Wincor Nixdorf BEETLE AT COM Board Manuel d'utilisateur télécharger pdf (Page 38)

32 BEETLE /M-II plus (BOS) User Manual

RAID Controller (optional)

RAID stands for «Redundant Array of Independent Disks». This is a method

to interconnect several data carriers, e.g. to store data redundantly or to in-

crease data throughput. By creating such a data redundancy a system can

be recovered e.g. after a hard disk failure.

There are different ways to create data redundancy. These ways are classi-

fied by RAID levels.

The RAID Controller used in the BEETLE /MII-plus (BOS) supports the RAID

level 1. With this method data will be mirrored i.e. data will be stored on two

independent data carriers (Hard Disk 1 and 2).

The advantage of this procedure is a complete data security.

Instead of a RAID onboard controller you optionally can use the RAID Con-

troller. This Controller supports the data maintenance on two hard disks. Ad-

ditionally, the web-based “Promise Array Management Software (WebPAM)

offers a user-friendly management for operating and setting-up the hard disk

arrays.

The system-specific parameters are stored on the hard disks and facilitate

the data migration in case a change of hardware should be necessary.

If a hard disk fails you will hear an acoustic signal which only can be

stopped by changing the hard disk! However, you can switch-off the

signal via software setting.

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Wincor Nixdorf BEETLE AT COM Board Manuel d'utilisateur Page 38