HP XP P9500 Storage - Manual (Page 305)

4
.
Execute the dlmcfgmgr utility for managing the HDLM configuration to
delete the LU, which is disconnected from the host, from the HDLM driver.
# /opt/DynamicLinkManager/bin/dlmcfgmgr -a
The HDLM device will be deleted without restarting the host.
5
.
Execute the dlnkmgr command's view -path operation to check the path
status after the configuration change.
The following shows an example of executing the command:
# /opt/DynamicLinkManager/bin/dlnkmgr view -path
Paths:000006 OnlinePaths:000006
PathStatus IO-Count IO-Errors
Online 27 0
PathID PathName
DskName iLU
ChaPort Status Type IO-Count IO-Errors DNum HDevName
000000 0000.0000.0000000000651600.0000 HITACHI .OPEN-V -SUN.
0010007 000500 5A Online
Own 9 0 - c8t50060E8005271740d0
000001 0000.0000.0000000000651600.0001 HITACHI .OPEN-V -SUN.
0010007 000501 5A Online
Own 9 0 - c8t50060E8005271740d1
000003 0000.0000.0000000000651600.0003 HITACHI .OPEN-V -SUN.
0010007 000503 5A Online
Own 9 0 - c8t50060E8005271740d3
000004 0001.0000.0000000000651700.0000 HITACHI .OPEN-V -SUN.
0010007 000500 6A Online
Own 0 0 - c8t50060E8005271740d0
000005 0001.0000.0000000000651700.0001 HITACHI .OPEN-V -SUN.
0010007 000501 6A Online
Own 0 0 - c8t50060E8005271740d1
000007 0001.0000.0000000000651700.0003 HITACHI .OPEN-V -SUN.
0010007 000503 6A Online
Own 0 0 - c8t50060E8005271740d3
KAPL01001-I The HDLM command completed normally. operation name
= view, completion time = yyyy/mm/dd hh:mm:ss
#
The deleted LU is no longer output. In the example of the configuration
after the change, the path IDs 000002 and 000006 are deleted.
When an LU is deleted via dynamic reconfiguration, path IDs become
inconsecutive, as shown in this example. If you reboot the host, path IDs
might change because they are reconfigured during the reboot.
Adding a Path to an Existing LU by Dynamic Reconfiguration
This section describes how to dynamically add a path to an existing LU.
1
.
Set a storage system or a switch to make the OS recognize the path.
# cfgadm -c configure ap_id
Check ap_id in the list of configurable hardware information that is
displayed by the cfgadm -al command.
The following is an example of the command:
HDLM Operation
4-43
Hitachi Dynamic Link Manager User Guide for Solaris ®