
7. Utility Reference
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7.3 The dlmpr Utility for Clearing HDLM Persistent Reservations
The dlmpr utility clears the persistent reservation that is left in an LU after HDLM is
uninstalled. However, a persistent reservation is not left in an LU when you uninstall
HDLM as instructed by the procedure in this manual. This utility is located in the
following location:
drive-where-the-installation-DVD-has-been-inserted
:\HDLM_Windows\DLMTools
Note:
This utility can be executed when the following conditions are satisfied:
• HDLM has been uninstalled.
• Services and drivers in a cluster system have not started yet.
7.3.1 Format
dlmpr {-c| -d| -h}
7.3.2 Parameters
-c
Displays a list of the paths for LUs managed by HDLM and persistent reservation
information. When you specify the path ID, the persistent reservation for the path
is cleared.
-d
Displays a list of the paths for LUs managed by HDLM and persistent reservation
information.
-h
Displays the format of the dlmpr utility.
No parameters
Displays an overview of this utility.
(1) 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
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