October 26, 2009

Parity

Mirroring is a data redundancy technique used by some RAID levels, in particular RAID level 1, to provide data protection…

Striping

The main performance-limiting issues with disk storage relate to the slow mechanical components that are used for positioning and transferring…

Duplexing is an extension of mirroring

Duplexing is an extension of mirroring that is based on the same principle as that technique. Like in mirroring, all…

Mirroring is one of the two data redundancy techniques used in RAID

Mirroring is one of the two data redundancy techniques used in RAID (the other being parity). In a RAID system…

Physical and Logical Arrays and Drives

The fundamental structure of RAID is the array. An array is a collection of drives that is configured, formatted and…