Storage configuration recovery method and storage management...

Details Storage configuration recovery method and storage management... Storage configuration recovery method and storage management...

2011-08-30

2011-08-30

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

08010836

ABSTRACT:
When failure occurs in a virtualization apparatus in storage network circumstances in which the virtualization apparatus is operated, a storage management server judges volume position information, cache configuration information and pair configuration information which are configuration information of the virtualization apparatus and external storage collectively to decide candidates of recovery methods of volume and candidates of recovery methods of data in the volume, so that construction of a physical volume and a pair and recovery of data are performed and an access path is then changed to the recovered physical primary volume. Consequently, change to the system configuration in which operation is performed without passing through the virtualization apparatus can be made in a short time and continuous operation can be attained.

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