Hitachi Dynamic Link Manager Software Users Guide for Solaris
Initializing HDLM When the Host Is Started in Single-User Mode.................4-4
Tasks that Can Be Performed in Single-User Mode.....................................4-5
Maintenance Tasks on Devices Connected by Paths in the Boot Disk Environment
.......................................................................................................................4-6
HDLM Operations Using Commands......................................................................... 4-6
Notes on Using Commands................................................................................4-6
Viewing Path Information..................................................................................4-6
Changing the Status of Paths.............................................................................4-7
Changing the Status of Paths to Online.....................................................4-7
Changing the Status of Paths to Offline(C)................................................ 4-8
Viewing LU Information.....................................................................................4-9
Displaying Corresponding Information About an HDLM Device, sd or ssd Device, and
LDEV............................................................................................................... 4-9
Initializing Statistical Information for Paths....................................................... 4-10
Viewing and Setting Up the Operating Environment...........................................4-11
Viewing the Operating Environment........................................................4-11
Setting Up the Operating Environment.................................................... 4-11
Viewing License Information............................................................................4-12
Updating the License.......................................................................................4-13
Viewing HDLM Version Information.................................................................. 4-13
Viewing HDLM Component Information............................................................ 4-14
Starting and Stopping the HDLM Manager...............................................................4-15
Starting the HDLM Manager.............................................................................4-15
Stopping the HDLM Manager........................................................................... 4-15
HDLM Resident Processes......................................................................................4-16
Changing the Configuration of the HDLM Operating Environment............................. 4-16
Precautions Regarding Changes to the Configuration of an HDLM Operating
Environment...................................................................................................4-17
Changing the Configuration of a System that Uses HDLM......................... 4-17
When the Path Configuration Is Changed................................................ 4-17
Switching the Kernel Mode.....................................................................4-19
When the Path Configuration Is Changed in a Boot Disk Environment....... 4-19
Dynamic Reconfiguration (DR) for Solaris................................................4-20
Overview of Reconfiguring the HDLM Device.....................................................4-20
Reconfiguring the HDLM Device..............................................................4-20
Notes on Reconfiguring the HDLM Device................................................4-21
Adding a New Logical Unit...............................................................................4-22
Notes................................................................................................... 4-22
Adding a New LU (When Not Using Solaris Cluster)..................................4-23
Adding a New LU By Restarting the Nodes (When Using Solaris Cluster)....4-25
Adding a New LU Via Dynamic Reconfiguration (When Using Solaris Cluster)
............................................................................................................4-31
Configuration Changes Such as Deleting a Logical Unit...................................... 4-36
Changing the Configuration by Restarting the Host.................................. 4-37
Deleting an LU via Dynamic Reconfiguration............................................4-42
Adding a Path to an Existing LU by Dynamic Reconfiguration............................. 4-44
Deleting a Path to an Existing LU by Dynamic Reconfiguration........................... 4-47
Specifying Whether a Logical Unit Is To Be Managed by HDLM (When Not Using
Solaris Cluster)............................................................................................... 4-48
Changing an HDLM-managed Device to a Non-HDLM-Managed Device......4-49
Changing a Non-HDLM-Managed Device to an HDLM-Managed Device...... 4-49
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Hitachi Dynamic Link Manager (for Solaris) User Guide