Code:
su amanda
/usr/sbni/amcheck DailySet1
A backup target can either be a physical tape or a directory on a filesystem that is defined as a virtual tape (vtapes is a method of using disk media to emulate tape device

. Before either type of target can be accessed it must be labeled using AMANDA's amlabel command. Compression must be turned off, and the blocksize set to 0 before labelling a tape. The label must be a valid label as defined by the "labelstr" option in amanda.conf. The mt and amlabel commands must be executed as the amanda user.
Have you followed installation steps mentioned at following redhat location?
Server Config -
redhat.com | Red Hat Support
Client config -
redhat.com | Red Hat Support
How do I configure virtual tapes for an AMANDA backup server? :
redhat.com | Red Hat Support
I always use above doc on CentOS / Fedora and RHEL server. Let me know the status.
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