HP 748 Service Manual download pdf (Page 67)

6-5

Installing and Configuring Mass Storage Devices

Finding the Status of Existing SCSI Bus Addresses

Before you install a new SCSI drive, to ensure that the SCSI bus address of

your device is currently unused, you can use SAM, or you can use the ioscan

tool to help determine which devices are currently connected. Of course, this

is especially necessary for a system in which devices have previously been

installed. To determine the currently connected SCSI bus IDs, enter the fol-

lowing command line:

/etc/ioscan -fb (for HP-UX 9.x)

/usr/sbin/ioscan -f (for HP-UX 10.x)

The result will be a display of information, similar to the following:

Class H/W Path Driver H/W Status S/W Status Description

==============================================================

...

disk 2.0.1.2.0 scsi ok(0x5800101) ok TOSHIBA CD-ROM

tape_drive 2.0.1.3.0 scsitape ok(0x1800202) ok HP HP35450A

disk 2.0.1.6.0 scsi ok(0x101) ok MICROP 1528

...

For example, the SCSI bus address for the “MICROP” disk device is in the

fourth column of its hardware address as “6” (2.0.1.6.0). SAM will help you

determine an address for the device when you do the installation.

Use the following table to write down the current SCSI bus addresses:

Current SCSI Addresses and Devices

SCSI Address: Device:

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 151 152

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HP 748 Service Manual Page 67