qoute from the manual:
NASlite-2 storage disks can be set to act as mirror copies of other storage disks for the purpose of content replication or backup. Both local and remote disks can be mirrored. Mirrors can be set to sync once per day at any given hour. In order to designate a storage disk as a mirror, NASLite-2 requires three parameters as follows: 1. Remote IP address (example: 192.168.1.3). 2. Source disk name (example: Disk-2). 3. Mirror sync hour (example: 04) NASLite-2 Administration Utility Typical Mirror to Disk-N Screen The three necessary parameters are input on a single line and are separated with a slash (example: 192.168.1.3/Disk-2/04). If the mirror source is local, then the remote server IP address is omitted and a leading slash is used (example: /Disk-2/04). If the hour parameter is omitted, then 00 is assumed and the mirror will sync at the beginning of each new day. The NASLite-2 rsync service must always be enabled on a remote source. However it is not required for local mirroring or on a server hosting the destination mirror disk. Mirroring parameters are saved in a file named MIRROR at the root of the mirror drive. That file can be manipulated only via the NASLite-2 Administration Utility and cannot be deleted or tampered with manually. Seeing that file at the root of a storage drive is an indication that the disk is a mirror and that the content is a copy.
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