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5190/5194 Modular Tape Subsystem Manual

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Configuring the Modular Tape Subsystem
5190/5194 Modular Tape Subsystem Manual—426878-002
2-14
Configuring the Modular Tape Subsystem by
Modifying the CONFTEXT File
•
Only one tape drive can be attached to an MFC. The drive must use device ID 5,
which is the default device ID for tape drive CRUs.
•
When two tape drives are attached to a 3216 controller, the drives must have
device IDs 4 and 5. If only one drive is attached to a 3216 controller, then the
device ID must be 5. See Tape Drive CRU Placement on page 3-6.
•
The PERIPHERALS paragraph allows two modifiers: NOCOMPRESSION and
COMPRESSION. These are valid only for the 5190 tape drive (the 5194 tape drive
ignores this modifier because it is always in compression mode). See Modifying
the PERIPHERALS Paragraph on page 2-16.
•
Table 2-1 lists the subchannel address assigned to each I/O slot in a system
cabinet and I/O cabinet for NonStop Himalaya K2, K100, K200, K1000, and K2000
servers. For an MFC, the subchannel address will already be specified in the
MULTIFUNCTION_CONTROLLERS paragraph. For a 3216 tape controller, you
must specify the subchannel address in the CONTROLLERS paragraph.
To determine the subchannel address required for each I/O controller in the
CONTROLLERS paragraph, use Table 2-1 or the following formula:
subchannel address = %10 * (I/O controller number)
For NonStop Himalaya K10000 and K20000 servers, the I/O subchannel address
depends on the processor and the I/O channel configuration. See the Himalaya
K10000/K20000 Planning and Configuration Guide.
Memory Dump Considerations
How the system is configured affects what devices are used for a memory dump. If
you want to use a 5190 or 5194 tape drive to capture memory dumps, see Using a
Table 2-1. Subchannel Addresses for I/O Controllers
System Cabinet I/O Cabinet
I/O Slot Number Subchannel Address I/O Slot Number Subchannel Address
62 %040 (MFC) 60 %240 (MFC)
63 %030 61 %230
64 %020 62 %220
65 %120 63 %210
66 %130 64 %200
67 %140 (MFC) 65 %300
66 %310
67 %320
68 %330
69 %340 (MFC)