HP Hitachi Dynamic Link Manager Software - Manual (Page 359)

Procedure for replacing HBAs
Before you can replace HBAs, the paths that pass through the HBAs to be
replaced must be blocked. The following procedure is used for replacing
HBAs.
To replace HBAs:
1
.
Check the WWN information of the HBAs to be replaced.
Execute the following command:
# /opt/hitachi/drivers/hba/hfcmgr -g
Time:yyyy/mm/dd hh:mm:ss
...
...
Model : HFC0402-E
Parts Number : 3HAC82101-A
Firmware : 260803
WWPN:2400000047010278 Device:hfcldd0 [LinkUp]
WWPN:240000004701027a Device:hfcldd1 [LinkUp]
Model : HFC0402-E
Parts Number : 3HAC82101-A
Firmware : 260803
WWPN:2400000047010270 Device:hfcldd2 [LinkUp]
WWPN:2400000047010272 Device:hfcldd3 [LinkUp]
The number that follows a WWPN keyword is the port WWN information of
an HBA.
The following steps assume that the HBAs whose WWN information is
underlined above are to be replaced.
2
.
Execute the view operation of the dlnkmgr command (dlnkmgr view -
path -hbaportwwn) to check the information about the paths that pass
through the HBAs you want to replace.
See the port WWN information of the HBAs you checked in step 1 and
HBAPortWWN displayed as the execution result to check the host port
number and the bus number displayed in PathName.
HDLM Operation
4-27
Hitachi Dynamic Link Manager User Guide for Linux ®