[Zope] Re: ZODB corruption

Tres Seaver tseaver at palladion.com
Tue Jun 6 15:36:54 EDT 2006


Rick Smith wrote:
> Deep in the mists of time I guess that the server's time was wrongly set 
> for a short period leading to 4 transactions in the database having a 
> later time stamp than subsequent transactions.  This caused no problems 
> in operation apart from an inability to pack and a failure in ZCatalog.
> 
> As a trial I patched the errant transactions' tid to bring them back 
> into the correct range and everything now appears to be in order, I have 
> successfully packed and cataloged the db.
> 
> Can anyone see any reason why I should not continue to run like this or 
> is there a possibility that I have introduced a corruption which will 
> come back to bite me......?

You might try running the 'migrate.py' script on the original Data.fs 
and see if its fixups are equivalent.  Also, try running the various 
diagnostic scripts against your hand-patched version ('fstest.py', 
'fsrefs.py', etc.)


Tres.
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Tres Seaver          +1 202-558-7113          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com



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