RAID Technology

The RAID is actually a technology which is implemented with the intellectual capability to improve the performance of the system. There are many types of RAID drives available. But most of the drives originally will have the same properties as those of its types. The technology that is used for the a typical RAID drive is that, data is duplicated and stored, using the mirroring and the redundancy of the data is carried out by using the parity check. This technique eventually increases the performance of the system and finally leads to a reliable system. Considering the different types of the RAID system; they include the following: RAID 0, RAID1, RAID 1+0, RAID 2, RAID 3, RAID 4, RAID 5, Adaptive RAID, and RAID 6.

The mirroring is the process where in the data is duplicated on the two drives. The same copy of the data is kept on two different systems. The data mirroring helps a lot where there is the disk failure. It may also help when the system crashes considerably. The process of evolving the mirroring is the logic of keeping the copy of the data on the two different drives. This makes the sense when one of the drives crashes and if there is any problem accessing the data from one drive. The other storage drive is always there to provide the backup.

Hence the process of mirroring ensures that there is security involved in the duplication of the data. More over the problem of data backup and data recovery from any system crash is also solved. The mirroring also helps in maintaining the credibility of the system. The reliability and the performance also have the rise. The fault tolerant systems provide a lot of reliability in the case of a system crash or disk failure.

In such case that is if one drive fails and the other is still running well, the RAID controller automatically rebuilds the data from the other devices and restores the same to the crashed system. This is done according to the importance and the credibility of the data that was crashed. The backup may be essential. The important noticeable thing is that the RAID controller is so designed so as to restore the data automatically from the other systems.

The data is restored back and the system works wells as usual. If the other drive that is crashed is completely not recoverable or has sustained some major damage or there is some sort of physical corruption then the process may proceed to form a solution in altogether different way. There may be a slight change in the technological implementations of the different types of RAID but almost the typicality remains the same. A brief description is provided below describing the technology used in the different types of RAID.

RAID 0:

The technology used is that of disk stripping.

RAID 1:

The technology used is that of disk mirroring.

RAID 1+0:

The technology used is that of disk mirroring plus disk stripping.

RAID 3:

It is implemented using the technology called the parity disk.

RAID 4:

The technology is so implanted for the specific reason of sequential data access.

RAID 5:

It uses the disk stripping with the parity.

Adaptive RAID:

Adaptive to different types of RAID controllers.

RAID 6:

It uses the technology of 2 parity stripes.

Data Recovery Software - RAID Recovery

More Information
RAID 0
RAID 1
RAID 1+0
RAID 5
Adaptive RAID
Different RAID Levels
RAID Configuration
RAID Advantages
RAID Reliability Issues
Bad RAID Parity
RAID Concept
RAID Controller
Software Vs Hardware RAID
Quantum DX30 Drives
IBM Servers RAID
IDE RAID Controllers
Fibre Channel
RAID SATA Data Loss
SCSI Interface
Hot Swapping
Storage Controllers
Western Digital RAID Drives
Technical Factors RAID
NAS Servers
Storage Area Network

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