ERROR: Writing label: tape is write-protected

This article is for Amanda Enterprise (AE)

Issue Symptoms

ERROR taper no-tape [No writable valid tape found]
WARNING taper writing label: tape is write protected


  1. Please check the permissions on the the tape device. These are the correct permissions:
[root@bugs dev]# ls -al /dev/nst0
crw-rw---- 1 root disk 9, 128 Jan 12 01:59 /dev/nst0
  1. Make sure that the “amandabackup” user belongs to the “disk” group.
[root@bugs dev]# grep disk /etc/group