HP XP P9500 Storage - Manual (Page 275)

Procedure for Executing the dlmpr Utility in MSCS Environments:
1
.
Start a host from among the hosts that make up the MSCS system.
2
.
Choose Start, Settings, Control Panel, double-click Administrative
Tool, and then double click Computer Management.
3
.
Choose Services and Applications, and then double-click Services. A
list of services is displayed. From the list, right-click Cluster Service, and
choose Properties. In the General tab, select Disabled from the
Startup type combo box, and then click the OK button.
4
.
In the Computer Management window, choose Device Manager. From
the View menu, select Show hidden devices. Right-click Cluster Disk
Driver from Non-Plug and Play Drivers in the right window, and then
choose Disabled. The message Disabling this device will cause it to
stop functioning. Do you really want to disable it? is displayed.
Choose Yes.
A message prompting you to restart the system is displayed. Choose Yes.
The system will restart and the Cluster Disk Driver will be disabled.
5
.
Execute dlmpr -d.
The following shows what happens when this utility is executed. The
persistent reservation remains whenever KeyCount is not 0.
PROMPT>dlmpr -d
PathID PathName KeyCount
ReservedKey Type
000000 0001.0000.0000000000000000.0000 1 200000E08B1059EC
ExclusiveAccessRegistrantOnly
000001 0001.0000.0000000000000000.0001 1 200000E08B1059EC
ExclusiveAccessRegistrantOnly
KAPL10640-I The dlmpr utility completed normally.
PROMPT>
6
.
Execute dlmpr -c.
From the displayed list, enter the path ID where KeyCount is not 0. A
confirmation message is displayed twice. Check the message and enter y.
The persistent reservation is cleared. Repeat the procedure until
KeyCount for all the paths is changed to 0. The following shows what
happens when executing this utility.
PROMPT>dlmpr -c
PathID PathName KeyCount
ReservedKey Type
000000 0001.0000.0000000000000000.0000 1 200000E08B1059EC
ExclusiveAccessRegistrantOnly
000001 0001.0000.0000000000000000.0001 1 200000E08B1059EC
ExclusiveAccessRegistrantOnly
KAPL10655-I Specify the PathID of the LU for which you want to
clear persistent reservation information. (To cancel, press the
x key):0
KAPL10656-I The persistent reservation information of PathID = 0
will be cleared. Is this OK? [y/n]:y
KAPL10657-I If you continue this process, the reservation of the
LU you specified will be cleared. Please confirm that no other
servers are accessing this LU.
[y/n]:y
Utility Reference
7-11
Hitachi Dynamic Link Manager User Guide for Windows ®