Method and system for sharing storage device via mutually differ

Details Method and system for sharing storage device via mutually differ Method and system for sharing storage device via mutually differ

1997-08-19

2000-09-05

Nguyen, Hiep T.

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

711112, 711149, 711162, G06F 1202

Patent

active

06115797&

ABSTRACT:
A first computer having a first interface connected to a backup storage device, and a second computer having a second interface differing in format from the first interface share a common storage device which can be connected to either the first interface or the second interface. The first and second computers are connected to the shared storage device via a storage device controller. In response to a data access command issued to the shared storage device by either the first computer or the second computer, the storage device controller converts a data address specified by the data access command to a data address used within the shared storage device. By using the data address obtained by the conversion, the shared storage device is accessed. The first computer creates, in the backup storage device, a backup of data stored in the shared storage device via the storage device controller.

REFERENCES:
patent: 5581743 (1996-12-01), Burton et al.
patent: 5664144 (1997-09-01), Yanai et al.
patent: 5724542 (1998-03-01), Taroda et al.
David Simpson "Data Sharing Unites Mainframes with Open System," Datamation, Feb. 1997, pp. 113, 114, 116, 120.
Tim Quellette, "Networked Storage Speeds Data Acess," Computerworld, Nov. 1996, pp. 1-2.

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