Storage network management server, storage network managing...

Details Storage network management server, storage network managing... Storage network management server, storage network managing...

2004-11-16

2009-11-17

Ngo, Ricky (Department: 2416)

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

C370S252000

Reexamination Certificate

active

07619965

ABSTRACT:
In a system which manages path information and status of network with respect to a path being used for access to a storage apparatus and has a redundant path, when a fault occurs in the network, whether or not the path can be recovered by rerouting in network apparatuses is discriminated, thereby performing proper path switching. Construction information and the path information of the network are managed as information of the path which is being used for a storage access by a management server. Further, when the access path is made redundant, the management server obtains fault information in the network and information showing whether or not the path is being reconstructed from the network apparatuses, thereby discriminating the necessity of the path switching. If the path switching is necessary, the management server notifies a host computer and the storage apparatus of it and each apparatus executes a switching process.

REFERENCES:
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patent: 7075889 (2006-07-01), Shiozawa
patent: 2002/0143999 (2002-10-01), Yamagami
patent: 2004/0024870 (2004-02-01), Hirata
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patent: 2005/0111350 (2005-05-01), Kano
patent: 2005/0152269 (2005-07-01), Liu

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