Checking storage reconfiguration

Details Checking storage reconfiguration Checking storage reconfiguration

2004-10-26

2008-09-23

Beausoliel, Jr., Robert W (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S042000, C714S047300, C711S114000

Reexamination Certificate

active

07428658

ABSTRACT:
A method for reconfiguring a storage system communicating with a host, consisting of the steps of formulating a proposed reconfiguration of the storage system from an original configuration, and generating a record of operations of the storage system during an evaluation period in the original configuration. In response to the record, the method further consists of making a determination whether data accessed by the host in the original configuration during the evaluation period would have been unavailable to the host if the proposed reconfiguration had been implemented prior to the evaluation period. In response to the determination, a decision is made whether to implement the proposed reconfiguration.

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