Disk failure and lost of revision.

Hello all:

First a little of information:

  I have two repositories, 1 with 23456 revison and other with just 14
revision, both repo are store in the same disk (a hd of 500 GB).
  Both repo are fsfs and all the information are binary files.

  My problem is the following, my primary disk (500GB) fail (some class of
buffer error), i run fsck and fix the disk problem, after that i move both
svn repo to a new disk, when i finish the migration run svnadmin verify in
both repo and that is when i found the problem.
  The small repo are ok, verify all the revision and work fine, but the big
repo (and most importan) finish with a:
  "svnadmin: no such revision 22397"

  So i check the db/revs directory and found that the file 22397 don't
exist (probably this "go out" when fsck fix the inode lost).
  I try to run svnadmin recover but it finish ok, show the last revision ok
but don't print any error about the revision 22397.

  My question is: it's possible recover a lost revision ?

  If the answer is "No": it's possible make another db skiping the lost
revision ?

Please CC my because i am not subscribe to this list.

-- 
 			Diego
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