Why we are unable to take backup on tape device ?

Solution Unverified - Updated -

Issue

  • Tape backup is not happening.
  • Receiving DR_OPEN IM_REP_EN when checking for the  tape device status, what does that indicate ?
  • RedHat is not able to communicate with LTO tape drive. I've already rebooted the server but nothing. Moreover nothing appears in messages file when I disconnect the tape and reconnect it.
[root@server ~]# mt status
/dev/tape: No such file or directory
  • Do I need any driver?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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