csmadm backup problem

[piotras]

I'm trying to make backup of cms, but there's something wrong all the time.
I'm logging into the Solaris as a root, typing:
cmsadm, and pressing 3 for cmsamd backup.
Then I've got something like this:

"find: bad option usr
find: path-list predicate-list

20 blocks
Tape Verification
20 block
Please label the backup...."

In backup.log there is information that backup was completed succesfully.
Why is it backuping only 20 blocks ? It should be something like 2000000 blocks as I remember.
Could you help me, because I was searching Avaya manuals, and found nothing about this kind of problem.

Thanks,
Piotrek