A data storage system is provided comprising memory allocation information associated with a change in a system configuration of memory allocation within a memory space, and means for updating the system configuration by saving the memory allocation information before updating the system configuration. A recovery record comprises memory allocation information associated with the change in system configuration of memory allocation, and a completion indicator comprises a first value if the memory allocation information is included in the system configuration and comprises a second value if the memory allocation information is not included in the system configuration.

 
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