4.9 GB Art repo not recovering afert 1.1.4 upgrade to 1.2.0

Hello to all, you have a wonderful product that my team has been
enjoying during our Game development. We started using it from Oct
2004 on, but have run into a little bit of a bump on only one of our 7
repos, which is our largest. So keep in mind that 6 repos are running
fine, all created in the same way except for the DB_CONFIG file which
had to be changed once we grew into the GB size range.

Server System specs:
MS XP Professional Version 2002 Service Pack 2
2 procs running 1.73 Ghz AMD MP 2100+
1.00 GB of RAM
36.2 GB free disk space or the repo drive (F:)
2.57 GB free disk space on the OS partition (C:)

----
CPU at 18%
Memory Free 70%
Running:
svnversion, version 1.2.0 (r14790)
  compiled May 22 2005, 22:40:26
Client:
TortoiseSVN client 1.2.0
DB_CONFIG file:
set_lk_max_locks   2000
set_lk_max_lockers 2000
set_lk_max_objects 2000
set_lg_bsize     2097152
set_lg_max      8388608 
set_lg_regionmax 262144
set_cachesize 0 8388608 8
set_flags DB_LOG_AUTOREMOVE
Problem: (might be my db config)
We recently moved our 4.9 GB Berkly DB (revisions were up to 845) over
from SVN 1.1.4 to the new 1.2.0
Quickly we found that the Berkly DB that is packaged was an upgrade so
we follow the how-to steps provided on your site, which were very
helpful.
 - svnadmin recover
 - we backed up our db
 - svnadmin lest-unused-dblogs
 - deleted what was in the list
 - removed all the __db.00* files
So we were up and running.  For a while.  Then after a few commits and
updates we received our first DB_RUNRECOVERY from TortoiseSVN client
1.2.0.  First time we have ever seen it so I counted us lucky up to
this point.
Steps taken:
 - Repeated the svnadmin recover.
Server message:
C:\Python23\Scripts>svnadmin recover f:\repos\Art
Repository lock acquired.
Please wait; recovering the repository may take some time...
svnadmin: DB_RUNRECOVERY: Fatal error, run database recovery
svnadmin: bdb: Recovery function for LSN 175 7066018 failed on backward pass
svnadmin: bdb: PANIC: No such file or directory
svnadmin: bdb: PANIC: fatal region error detected; run recovery
Client error message:
Error: Commit failed (details follow):
Error: Berkeley DB error for filesystem F:/repos/Art/db while opening
environment:
Error: DB_RUNRECOVERY:
Error: Fatal error, run database recovery
Error: bdb: PANIC: fatal region error detected; run recovery
We decided to just cut our losses:
* Create a new blank repo with TortoiseSVN client 1.2.0
* Took one fo the guys directories, cleaned out all the .svn folders
* Imported the directory structure into the new repo.
Few days later, (revisions were up to 15) at size of 2.5 GB, we are in
the same situation.
We need your help to figure this out.  We are a few weeks from
releasing our Demo PC Game and kind of in a time crunch.  Again, love
the product and look forward to working with you.
Chris Kreager
one of A Few Screws Loose, LC
www.AFSLGames.com
e-mail: chris.kreager@AFSLGames.com
(512) 809-1861
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