Illegal request issues accessing a VTL when using lin_tape, Red Hat Enterprise Linux 6.3 and 6.4 and Emulex HBAs

Solution Unverified - Updated -

Issue

  • When a backup to tape is run using lin_tape, the backup process might halt at some point before completion, with the VTL backup software reporting "Illegal request"

Environment

  • Red Hat Enterprise Linux 6.3
  • Red Hat Enterprise Linux 6.4 prior to kernel version 2.6.32-358.18.1.el6
  • IBM lin_tape driver 2.3.0 or later
  • Emulex HBAs / lpfc driver

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