Tuesday, 27 October 2015

chkdsk for Android



Android smartphones unfortunately crash very often, particularly when the battery goes empty. Sometimes they perform an orderly shutdown in time, but all too often they simply shut down hard. This is an old and well-known Android defect that nobody seems to want to fix.

What happens to the file system during such a crash? Assuming that the phone was just writing to a file when the system was shut down by the battery electronics, I guess the file system is spoiled.

Does Android perform something similar to chkdsk in Windows when it starts? How does it deal with interrupted file-writes?



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