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These are the various RAID configurations as used in calculating RAID capacity in our calculator above. A detailed list of RAID levels supported by our tool follows. RAID levels greater than RAID 0 provide protection against unrecoverable sector read errors, as well as against failures of whole physical drives.
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Check the graphs below the levels table for visuals. Parity uses the XOR operation to allow information to be restored in case of a drive failure. The techniques to achieve that are: mirroring, in which identical data is copied onto more than one drive striping, which partitions each drive's storage space into units ranging from a sector up to several mb parity - in which information is striped across each drive, allowing the RAID to continue working even if one drive were to fail. Each RAID level provides a particular balance across several variables: reliability, availability, performance, and capacity. The particular configuration depends on the required level of performance and redundancy. In a RAID data is distributed among the drives (could be HDD or SSD) in one of several ways called RAID levels. This argument was proven right, the business case for RAID exists, and need for RAID calculator solutions arose. in 1987-1988 when they argued that an array of cheap magnetic disks can outperform the top performing mainframe drives of the time. The term was coined in a paper by Patterson at.al. The purposes is to provide data redundancy, performance improvement, or in certain cases: both. RAID (stands for Redundant Array of Independent Disks, originally Redundant Array of Inexpensive Disks) is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units. These can help you decide if the selected configuration is right for your particular case - be it for a server or a workstation. On top of RAID capacity, this calculator outputs metrics such as redundancy factor, price per usable TB/GB, as well as read and write speed gains.
#3par ssmc convert raid type software#
dollars, you can enter any currency and get the same one in the ouput since the RAID calculator software does not do any currency conversions. Various types of data units are supported for input, and while the cost is indicated in U.S. The calculator supports over the 10 major types of RAID setups.
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The calculator inputs are straightforward: RAID type, drive capacity, cost, drives per RAID and number of RAID groups.