I don't way, but sudenly amanda with Suse work perfectly:

asraid01:/etc/amanda# sudo -u amanda amcheck DailySetE
Amanda Tape Server Host Check
-----------------------------

ERROR: /dev/nst0: Permission denied
      (expecting tape DailySet106 or a new tape)
NOTE: skipping tape-writable test
Server check took 0.001 seconds

Amanda Backup Client Hosts Check
--------------------------------
Client check: 1 host checked in 0.245 seconds, 0 problems found

Thanks to Stefan G. Weichinger and  Paul Bijnens

Leonid