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VIVOTEK - A Leading Provider of Multimedia Communication Solutions
User's Manual - 227
Appendix E Database Merge Function
The Database Merge function applies in the following scenario:
1. A VAST server A failed or was intentionally depleted. The precondition is that the disk drives
containing the recordings remain intact. Server B must also have the conguration prole of
the Server A.
VAST server B
VAST Server A
Network Cameras
LAN
DB
Recorded
videos (default path)
DB
Recorded
videos
Failed
Taken over
Recovery path
2. The VAST server B is used to continue video recording. The previous recordings on server A
can be retrieved by attaching the hard disk(s) to server B or manually copying to a storage
device on server B. You can then designate the location of these files as the "Recovery
path" from server B. An administrator can then use the VAST software to access the past
recordings.
• It is
IMPORTANT
to move or copy the entire storage group folder, e.g.,
D:/recording/2016-
06-17/1-FE9181-H..., which is a root directory congured by VAST server as the recording
folder. The default recording folder contains file folder structure, video files, and database
metadata. If you copy the video les only, the database data will not be synchronized, and
you will not be able to access the recordings.
• The video streams received from cameras will not be recorded on to the Recovery path
folder. It is designed to maintain previous recordings. The Recovery path folder becomes
static.
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