What about permissions on the Data.fs?  If ZEO could not write the Data.fs
but could maintain the persistent cache, that would explain what you 
observed.  


On Mon, 1 May 2006, Jim Fulton wrote:

> Michael Havard wrote:
> > We're missing 16 days worth of content.
> > 
> > Python 2.3.5, Zope 2.8.4, Plone 2.1.2, and a host of other products. ZEO
> > configuration. Persistent disk caching is on.
> > 
> > Yesterday everything was fine. All the content was there and accessible.
> > Today I try to log in and the server doesn't respond. I go out and restart
> > the zope client, still no response. I restart the zeo server and the site
> > delivers content. Problem! The content is from two weeks ago. All of the
> > content from the last 16 days is missing. Thinking maybe someone restored
> > from an older backup I went out to our daily backups and pulled the previous
> > days data.fs backup. A restore didn't work. It still shows the outdated
> > content. I went out to look at the backups again and noticed that the date
> > on the data.fs was 4/14 while the date on data.fs.tmp was 4/26. data.fs.tmp
> > is a 9 meg file.
> 
> If I had to guess, I would guess that, at some point, someone removed
> Data.fs and restored it from backup without restarting the process.
> If that happened, the process would still be writing to the removed
> database.  That's just a wild guess.  I wonder if the Data.fs file matches
> a backup made on the 14th.
> 
> > Is the missing content somehow captured in data.fs.tmp or is it somewhere
> > else that I can retrieve it?
> 
> Unlikely.
> 
> Jim
> 
> 

-- 

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