Computer system for managing storage areas in a plurality of...

Details Computer system for managing storage areas in a plurality of... Computer system for managing storage areas in a plurality of...

2006-10-03

2006-10-03

Padmanabhan, Mano (Department: 2185)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S006000, C711S206000, C711S207000

Reexamination Certificate

active

07117336

ABSTRACT:
The present invention, in a computer system where multiple computers share multiple external storage devices, is to control the external storage devices of different control methods in a unified manner. A storage managing program, which manages the storage areas in the unified manner, includes a device control library providing control programs to control the various external storage devices, and a device information database identifying the external-storage-device controlling programs, and manages the multiple external storage devices of different control methods: Also, when a host computer releases an unnecessary storage area, a LU that no host computers use is deleted in the external storage device, and managed as an unused area can be created a new LU.

REFERENCES:
patent: 5611069 (1997-03-01), Matoba
patent: 6779083 (2004-08-01), Ito et al.
patent: 2002/0029359 (2002-03-01), Kiyoi et al.
patent: 2002/0032835 (2002-03-01), Li et al.
patent: 2001142648 (2001-05-01), None

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