Method and apparatus for copying data between storage...

Details Method and apparatus for copying data between storage... Method and apparatus for copying data between storage...

2005-08-16

2005-08-16

Padmanabhan, Mano (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S114000, C711S161000, C711S162000, C711S168000, C711S170000, C711S201000, C714S006130, C707S793000, C715S252000

Reexamination Certificate

active

06931499

ABSTRACT:
The present invention provides systems and methods for copying and/or transferring stored data of one storage volume of a storage system to another storage volume while enabling requests to the storage volumes. The systems and methods may be particularly useful in RAID storage systems. One system includes a detector configured for detecting an amount of the stored data copied from the one storage volume to the other storage volume based on a boundary marker of the storage volumes. The boundary marker may indicate an amount of the stored data copied from the one storage volume to the other storage volume. A processor is communicatively connected to the detector for processing requests to the storage volumes according to rules based on the boundary marker. A file generator may generate a log file of the requests. The log file may be stored in the other storage volume thereby minimizing a need for external storage devices.

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