United Technologies TruVision SVR Guía de usuario descargar pdf (Pagina 11)

TruVision SVR System User Guide 11

Digital Video Prerequisites

Time Synchronization

For digital video system to work properly, time must be synchronized on all computers. Third-party

tools are available to synchronize times across multiple time zones. If no NTP source is available,

TruVision Navigator server can be used as the NTP server.

Anti-Virus Software

If this type of software is required (due to corporate policy, for instance), then you must adhere to the

following guidelines:

• For Real-Time protection, you must exclude all files with the extensions .SPFS, .INFO, .LVI,

.LEI, and .LNR.

• For Real-Time protection and virus scan, you must exclude the data drives.

Windows Updates

When running Windows updates, be aware that they require a full shut down of your computer. Make

sure that these updates are scheduled to run when either recording will not be necessary or when

backup or fail over systems are properly configured and running.

Storage File Purging

If the system runs out of hard disk space while the system’s cameras are configured for storage

capacity, the oldest video files are deleted regardless of what camera they are on. In addition to video

files, TruVision SVR content is stored in separate tracks that contain information on the index, video

status, and events.

This can lead to potentially problems if not accounted for. For example, consider a case where the

retention policy is set to five days for all channels, except for one channel which is configured for a

30-day retention policy. The reclamation logic will reclaim files for the channel with 30 day retention

that are 6-30 days old before reclaiming files from any other channel. This would significantly affect

the amount of video that would be stored for the 30 day retention channel.

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United Technologies TruVision SVR Guía de usuario Pagina 11