Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2005-05-31
2005-05-31
Verbrugge, Kevin (Department: 2188)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S165000
Reexamination Certificate
active
06901480
ABSTRACT:
A method and apparatus for enabling an on-line reconfiguration of striped data in a disk array storage device. A replicated copy of the striped logical device is made in parallel with host operations. A logical device with a new configuration is then substituted for access by the host application even before any data is transferred to locations within the newly configured logical device. Independent processes operating in this disk array storage device reconfigure the data transparently to any host operations while accommodating host I/O requests directed to locations in the new configuration.
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Cohen Aviram
Don Arieh
Gagne Mathieu
Halligan Kenneth
Kedem Ishay
EMC Corporation
Herbster George A.
Verbrugge Kevin
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