buffindexed overview corruption, INN 2.3.2, Linux

Harald Welte laforge at gnumonks.org
Sun Jan 13 09:52:02 UTC 2002


Hi!

I'm running three INN newsservers on Linux boxes.

On all three of them, I regularly experience overview corruption:
===================
-n  9 06:19:17 elvis expireover[13660]: buffindexed: ovgroupmmap ovbuff is null(ovindex is 13367, ovblock is 926430001             
Jan  9 06:19:17 elvis expireover[13660]: buffindexed: could not open overview for 'alt.anonymous.messages'  
Jan  9 06:20:54 elvis expireover[13660]: buffindexed: ovgroupmmap ovbuff is null(ovindex is 13617, ovblock is 859189810              
Jan  9 06:20:54 elvis expireover[13660]: buffindexed: could not open overview for 'alt.atheism'             
Jan  9 06:25:52 elvis expireover[13660]: buffindexed: ovgroupmmap ovbuff is null(ovindex is 12339, ovblock is 942748212
Jan  9 06:25:52 elvis expireover[13660]: buffindexed: could not open overview for 'alt.binaries.pictures.movie-posters'
Jan  9 06:38:26 elvis expireover[13660]: buffindexed: ovgroupmmap ovbuff is null(ovindex is 12857, ovblock is 808794418
Jan  9 06:38:26 elvis expireover[13660]: buffindexed: could not open overview for 'alt.conspiracy'     
Jan  9 06:40:16 elvis expireover[13660]: buffindexed: ovgroupmmap ovbuff is null(ovindex is 14644, ovblock is 959591475    
Jan  9 06:40:16 elvis expireover[13660]: buffindexed: could not open overview for 'alt.current-events.clinton.whitewater'
Jan  9 06:50:56 elvis expireover[13660]: buffindexed: ovgroupmmap ovbuff is null(ovindex is 2354, ovblock is 943273785- 
===================

This is just an example. 

After rebuilding the overview (using makehistory -O) the errors are gone, but
after  a couple of days the first errors appear again. They get more and more
over time, and then I rebuild the overview again :(

The machines all have different configurations.  The biggest machine is 
a P3-650 with about 200GB cycbuffs on hardware-raid  and 20GB overview running
a 2.2.18 kernel.

The two other boxes are small newsservers for personal use (less than one GB
traffic per day), running 2.4.x kernels and cycbuffs/buffindexed on cheap
IDE drives.

Any idea what might cause the overview corruption?  Some time ago I've already
read through the source and found that ovindex should be an index to the
first field in buffindexed.conf.  I don't have more than 10 entries in
buffindexed.conf, so the four to five-digit values stated in the error
messages are indeed completely bogus.

The problem is _not_ crash-related!

--
Live long and prosper
- Harald Welte / laforge at gnumonks.org               http://www.gnumonks.org/
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