Storage system and management method of the storage system...

Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing – Network resources access controlling

Reexamination Certificate

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Details

C709S212000

Reexamination Certificate

active

07155527

ABSTRACT:
The present invention enables a disk controller to make consolidated management of a great number of drives connected to a network provided within a disk subsystem and makes it possible to allocate drives to an external apparatus that needs to use some drives and connects to a network so that the external apparatus can use the drives allocated to it. The disk subsystem includes the disk controller and drives connected via a device area network and allocates one or more drives in the subsystem to an external apparatus that needs to use some drives (such as a disk controller of another disk subsystem or NAS). The external apparatus that needs to use some drives can directly connect to the above network within the subsystem. The disk controller is provided with a device allocation table and manages the allocation of the drives to external apparatuses that can use the drives. The disk controller also manages the configuration of the devices connected to the above network. The external apparatus, to which one or more drives have been allocated, directly accesses the drive or drives via the network.

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patent: 2005/0050240 (2005-03-01), Wilkins et al.
patent: 2006/0031649 (2006-02-01), Murotani et al.
patent: 11-296313 (1999-10-01), None

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