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It should not be used for mission-critical systems. If one drive fails, all data in the RAID 0 array are lost.

All storage capacity is used, there is no overhead.

There is no overhead caused by parity controls.

RAID 0 offers great performance, both in read and write operations.

This performance can be enhanced further by using multiple controllers, ideally one controller per disk. By using multiple disks (at least 2) at the same time, this offers superior I/O performance. In a RAID 0 system data are split up into blocks that get written across all the drives in the array. This is often done for drives that contain swap files or spooling data.īelow is an overview of the most popular RAID levels: RAID level 0 – Striping This means that those disks do not use a specific RAID level and acts as stand-alone disks. Sometimes disks in a storage system are defined as JBOD, which stands for Just a Bunch Of Disks. RAID-systems can be used with a number of interfaces, including SATA, SCSI, IDE, or FC (fiber channel.) There are systems that use SATA disks internally, but that have a FireWire or SCSI-interface for the host system. Hardware RAID controllers cost more than pure software, but they also offer better performance, especially with RAID 5 and 6. Some versions of Windows, such as Windows Server 2012 as well as Mac OS X, include software RAID functionality.

The software to perform the RAID-functionality and control the drives can either be located on a separate controller card (a hardware RAID controller) or it can simply be a driver. RAID 10 – combining mirroring and striping.This article covers the following RAID levels: This explains why companies sometimes come up with their own unique numbers and implementations. These are not standardized by an industry group or standardization committee. There are different RAID levels, each optimized for a specific situation. These can be hard discs, but there is a trend to also use the technology for SSD (Solid State Drives). A RAID system consists of two or more drives working in parallel. The abbreviation stands for either Redundant Array of Independent Drives or Redundant Array of Inexpensive Disks, which is older and less used.

RAID is a technology that is used to increase the performance and/or reliability of data storage.

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