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RAID 0 RAID Data Recovery Systems

I Raid ( Redundant Array of Independent Disks ) first patented by IBM in 1978, a computer system that uses a set of hard drives for share or replicate data.
The goal of these systems and to improve performance in terms of speed, integrity and security of data over a single hard drive.
In its simplest configuration, a RAID system allows you to configure a set of drives so that they are seen as a single logical unit by the operating system also
RAID, however, are subject to logical errors and physical damage they are also composed of hard disk drives.

There are different types of RAID:

• Raid 0 Raid 1 Raid 2
• Raid 3 Raid 4 Raid 5
• Raid Raid 6 7
• Raid 10 (1 +0)
• Raid 15 (1 +5)

The process of data recovery raid on systems is extremely complicated nature .... a little more information below ....

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Data Recovery Raid

A Redundant Array of Independent Disks ("redundant array of independent disks, RAID) is a computerized system that uses a set of hard drives to share or replicate the information.

The benefits of RAID are to enhance data integrity, fault tolerance and / or performance, than using a single disk.
In its simplest level, RAID allows you to combine a set of disks in one logical unit.

In this way the operating system, instead of seeing different disks, it sees only one. The
RAID is typically used in servers, and is usually implemented with the same capacity disks.
With the decline in the cost of hard drives and RAID technology, with the spread in motherboard chipsets, RAID is often offered as an option on both the high-end computers and on those used by home users, especially if spent on tasks that require a large data storage, such as audio / video editing.

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Small Computer System Interface

The SCSI (acronym for Small Computer System Interface) is an interface standard designed to achieve the transfer of data between various devices inside a computer (called devices) interconnected by a bus. SCSI should be delivered using the Anglo-Saxon spelling (eg the example is similar to the pronunciation of the name of the show CSI), but a widespread practice as wrong, as is often Italianate SCASI .

To connect a computer to a host bus connection requires a SCSI host adapter that handles the data transfer on the bus. The device must have a SCSI controller, which is usually embedded in all devices, except those of older design. The SCSI interface is mostly used for communication with units hard disk and tape drives, mass storage, but also for connecting a wide range of devices, such as image scanners, readers and writers of CD (CD- R and CD-RW), DVD players. In fact, the SCSI standard was designed to encourage intercambiabiltà and compatibility of the devices (all, at least in theory). There are also SCSI printers.

In the past, the SCSI interface was very common in all types of computers, while currently only is widely used in workstations, servers and peripherals range high (ie high performance). Desktop computers and poratili are usually equipped with ATA / IDE (Advanced Technology Attachment respectively and Integrated Drive Electronics) for the gl hard disk and the USB interface ( Universal Serial Bus) to other commonly used peripherals. These interfaces are slower than SCSI, but also cheaper. Note that the USB uses the same SCSI command set to implement some of its features.