Wednesday 27 February 2013

Basics of RAID

By Dean Miller


I express RAID generally does the following, as there are plenty of configurations that come with different solutions to redundancy, however, many configurations are certainly not redundant at all.

The number of hard drives required is dependent on this construction chosen, as described in the future.

I mention your requirement for matched hard disks, and although marriage ceremony absolutely necessary, it is recommended. Most arrays will still only be able to use the capability of the drive, so when a 146 GB 10000 RPM Hard Drive is used with a simple configuration with the 80GB Hitachi drive, that increased 170GB would possibly go to help you waste.

This type of system can be run on any type of hard drive, including 300GB Hard DISK Drive WITH TRAY . Additionally matching sizes, it is immensely important that moves match concerning speed and transfer rate for the reason that performance with the array may be restricted with the weakest drive used. One more area that needs to be considered while matching is the type of hard get. SCSI controllers are typically for as well SCSI, SATA, and ATA especially, although several systems make it easy for arrays to be operated across controllers involving different formats.

The controller is in which the data cables with the hard drives are connected, and conducts all of the processing in the data, like the typical drive connections found on a motherboard. SATA controllers are offered as add on cards, in this way Silicon Graphic PCI ATA controller, or incorporated into motherboards, for example SATA controller located on the Asus K8V SE Deluxe. Motherboards offering the controllers can be operated without the use of SATA, but the integration is mostly a nice feature to experience if it can be a consideration. Even for platforms without on board, the relatively low cost of add on cards helps make this the main upgrade relatively pain free.




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