Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2007-01-03
2010-06-08
Beausoliel, Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C707S793000, C711S117000, C711S162000, C714S006130
Reexamination Certificate
active
07734954
ABSTRACT:
An object in a tier of a multi-tier virtual storage system is saved while the storage system is active. The object to be saved in an upper-level tier in the multi-tier storage system is identified. Servers associated with lower-level tiers below the tier containing the object to be saved to obtain the latest data stored in the respective associated tiers, use temporary storage to store the obtained data and handle any modifications to the obtained data, and cause applications running in the respective tiers to quiesce. Once a copy of the identified object is made, the servers associated with the lower-level tiers are instructed to obtain the data from the temporary storage and resume quiesced applications running in the respective tiers.
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“System i Operating Systems”, Nov. 17, 2006 http://222-03.ibm.com/systems/i/os/.
Davis Kristan D.
Haze Thomas L.
Koch Andrew T.
Lucke Kyle A.
Thompson Martin J.
Beausoliel Robert
Cantor & Colburn LLP
International Business Machines - Corporation
Lottich Joshua P
Nock James R.
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