Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2011-02-01
2011-02-01
Baderman, Scott T (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S006130, C714S042000
Reexamination Certificate
active
07882386
ABSTRACT:
This invention is a system and a method for recovering and repairing a logical volume in a data storage environment using a new architecture. The method of recovering a logical volume enables mounting of a file system by instantiating only a single slice under the sparse volume and instantiating rest of the slices provisioned under the sparse volume in background by a asynchronous recovery process or on-demand by the clients of the file system issuing an I/O on the slice volume. The method of repairing a logical volume provides the ability to regenerate the metadata required to reconstruct the corrupted volume.
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Bhagwat Rahul
Bono Jean-Pierre
Potnis Ajay S.
Veeraswamy Sairam
Baderman Scott T
Butler Sarai
D'Angelo Joseph
EMC Corporaton
Krishnendu Kupta
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