HP A7173A PCI-X Dual Channel Ultra320 SCSI Host Bus Adapter Support Guide, August 2007

NOTE: For important details about each of the SCSI parameters that can be set online using
the mptconfig command, see:
• “About SCSI IDs” (page 24)
• “About the Maximum Data Transfer Rate” (page 24)
• “About Bus Width” (page 25)
Using mptconfig for Online Configuration
The mptconfig command has options for changing each of the user-configurable SCSI
parameters. By default, the SCSI ID of the A7173A adapter is “7,” the transfer rate is “ultra320”
and the bus width is “wide.”
To see a help screen showing the mptconfig command syntax, enter mptconfig at the system
prompt with no additional options:
# mptconfig
Usage: mptconfig [options] <dev_file>
<dev_file> = /dev/mptX
Options:
-i initiator_id = 0 to 15
-t target_id = 0 to 15
-r rate = ultra|ultra2|ultra160|ultra320
-w width = narrow|wide
-d set default values for scsi bus
default values are:
initiator_id = 7
rate = ultra320
width = wide
Note:
- You must be a privileged user to execute this command. See privileges(5)
for more information on privileged users.
- See mptconfig(1M) for tool details.
To use the mptconfig command you will need to know the device file name for each A7173A
adapter you want to configure. Use the ioscan -kfn command to determine the device file
name for each A7173A adapter installed in your system. Example 3-11 shows a portion of ioscan
-kfn output that includes an A7173A adapter and a disk array that are on the same SCSI bus:
40 Configuring the A7173A Adapter