Milestone XProtect Enterprise 2014 Manuel d'utilisateur télécharger pdf (Page 35)

Milestone XProtect

Enterprise

2014

Administrator's Manual

www.milestonesys.com

First time use

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).

The UPS works as a battery-driven secondary power source, providing the necessary power for

saving open files and safely powering down your system in the event of power irregularities. UPSs

vary in sophistication, but many UPSs include software for automatically saving open files, for alerting

system administrators, etc.

Selecting the right type of UPS for your organization's environment is an individual process. When you

assess your needs, however, bear in mind the amount of runtime you require the UPS to be able to

provide if the power fails. Saving open files and shutting down an operating system properly may take

several minutes.

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.

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 a UPS (on page 208))

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

 Fire, water and more (avoid).

About saving changes to the configuration

As you set up your system, you must save any changes you make to the configuration in order for

these to be applied to the system. When you change the configuration in the Management Application,

for example in the Camera Summary or User Properties, a yellow notification bar informs you that

you have made changes to the configuration. The bar appears in order to make sure that your

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Milestone XProtect Enterprise 2014 Manuel d'utilisateur Page 35

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