What is a fake transaction id in hammer

[Siju George]

On Tue, Apr 20, 2010 at 4:07 PM, Alexander Polakov <polachok at gmail.com> wrote:
> 2010/4/20, Siju George <sgeorge.ml at gmail.com>:
>> Hi,
>>
>> I got this output while trying to find out the revisions of a file.
>> What is a fake Transaction ID? Is it harmful?
>
> From undo(1) (man, do you use it?)
>
> DIAGNOSTICS
>     Warning: fake transaction id 0x...  While locating past versions of the
>     file, undo came across a fake transaction id, which are automatically
>     generated by hammer(5) in case the file's directory entry and inode got
>     bisected in the past.
>

Thanks Alex :-)

But It would be great if you could explain it to me.
What should I do with the fake transaction IDs?

>> Also how do I check if the hammer file system has errors? Is there any
>> utility for that?
>
> http://leaf.dragonflybsd.org/mailarchive/users/2010-04/msg00146.html
>

Thanks :-)

--Siju