HP XP Racks - Manual (Page 7)

Displaying the Correspondences Between hdisks, OS Management Path IDs, and
LDEVs..............................................................................................................4-8
Initializing Statistical Information for Paths.........................................................4-9
Viewing and Setting Up the Operating Environment...........................................4-10
Viewing the Operating Environment........................................................4-10
Setting Up the Operating Environment....................................................4-10
Viewing License Information............................................................................4-11
Updating the License.......................................................................................4-12
Viewing HDLM Version Information..................................................................4-12
Viewing HDLM Component Information............................................................4-13
Starting and Stopping the HDLM Manager...............................................................4-14
Starting the HDLM Manager.............................................................................4-14
Stopping the HDLM Manager...........................................................................4-14
HDLM Resident Processes......................................................................................4-15
Changing the Configuration of the HDLM Operating Environment.............................4-15
Changing an HDLM Management-Target Device................................................4-15
Adding an HDLM Management-Target Device..........................................4-15
Deleting an HDLM Management-Target Device........................................4-15
Changing an HDLM Management-Target Device......................................4-16
Changing hdisk attributes................................................................................4-17
Automatically Performing hdisk Reconfiguration.......................................4-17
Manually Performing hdisk Reconfiguration.............................................4-18
Changing a Path.............................................................................................4-21
Adding a Path (to a Volume Group Other than rootvg).............................4-21
Adding a Path (to a Device Included in rootvg)........................................4-21
Deleting a Path (of a Volume Group Other than rootvg)...........................4-22
Deleting a Path (of a Device Included in rootvg)......................................4-23
Replacing an HBA...........................................................................................4-23
Replacing a Fiber Cable...................................................................................4-28
Replacing a Fibre Channel Switch.....................................................................4-29
5 Troubleshooting....................................................................................5-1
Information Collected by 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
What To Do for a Program Error..............................................................................5-6
Examining the Messages...................................................................................5-6
Obtaining Program Information.........................................................................5-6
What To Do for the Program Error.....................................................................5-7
Contacting your HDLM Vendor or Maintenance Company.....................................5-7
What To Do for Other Errors....................................................................................5-7
6 Command Reference.............................................................................6-1
Overview of the HDLM Command dlnkmgr................................................................6-2
clear (Returns the Path Statistics to the Initial Value)................................................6-3
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Hitachi Dynamic Link Manager User Guide for AIX®