Replacing a fibre channel switch, Replacing a fibre channel switch -29 – HP XP Racks User Manual
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Use the fscsi number to execute the command below. The following
example shows how to place the path in Offline (C) status when the
path goes through fscsi number 1 (fscsi1):
# /usr/DynamicLinkManager/bin/dlnkmgr offline -hba 00.01
3
.
Replace the cable.
Note
If you change the port on the Fibre Channel switch or on the storage
system, the path configuration will be changed. Delete the hdisk that
are associated with the cable to be replaced and then reconfigure the
device.
4
.
Place in Online status the path that goes through the replaced cable.
Place in Online status the path that goes through the HBA to which the
replaced 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 online -hba 08.11
¢
If the NPIV option is set to on:
Use the fscsi number to execute the command below. The following
example shows how to place the path in Offline (C) status when the
path goes through fscsi number 1 (fscsi1):
# /usr/DynamicLinkManager/bin/dlnkmgr online -hba 00.01
5
.
Execute the following command to check the path information:
# /usr/DynamicLinkManager/bin/dlnkmgr view -path
For details about path information, see
view (Displays Information) on
Replacing a Fibre Channel Switch
If there are multiple active paths for an LU, you can replace a desired Fibre
Channel switch while running your applications by placing offline only the
path that goes through the Fibre Channel switch to be replaced and by using
other Fibre Channel switches to continue access.
Note
The following procedure is only for replacing a Fibre Channel switch.
HDLM Operation
4-29
Hitachi Dynamic Link Manager (for AIX) User Guide