HP Hitachi Dynamic Link Manager Software Licenses - Manual (Page 9)

Specifying Whether a Logical Unit Is To Be Managed by HDLM (When Using Solaris
Cluster)..........................................................................................................4-52
Changing an HDLM-Managed Device to a Non-HDLM-Managed Device...... 4-52
Changing a Non-HDLM-Managed Device to an HDLM-Managed Device (When
the Node Must Be Restarted)................................................................. 4-57
Changing a Non-HDLM-Managed Device to an HDLM-Managed Device (For
Dynamic Reconfiguration)...................................................................... 4-63
Inheriting logical device names during storage system migration........................4-68
5 Troubleshooting....................................................................................5-1
Information collected by using the DLMgetras utility for collecting HDLM error
information.............................................................................................................5-2
Checking Error Information in Messages...................................................................5-2
What To Do for a Path Error.................................................................................... 5-3
Examining the Messages................................................................................... 5-5
Obtain Path Information....................................................................................5-5
Identifying the Error Path..................................................................................5-5
Narrowing Down the Hardware That Might Have Caused the Error....................... 5-5
Identifying the Error Location and Correcting any Hardware Errors.......................5-5
Placing the Path Online..................................................................................... 5-5
Actions to Take for a Path Error in a Boot Disk Environment...................................... 5-6
Path Errors During Boot Processing....................................................................5-6
When a Path Error Occurs at the Initial Stage of Boot Processing................5-6
When a Path Error Occurs After the HDLM Driver Starts Path Processing.....5-6
Path Errors After Boot Processing Completes...................................................... 5-7
What To Do for a Program Error.............................................................................. 5-7
Examining the Messages................................................................................... 5-8
Obtaining Program Information......................................................................... 5-8
What To Do for the Program Error..................................................................... 5-8
Contacting Your HDLM Vendor or Maintenance Company.................................... 5-9
What To Do for Other Errors....................................................................................5-9
6 Command Reference.............................................................................6-1
Overview of the HDLM Command dlnkmgr................................................................6-2
clear (Returns the Path Statistics to the Initial Value)................................................ 6-3
Format.............................................................................................................6-3
To set the path statistics to 0...................................................................6-3
To display the format of the clear operation.............................................. 6-3
Parameters...................................................................................................... 6-3
To set the path statistics to 0...................................................................6-3
To display the format of the clear operation.............................................. 6-4
help (Displays the Operation Format)....................................................................... 6-4
Format.............................................................................................................6-4
Parameter........................................................................................................6-4
offline (Places Paths Offline).................................................................................... 6-6
Format.............................................................................................................6-6
To place paths offline.............................................................................. 6-6
To display the format of the offline operation............................................ 6-7
Parameters...................................................................................................... 6-7
To place paths offline.............................................................................. 6-7
To display the format of the offline operation.......................................... 6-10
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Hitachi Dynamic Link Manager (for Solaris) User Guide