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52 Drives in Tape Arrays
your tape drive you need a SCSI bus that can transfer data at a rate that
supports the tape drive’s maximum transfer speed. We recommend an Ultra3
(160) or Ultra4 (320) SCSI bus.
Before starting to install your tape drive, you should consider the following
points.
Appropriate HP Rack-Mount Systems
HP Ultrium removable tape drives are used in conjunction with:
3
the HP StorageWorks H/A Tape Array 5500 system, which will hold up
to five full-height tape drives
3
the HP StorageWorks Tape Array 5300 system, which will hold up to two
full-height drives
The tape array is designed to be installed into HP, IBM and other compatible
19” rack-mount systems. It must be properly installed and configured. Refer to
your tape array documentation for further details.
Airflow Requirements
As long as the tape array is fully populated, it will provide adequate airflow
for HP Ultrium drives.
If you have unused bays in the tape array, you must install the blanking plates
provided with the tape array. This ensures that there is adequate airflow to
the drives. See the documentation with the tape array for details on installing
blanking plates.
You should ensure that ventilation is adequate at the front and rear of the
tape array.
HP Ultrium drives require forced airflow, either from front to back or from
back to front. The required flow depends on the ambient air temperature:
3
8 cfm for ambient air temperatures fluctuating in the range 10°–40°C.
3
6 cfm for ambient air temperatures fluctuating in the range 10°–35°C.
Setting the SCSI ID
For removable drives installed in a HP StorageWorks H/A Tape Array 5500
or HP StorageWorks Tape Array 5300 rack enclosure, set the SCSI ID at the
appropriate switch on the rear of the tape array. Each drive should have a
unique ID. The number of address switches corresponds to the number of tape
drives that can be inserted into the tape array. For example, there are five