HP XP Racks - Manual (Page 204)

d
.
Specify boot disks that are suitable for your host environment:
# bootlist -m normal hdisk10 hdisk0 hdisk1
e
.
Make sure that the number of configured boot disks is the same as
the number of paths that you checked in step 2:
# bootlist -m normal -o
hdisk10 blv=hd5
hdisk10 blv=hd5
hdisk0 blv=hd5
hdisk1 blv=hd5
...
Replacing a Fiber Cable
If there are multiple active paths for an LU, you can replace a desired cable
while running your applications by placing offline only the path that goes
through the cable to be replaced and using other paths to continue access.
Note
The following procedure is only for replacing a fiber cable.
To replace a fiber cable:
1
.
Execute the dlmodmset utility for setting the HDLM execution environment
ODM to check the NPIV option setting.
# /usr/DynamicLinkManager/bin/dlmodmset -o
The following are execution examples:
Lun Reset : off
Online(E) IO Block : on
NPIV Option : off
OS Error Log Output : off
Check the NPIV Option line.
2
.
Place in Offline (C) status the path that goes through the cable to be
replaced (path that goes through the HBA to which the cable is
connected).
Depending on the NPIV option setting for the dlmodmset utility checked in
step 1, execute one of the following commands:
¢
If the NPIV option is set to off:
Specify the HBA adapter number and bus number, and then execute
the command shown below. The following example shows how to
place the path in Offline (C) status when the path goes through an
HBA whose HBA adapter number is 08 and whose bus number is 11:
# /usr/DynamicLinkManager/bin/dlnkmgr offline -hba 08.11
¢
If the NPIV option is set to on:
4-28
HDLM Operation
Hitachi Dynamic Link Manager (for AIX) User Guide