Why does not recognize /dev/st0 device ?

Solution Verified - Updated -

Issue

  • Insert DAT tape to usb tape device and runs below command and meet below error.
    Why does not recognize /dev/st0 device and how can solve it ?
  # mt -t /dev/st0 status
   /dev/st0: No such file or directory
  snip from /var/log/messages

 Dec 31 09:02:46 rhxx kernel: usb 1-1: USB disconnect, address 3
 Dec 31 09:02:47 rhxx kernel: usb 1-1: new high speed USB device using ehci_hcd and address 4
 Dec 31 09:02:47 rhxx kernel: usb 1-1: device not accepting address 4, error -71
 Dec 31 09:02:47 rhxx kernel: usb 1-1: new high speed USB device using ehci_hcd and address 5

Environment

  • Red Hat Enterprise Linux 5

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