Method and apparatus to maintain data integrity in disk...

Details Method and apparatus to maintain data integrity in disk... Method and apparatus to maintain data integrity in disk...

2011-06-14

2011-06-14

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S018000, C714S019000, C714S024000, C714S036000

Reexamination Certificate

active

07962785

ABSTRACT:
A volatile or nonvolatile cache memory can cache mass storage device read data and write data. The cache memory may become inaccessible, and I/O operations may go directly to the mass storage device, bypassing the cache memory. A log of write operations may be maintained to update the cache memory when it becomes available.

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