Restoring watermark?

[Joern Bredereck]

Hello,

During the Debian upgrade vom Woody to Sarge, INN was being upgraded from 
2.3.x to 2.4.x.

The upgrade itself was fine, but the expire cron job this morning messed 
up my local news archives. :-(

It seems that the lowwatermarks of my local archive newsgroups have been 
modified. The article files are still intact (I'm using tradspool):

bastian:/var/backups/news# ls -l /var/spool/news/rme-audio/forum/ | wc -l
50554

200 bastian.bw-networx.net InterNetNews NNRP server INN 2.4.3 (20050407
prerelease) ready (posting ok).
group rme-audio.forum
211 40 51414 51453 rme-audio.forum


But the watermark points to 51414 which leaves 40 articles available
in that archive. :-(

Question: How can I reset the watermark, so that all ~50000 articles are 
available again?

And how can I prevent expire to mess up the watermarks again?

For this newsgroup my expire.ctl looks like this:

rme-audio.*:A:never:never:never

Here is the output of the expirejob from this morning:

Expire messages:
expireover start Wed Jun  8 04:15:25 CEST 2005: ( 
-z/var/log/news/expire.rm
-Z/var/log/news/expire.lowmark)
     Article lines processed    51933
     Articles dropped               0
     Overview index dropped         0
expireover end Wed Jun  8 04:53:19 CEST 2005
lowmarkrenumber begin Wed Jun  8 04:53:19 CEST 2005:
(/var/log/news/expire.lowmark)
lowmarkrenumber end Wed Jun  8 04:53:19 CEST 2005
expire begin Wed Jun  8 04:53:49 CEST 2005: (-v1)
     Article lines processed    45098
     Articles retained          42171
     Entries expired             2927
expire end Wed Jun  8 04:56:28 CEST 2005
         all done Wed Jun  8 04:56:28 CEST 2005


Thanks in advance for any help!

Joern