Example Of Prerequisite Information For Fcp Linux On Zseries - IBM TotalStorage DS6000 Attachment Manual
Host systems attachment guide
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Setting up the Linux system to use the FCP device on zSeries
hosts
This topic provides instructions for setting up the Linux system to use the FCP
device on zSeries hosts.
You must collect the following software configuration information to prepare a Linux
system for accessing the storage unit through fibre-channel:
v Host name of the server hosting the Linux system
v Device address (and CHPID) of the FCP port that is attached to the Linux
v Worldwide port name (WWPN) of the FCP port on the zSeries
v Fibre-channel port on the storage unit
v WWPN of the fibre-channel port on the storage unit
You can obtain the data from the hardware management console (HMC), the IBM
TotalStorage DS Storage Manager, and the SAN switch. Figure 48 shows examples
of the prerequisite information you must have to run FCP Linux on the zSeries.
Figure 48. Example of prerequisite information for FCP Linux on zSeries
You must have at least the following modules installed to use the FCP device with
the storage unit:
v qdio — The same module is used for other qdio devices
v scsi_mod — SCSI core
v zfcp — FCP support for zSeries Linux
v sd_mod — SCSI disk support
1. Load the modules in the order listed. You can load all modules with the
2. Use the following format to supply the mapping parameters to the module:
100
DS6000 Host Systems Attachment Guide
machine
Linux hostname linuxa
CHPID of the FCP port on the z800 15
WWPN of the FCP port on the z800 50:05:07:64:01:40:01:7d
FC port on the storage unit Enclosure 3 Slot 1
WWPN of the FC port on the storage unit 50:05:07:63:00:c8:95:89
modprobe command. You can load all modules, except zfcp, without
parameters. The zfcp module requires parameters for the mapping the FCP
devices on the storage unit. Each device requires the following parameters:
a. The device number of the device defined in the IOCP for the FCP channel
on the zSeries
b. The SCSI ID starting at 1
c. The WWPN of the storage unit FC port
d. The SCSI LUN within Linux starting at 0
e. The FCP LUN of the target volume on the storage unit
map="devno SCSI_ID:WWPN SCSI_LUN:FCP_LUN"
map="0x0600 1:0x5005076300c89589 0:0x5301000000000000"
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