HP e3000 User Manual
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Brand: HP
Category: Adapter , Desktop , Multiplexer , Software
Type: Operation & user’s manual for HP e3000
Pages: 48 (0.28 Mb)
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Chapter 3
Verifying Installation
Configuring Fibre Channel Mass Storage Adapter
18
Configuring Fibre Channel Mass Storage Adapter
As with other device adapter cards for HP e3000, fibre channel adapters can also be configured through the
MPE/iX utility SYSGEN. Assume a Fibre Channel adapter card at path 0/8/0/0. Start by configuring the first
path component System Bus Location equal to zero “0”. Then configure the Local Bus Number equal to eight
“8”, PCI Device equal to zero “0”, and PCI Function equal to zero “0”. In most cases, the System Bus
component and Local Bus number component may already be configured. If so, directly proceed to configure
the PCI Device component.
io> ap 0 id=pat_ioa_bc
io> ap 0/8 id=pat_pci_bc
io> ap 0/8/0 id=pci_device
io> ap 0/8/0/0 id=A6795A
To check that the FC Device Adapter Card is properly configured:
io> lp 0/8/0/0
PATH: 0/8/0/0 LDEV:
ID: A6795A TYPE: DA
PMGR: FC_DAM PMGRPRI: 6
LMGR: MAXIOS: 0
Note that the PMGR should be set to “FC_DAM,” which is the manager software for FC device adapter card.
After configuring the adapter card through SYSGEN, reboot the system. (If the FC card is configured online
using online configuration tool IOCONFIG instead of SYSGEN, the reboot is not required).
When the system is rebooted with FC adapter configured, the software driver for the FC adapter initializes
the card and identifies FC devices connected to the card. At this time, a message appears on the system
console saying:
td: claimed Tachyon XL2 Fibre Channel Mass Storage card at 0/8/0/0
Scanning for fibre channel devices at 0/8/0/0. This may take a while...
The appearance of this message indicates that the card has been initialized successfully and the software
identified any FC devices connected to this adapter card. The list of FC devices/LUNs thus identified is not
printed immediately. This list can later be generated by running another MPE/iX utility called FCSCAN,
which can be run from the MPE/iX CI prompt.
Understanding Fibre Channel Device Paths
Before identifying and configuring fibre channel devices connected to the adapter, understand about Fibre
Channel device hardware path format, used in MPE/iX. Unlike a SCSI device path, a Fibre Channel device
path is interpreted differently. The path used in MPE/iX to represent a fibre channel device is given below:
System Bus Location / Local Bus Number / PCI Device / PCI Device Function. FC NPort.FC LUN
Note that the second to last component here is “FC NPort” whereas in the case of SCSI devices it would have
been a “SCSI Target”. FC Nport a “fibre channel node port” which represents the connection point for a fibre
channel device. Under the FC Nport, there can be multiple LUNs of the FC device which are accessible in the
same way as SCSI LUNs. A single FC device can support multiple Nports and each Nport can have varying
number of LUNs under it. This is analogous to multiple SCSI LUNs under a SCSI Target.