Method and system for saving critical data in the event of power loss
A technology of power loss and storage system, which is applied in the direction of electric digital data processing, input/output process of data processing, data recording, etc., and can solve problems such as power loss
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[0022] The following generally relates to preserving critical data upon loss of power. In one embodiment, the present systems and methods detect a loss of power on the storage device, and when a loss of power is detected, store a predetermined amount of data in the non-volatile memory of the storage device.
[0023] In some embodiments, power loss may occur while an operation (eg, reading, writing, erasing, trimming, or any combination thereof) is being performed on the storage device. In some cases, a drive failure may occur when a loss of power occurs while the storage drive is performing operations. For example, when a power loss occurs while the storage drive is performing a write operation, the storage drive may time out because, after power is restored, the storage drive attempts to verify corrupted data on the track that was written to during the write operation. The tracks are adjacent. Once power is restored, the storage drive can verify the data written to the trac...
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