Here is the error message of amcheck:

###############################
Amanda Backup Client Hosts Check
--------------------------------
ERROR: praxis.plus.sbg.ac.at: [could not access /dev/root (/):
Permission denied]
ERROR: ralph.edvz.sbg.ac.at: [could not access /dev/root (/): Permission
denied]
Client check: 3 hosts checked in 0.241 seconds, 2 problems found
###############################


and now the fstab entry in one of the machines:
###############################
LABEL=/                 /                       ext3    defaults
1 1
###############################

I used to use GNUTAR. I recognized, that there are 2 instances of tar
installed on these systems! So I switched to DUMP, but it didn't work
out.

Regards,
Thomas

-- 

*****************************************************************
* Thomas Widhalm                             Unix Administrator *
* University of Salzburg                       ITServices (ITS) *
* Systems Management                               Unix Systems *
* Hellbrunnerstr. 34                     5020 Salzburg, Austria *
* widhalmt AT unix.sbg.ac DOT at                     +43/662/8044-6774 *
* gpg: 6265BAE6                                                 *
* http://www.sbg.ac.at/zid/organisation/mitarbeiter/widhalm.htm *
*****************************************************************

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