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Data protection is a growing concern for businesses of all sizes. Current solutions for data protection utilize Redundant Array of Independent Disks (RAID) technology in a variety of implementations and form factors. RAID enables a bunch of disks to be treated as one large volume and also protects data from internal component failures by making copies of data and rebuilding lost or damaged data. The most popular RAID levels are 0, 1 and 5.
What is RAID 6?
RAID 6 is defined as additional disk drive failure tolerance provided by a second independent distributed parity scheme. RAID 6 offers another level of protection that has been in existence for some time, but has, until recently, been available almost exclusively in proprietary devices. By using additional parity calculations, RAID 6 can protect mission-critical data from two concurrent disk drive failures. With the growth of disk array sizes, increasing disk densities and the introduction of Serial ATA (SATA,) drives (said by some to have lower reliability) into the storage market, the likelihood for two concurrent failures is increasing.
Accelerating RAID 6
Intelligent RAID solutions utilize an I/O subsystem, that is separate from the host CPU, to provide greater performance and reliability. Intel is delivering I/O processors with hardware accelerators that increase the performance and reliability of RAID 6 solutions. This RAID 6 acceleration is a part of the Intel� I/O Acceleration Technology that delivers improved performance and reliability for server systems.
Intelligent RAID solution providers
The companies listed below offer Intelligent RAID 6 solutions using the Intel� IOP331 and IOP333.
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