HP Hitachi Dynamic Link Manager Software - Manual (Page 18)

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4. HDLM Operation 267
4.1 Notes on Using HDLM.......................................................................................... 268
4.1.1 Displaying Path Information ...................................................................... 268
4.1.2 When a Path Error is Detected ................................................................... 268
4.1.3 iostat Command.......................................................................................... 268
4.1.4 Storage System ........................................................................................... 269
4.1.5 Command Execution .................................................................................. 269
4.1.6 Using a Sun HBA ....................................................................................... 269
4.1.7 Starting the Host, System, and HDLM in a Solaris 10 Environment ......... 270
4.1.8 Upgrading Solaris ....................................................................................... 270
4.1.9 Operation in Single-User Mode.................................................................. 270
4.1.10 Maintenance Tasks on Devices Connected by Paths in the Boot Disk
Environment ............................................................................................... 272
4.2 HDLM Operations Using Commands ................................................................... 273
4.2.1 Notes on Using Commands ........................................................................ 273
4.2.2 Viewing Path Information .......................................................................... 273
4.2.3 Changing the Status of Paths ...................................................................... 274
4.2.4 Viewing LU Information ............................................................................ 276
4.2.5 Displaying Corresponding Information About an HDLM Device, sd or ssd
Device, and LDEV ..................................................................................... 276
4.2.6 Initializing Statistical Information for Paths............................................... 277
4.2.7 Viewing and Setting Up the Operating Environment................................. 278
4.2.8 Viewing License Information ..................................................................... 280
4.2.9 Updating the License .................................................................................. 280
4.2.10 Viewing HDLM Version Information....................................................... 281
4.2.11 Viewing HDLM Component Information ................................................ 282
4.3 Starting and Stopping the HDLM Manager........................................................... 283
4.3.1 Starting the HDLM Manager...................................................................... 283
4.3.2 Stopping the HDLM Manager .................................................................... 283
4.4 HDLM Resident Processes .................................................................................... 285
4.5 Changing the Configuration of the HDLM Operating Environment..................... 286
4.5.1 Precautions Regarding Changes to the Configuration of an HDLM Operating
Environment ............................................................................................... 286
4.5.2 Overview of Reconfiguring the HDLM Device ......................................... 290
4.5.3 Adding a New Logical Unit........................................................................ 292
4.5.4 Configuration Changes Such as Deleting a Logical Unit........................... 310
4.5.5 Specifying Whether a Logical Unit Is To Be Managed by HDLM (When Not
Using Sun Cluster) ..................................................................................... 319
4.5.6 Specifying Whether a Logical Unit Is To Be Managed by HDLM (When Using
Sun Cluster)................................................................................................ 322
5. Troubleshooting 343
5.1 Information collected by using the DLMgetras utility for collecting HDLM error
information ........................................................................................................... 344