Verification of non volatile storage storing preserved...

Details Verification of non volatile storage storing preserved... Verification of non volatile storage storing preserved...

2011-06-07

2011-06-07

Lamarre, Guy J (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S022000, C714S758000, C327S143000, C711S106000, C711S114000

Reexamination Certificate

active

07958432

ABSTRACT:
Non volatile storage may be employed to temporarily store data which is destaged to data storage drives. The non volatile storage is configured to preserve the data through a power outage. Some data may be preserved, but is not needed, such as the result of a failover to another non volatile storage. This unneeded data is tested to verify the non volatile storage by indicating whether the data survived the power cycle from full power to self refresh mode battery power to full power, without risking the loss of data that is needed.

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