Multiple storage element command queues

Details Multiple storage element command queues Multiple storage element command queues

2006-08-08

2006-08-08

Moazzami, Nasser (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S151000, C710S040000, C710S240000

Reexamination Certificate

active

07089381

ABSTRACT:
A storage element pending command queue prioritization system using multiple pending queues each assigned to a particular RAID command type. Pending commands from each of the queues are organized in such a way that lower priority commands are guaranteed a fixed amount of storage element bandwidth. Storage element throughput is optimized by limiting higher priority commands to a maximum service level and processing lower priority requests with the added storage element bandwidth, allowing lower priority requests to exceed their minimum service levels.

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