Milestone XProtect Enterprise 2014 Manuel d'utilisateur Page 126

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Milestone XProtect
®
Enterprise
2014
Administrator's Manual
www.milestonesys.com
126
Advanced configuration
You want to receive any notifications regarding one or more cameras.
Archiving takes place.
PTZ cameras should patrol, and according to which patrolling profile
About archiving
Archiving is an integrated and automated feature with which recordings are moved to free up space for
new recordings. By default, recordings are stored in the database for each camera. The database for
each camera is capable of containing a maximum of 600,000 records or 40 GB. Your system
automatically archives recordings if a camera's database becomes full. Consequently, having
sufficient archiving space is important.
You do not have to do anything to enable archiving. It runs in the background and is automatically
enabled and carried out from the moment your system is installed. The most recent recordings are
saved on a local storage in order to prevent network-related problems in the saving process.
The default settings for your system is to perform archiving once a day, or if your database becomes
full. You can change the settings for when and how often archiving takes place in the Management
Application. You can also schedule archiving up to 24 times a day, with a minimum of one hour
between each one. This way, you can proactively archive recordings, so databases never become full.
The more you expect to record, the more often you should archive.
You can also change the retention time, which is the total amount of time you want to keep recordings
from a camera (recordings in the camera's database as well as any archived recordings) under the
properties of the individual camera.
Your system automatically archives recordings if a camera's database becomes full. You only specify
one time limit (the retention time) as part of the general Recording and Archiving paths properties.
Note that retention time determines when archiving takes place. Retention time is the total amount of
time for which you want to keep recordings from a camera (that is recordings in the camera's database
as well as any archived recordings).
Backup of archives
Milestone does recommend that you create backups based on the content of camera databases as it
may cause sharing violations or other malfunctions. Instead, create backups based on the content of
archives. If you have not specified separate archiving locations for separate cameras, you could back
up the default local archiving directory, Archives.
Important: When you schedule a backup, make sure the backup job does not overlap with any
scheduled archiving times.
If archiving fails
Under rare circumstances, archiving may fail, for example due to network problems. However, in
XProtect Enterprise this does not pose a threat. XProtect Enterprise creates a new database and
continues archiving in this new database. You can work with and view both this new database and the
old one like any other databases.
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