Hp XP12000 User Manual download pdf (Page 31)

Installation 33

customer support for assistance with the HP 9000 system or the

HP-UX operating system.

3. Enter the device data for each disk array device in a table. See “Path

worksheet” on page 62.

4. Construct the device file name for each device, using the device

information, and enter the file names in your table. Use the following

formula to construct the device file name:

cxtydz

where

x = SCSI bus instance number

y = SCSI target ID

z = LUN

c stands for controller, t stands for target ID, and d stands for device.

The numbers x, y, and z are hexadecimal.

Example

5. Verify that the SCSI TIDs correspond to the assigned port address for

all connected ports (see mapping tables on

page 63 in Appendix B, for

values). If so, the logical devices are recognized properly.

If the logical devices are not recognized properly:

• Check the AL-PA for each port using the LUN Manager software.

• If the same port address is set for multiple ports on the same loop

(AL with HUB), all port addresses except one changed to another

value, and the relationship between AL-PA and TID does not

correspond to the mapping given in

Appendix B (page 63), set a

SCSI bus

instance number Hardware path SCSI TID LUN File name

00 14/12.6.0 6 0 c6t0d0

00 14/12.6.1 6 1 c6t0d1

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 81 82

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Hp XP12000 User Manual Page 31