Migrating data in a storage system

Details Migrating data in a storage system Migrating data in a storage system

2007-11-27

2007-11-27

Peikari, B. James (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S161000, C711S112000, C711S170000, C714S006130, C714S005110

Reexamination Certificate

active

11111090

ABSTRACT:
A method of managing storage comprises connecting a number of virtual disks to a disk controller loop of a disk controller, and mounting a portion of the number of virtual disks to the disk controller wherein a storage map is loaded into a fixed-size memory of the disk controller for each virtual disk mounted. The method further comprises receiving a request for data contained on an unmounted virtual disk with the unmounted virtual disk having a storage map of certain size. A sufficient number of mounted virtual disks are dismounted to allow the fixed-size memory to accommodate the certain size of the unmounted virtual disk storage map. The unmounted virtual disk may be mounted.

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