Re: Corrupted file names

John Rose <[email protected]> writes:

> So I went into Windows and ran chkdisk and found that there was indeed
> and index problem with the above file. Once fixed everything syncs
> OK. I am not sure whether this file corruption problem happened at the
> same time as the similar ones reported on 20 February or later.

Thanks for continuing to look into this and figure out more about what
happened.

It is basically a 100% conclusion that user programs cannot cause file
system inconsistencies.

> Quite disturbing and annoying, still no clear idea about why it
> happened and what to do? Even if there is no direct incrimination of
> unison, perhaps it is possible that the high volume IO is enough to
> push the Ubuntu management of ntfs beyond its limit? I will post
> further news if the problem continues.


I think it is plausible that high-volume IO is troublesome while low
loads are not.  Any simllar sync program will neessarily call stat(2) on
efery file, and when actually syncing will read and write a lot.

My only thought (other than "Don't use windows at all." :-) is that
there must be filesystem exerciser/tester programs that do a large
number of operations, from multiple threads, and check the results.
You might find and run such a tool.

Greg

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