[ZODB-Dev] incorrect previous pointer?

[Dieter Maurer]

Andrew Sydelko wrote at 2004-2-16 14:10 -0500:
>Starting up a ZEO server today (Zope 2.6.4, ZODB 3.1.5) gave me a bunch of
>the following errors. Can I get an explanation as to what exactly they mean
>and whether they are bad.

Search the source code for the "incorect previous pointer" string.
This will explain what the warning means.

I expect this is not a good sign.

If you do not already do, then start making regular backups.

>And what is the proper way to fix them?

You may try "fsrecover". I expect (though I am not sure) that
it will fix the problem (maybe with data loss -- you made a backup?).


>2004-02-16T14:07:33 PROBLEM(100) ZODB FS FS21  warn: /data/www/Zope.test.264/Zope/var/Data.fs incorrect previous pointer at 5436029094
> ...

-- 
Dieter