HP StorageWorks MSL8096 Tape Library getting started guide (AH218-96002, March 2007)

Preparing the host
6
If necessary, install software, a host bus adapter (HBA),
and compatible drivers in the host computer.
Ensure that your HBA supports multiple LUNs. For
parallel SCSI devices, verify that multiple LUN support is
enabled for the HBA and operating system.
HP recommends that the host server be powered down
before attaching new devices.
If you are unfamiliar with configuring parallel SCSI
devices, read the parallel SCSI configuration
information in the User and Service Guide on the
documentation CD.
Follow these general guidelines when planning the
parallel SCSI configuration:
• The Library has an LVDS SCSI bus. It is NOT
compatible with a standard differential (Diff) or High-
Voltage (HVD) SCSI bus.
• The Ultrium 960 tape drives are Ultra320 SCSI
devices. Only put one Ultrium tape drive on an Ultra
320 SCSI bus. Putting an Ultrium 960 tape drive on
a slower bus or putting both tape drives on the same
bus may degrade performance.
• Avoid putting the Library on the same SCSI bus as a
disk drive or SE device.
• The default SCSI ID for all tape drives is 4.
Planning the parallel SCSI
configuration: parallel SCSI
5a
You must provide a Fibre Channel cable for each tape
drive in the Library. Each Fibre Channel tape drive has
two Fibre Channel ports. Only one port may be used at
a time, but both ports can be connected for path
failover if your application supports path failover.
Direct connection
You will need a 2 Gb or 4 Gb Fibre Channel HBA.
SAN connection
All switches between the host and the Library must be of
the appropriate type. A 2 Gb switch in the path may
result in performance degradation when backing up
highly compressible data to a 4 Gb tape drive.
Configure zoning on the Fibre switch so only the
backup servers can access the Library.
Planning the Fiber Channel
configuration: Fiber Channel
5c
The server must have a SAS HBA with an external
connector. Most SAS RAID controllers do not support
multiple LUNs, which are needed to communicate with
the Library robotic.
Planning the SAS
configuration (SAS only)
5b
WARNING! Do not connect the Library to a SAS
RAID controller unless the EBS compatibility
matrix shows that the controller is qualified with
the Library. The server might not be able to boot
when the Library is connected to a non-
supported SAS RAID controller. Check the EBS
matrix at http://www.hp.com/go/ebs to find a
SAS HBA that is supported on your server and
qualified with the Library.