After using succesfully zope for some time I decided to cut a bit the
database size. So I went to Control Panel/Database and clicked "Pack"
for objects older than 10 days. At first everything seemed to work (I
returned to the management screen seeing new - smaller - Data.fs size),
but when I tried to preview my pages, terrible things happened - most
pages turned to be not available, instead of seeing them I saw zope
errors with useless descriptions like 'Zope error: error' etc
(restarting browser and zope did not helped).

Happily, during the process, the Data.fs.old file was created - stopping
Zope, removing all Data.fs.<sth> and overwritting Data.fs with
Data.fs.old returned zope instance to the previous state. So I will not
click 'Pack' anymore.

Has anyone notified similar problems? What could be going on?

I use binary zope 2.2.0 distribution for Linux. The database has been
created and always used with this distribution (just a few weeks ago)
and has never been packed. The time on the machine seem to be correct
(although IIRC there happened a moment a few weeks ago when it was for
the short time incorrect). I use some custom ZClasses installed as a
product developed within 'this' Control Panel/Products.

By the way: to decrease database size I consider:
- creating new Data.fs served via another (temporary) Zope instance (via
just copying
- exporting everything important from my current instance
- importing those files into new instance
- copying new Data.fs over the old one
(of course each Data.fs copying is performed while both Zope's are shut
Will it work as expected? Will I loose anything apart

-- Serwis dla programistów z kącikiem mieszkaniowym: 
| You have the right to change your mind, to substitute functionality,  
| and to change priorities. (Ken Beck's Third Customer Right)           

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