Milestone XProtect Advanced VMS 2014 Manuel d'utilisateur télécharger pdf (Page 47)

Milestone XProtect

Advanced

VMS 2014

Administrator's Manual

www.milestonesys.com

First time use

Best practices

Protect recording databases from corruption

You can select which action to take if a camera database becomes corrupted. The actions include

several database repair options. While it is good to have such options, Milestone recommends that

you take steps to ensure that your camera databases do not become corrupted.

Hard disk failure: protect your drives

Hard disk drives are mechanical devices and are vulnerable to external factors. The following are

examples of external factors which may damage hard disk drives and lead to corrupt camera

databases:

 Vibration (make sure the surveillance system server and its surroundings are stable)

 Strong heat (make sure the server has adequate ventilation)

 Strong magnetic fields (avoid)

 Power outages (make sure you use an Uninterruptible Power Supply (UPS))

 Static electricity (make sure you ground yourself if you are going to handle a hard disk drive).

 Fire, water, etc. (avoid)

Windows Task Manager: be careful when you end processes

When you work in Windows Task Manager, be careful not to end any processes which affect the

surveillance system. If you end an application or system service by clicking End Process in the

Windows Task Manager, the process is not be given the chance to save its state or data before it is

terminated. This may lead to corrupt camera databases.

Windows Task Manager typically displays a warning if you attempt to end a process. Unless you are

absolutely sure that ending the process is not going to affect the surveillance system, click No when

the warning message asks you if you really want to terminate the process.

Power outages: use a UPS

The single-most common reason for corrupt databases is the recording server being shut down

abruptly, without files being saved and without the operating system being closed down properly. This

may happen due to power outages, due to somebody accidentally pulling out the server's power cable,

or similar.

The best way of protecting your recording servers from being shut down abruptly is to equip each of

your recording servers with a UPS (Uninterruptible Power Supply).

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Milestone XProtect Advanced VMS 2014 Manuel d'utilisateur Page 47