Universal RAID class driver

Details Universal RAID class driver Universal RAID class driver

2003-12-02

2010-06-08

Thomas, Shane M (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C719S325000

Reexamination Certificate

active

07734868

ABSTRACT:
A RAID class driver model enables users to easily combine two or more disks into a bootable RAID system without specialized disk controllers and allows the creation of RAID systems using disks of different types, controllers, and interfaces. A RAID class driver is initialized in response to the identification of a RAID controller. Disk controllers return RAID-specific device identifications, rather than a standard disk device identifications, for each disk to be included in the RAID system. The RAID class driver binds a RAID-specific functional interface to each disk having a RAID-specific device identification and combines the disks into a disk object representing the entire RAID system. The disk object provides the operating system with a standard disk device identification. The operating system loads a standard disk driver to interface with the disk object, thereby enabling transparent access to the RAID system.

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