:
 Amazon S3
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Here you can choose to backup data from USB or eSATA external hard disks to your NAS
or backup data from your NAS to these external hard disks. In addition to supporting two-
way backup, this feature also supports scheduled backups, making sure that your data is
always backed up.