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Adaptive failure survivability in a storage system utilizing save time and data transfer upon power loss
Adaptive failure survivability in a storage system utilizing save time and data transfer upon power loss
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机译:存储系统中的自适应故障生存能力可利用节省时间和断电时的数据传输来实现
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摘要
Maintaining failure survivability in a storage system includes determining a save time corresponding to an amount of time needed to transfer system data from volatile memory to non-volatile memory, determining a threshold corresponding to time for batteries to run while transferring data from volatile memory to non-volatile memory after a power loss, and providing an indication in response to the save time being greater than the threshold. The system may include a plurality of directors and the save time and the threshold may be determined for each of the directors. Determining a threshold may include determining an amount of battery time provided by battery power following power loss and multiplying the amount of battery time by a factor less than one, such as 0.8.
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