Does anybody know the best way to check that a filesystem is healthy?
I'm working on a light selfcheck script (to be ran once a minute) and
creating a file and checking it's existence may not work because of
write caching. Checking the mount status is probably better but I don't
know. I've had full filesystems and once the kernel detected an error
and remounted read only. Other times, when a drive in the raid array was
slowly failing, it would hang on all IO for a spell.
If there's an existing source module or a script somebody is aware of
that would be great.
thanks
scottb
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