Systems and methods for saving critical data in a power loss are described. According to an embodiment of the present invention, the systems and the methods include: performing a write operation on a first track of a storage drive; monitoring a voltage level of the storage drive to detect a power loss on the storage drive while performing the write operation; identifying a track ID of a second track adjacent to the first track when detecting the power loss on the storage drive; and storing the identified track ID in a non-volatile memory on the storage drive.
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