Both ATTO Technology, Inc and Quantum Corp. have received reports
of an incompatibility between ATTO ExpressSAS H380, H308, H30F, R380,
R348, and R30F cards and Quantum's LTO4 HH SAS tape drives. This
incompatibility can be resolved by applying the latest firmware
available from Quantum to the drive, which is available at the Quantam Support and Documentation
page. Please contact ATTO Technology or Quantum Technical Support if
you encounter any problems updating the firmware to the drive.