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System overview
You use VRM Video Recording Manager to organize video recordings in a CCTV system. This
involves recording video sequences that are provided in the system by an IP camera or an
encoder (for example a Dinion IP camera or VIP X1600) on iSCSI RAID arrays. Recordings
managed by the VRM system can be played back, exported and, if necessary, burnt to CD or
DVD using Bosch Video Management System or Bosch Video Client.
Video Streaming Gateway provides the integration of 3
rd
party cameras and NVR-like recording,
e.g. in low-bandwidth networks.
Caution!
For each device that you want to record, e.g. in low-bandwidth networks, via Video Streaming
Gateway ensure that the I-Frame distance has the maximum value 60.
Otherwise recording is not possible. For non-Bosch devices see the manual of the respective
camera how to perform this task.
iSCSI storage pools
As of VRM v.3.0, iSCSI storage pools are introduced. A storage pool is a container for one or
more iSCSI storage systems that share the same load balancing properties. The encoders / IP
cameras that are assigned to a storage pool, are recorded with these common load balancing
settings.
A storage pool can be used to have a logical mapping of the network topology to the VRM, for
example if you have two buildings, both containing storage and devices, you want to avoid
routing the network traffic from one building to the other.
Storage pools can also be used to group cameras and storage systems by an important aspect
of view. For example a system contains of some very important cameras and a lot of less
important ones. In this case it is possible to group them into two storage pools, one with a lot
of redundancy features and one with less redundancy.
You can configure the following load balancing properties for a storage pool:
– Recording preferences (Automatic or Failover)
– Secondary target usage
Secondary target is used in case of Failover mode if the assigned primary target fails. If
this option is turned off, the recording stops on all devices assigned to this failed primary
target.
In case of Automatic mode: if one target fails, VRM Server performs an automatic
reassign of the related devices to other storages. If VRM Server is down while a target
fails, the recording is stopped on the devices currently recording on the failed target.
– Block reservation for downtime
– Sanity check period
VRM Functions
The application comprises the following modules:
– VRM Server
– VRM Monitor
– Configuration Manager
– Video Streaming Gateway
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6 en | System overview Video Recording Manager
2013.01 | v1 | DOC Bosch Sicherheitssysteme GmbH