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Document Outline
- (for AIX) User Guide
- Contents
- Preface
- Intended audience
- Product version
- Release notes
- Document revision level
- Document organization
- Related documents
- Document conventions
- Conventions for storage capacity values
- Accessing product documentation
- Getting help
- Comments
- Overview of HDLM
- What is HDLM?
- HDLM Features
- HDLM Functions
- Devices Managed by HDLM
- System Configuration
- LU Configuration
- Program Configuration
- Position of the HDLM Driver and hdisk
- Distributing a Load Using Load Balancing
- Paths to which load balancing is applied
- Load Balancing Algorithms
- Performing Failovers and Failbacks Using Path Switching
- Automatic path switching
- Manual path switching
- Path status transition
- Monitoring intermittent errors (functionality when automatic failback is used)
- Checking intermittent errors
- Setting up intermittent error monitoring
- Intermittent Error Monitoring Actions
- When a User Changes the Intermittent Error Information
- Detecting errors by using path health checking
- Distributing a Load by Using the Dynamic I/O Path Control Function
- What is the Dynamic Load Balance Control Function
- Dynamic I/O Path Control Function
- Error management
- Types of Collected Logs
- Filtering of error information
- Collecting error information using the utility for collecting HDLM error information (DLMgetras)
- Collecting installation error information using the utility for collecting HDLM installation error information (dlmgetrasinst)
- Collecting Audit Log Data
- Categories and Audit Events that HDLM Can Output to the Audit Log
- Requirements for Outputting Audit Log Data
- Destination and Filtering of Audit Log Data
- Audit Log Data Formats
- Integrated HDLM management using Global Link Manager
- Cluster support
- Creating an HDLM Environment
- HDLM System Requirements
- Host and OS Support for HDLM
- Storage Systems Supported by HDLM
- Cluster Software Supported by HDLM
- Memory and Disk Capacity Requirements
- Number of LUs and Paths That Are Supported in HDLM
- Flow for Creating an HDLM Environment
- Types of HDLM Installation
- Notes on Creating an HDLM Environment
- Notes on Installing HDLM
- Notes on an Upgrade Installation or Re-installation of HDLM
- Notes on the Virtual I/O Server
- Notes on the License Key and License Key File
- Notes on Trace Files
- Notes on Storage Systems
- Notes on the Cluster
- Notes on the Automatic Failback
- Notes on the queue_depth Parameter Value for an HDLM-Managed device
- Installing HDLM
- Available Installation Methods
- Preparations for a New Installation of HDLM
- Performing a New Installation of HDLM
- Preparations for an Upgrade Installation or Re-installation of HDLM
- Performing an Upgrade Installation or Re-installation of HDLM
- Installing HDLM to the SPOT of a NIM resource
- Migrating from HDLM Version 5.8.1 or Earlier to Version 5.9 or Later
- Installing HDLM in a PowerHA 6.1 Environment
- Installing HDLM in an Environment Running PowerHA 7.1 or a Later Version
- Performing an Unattended Installation of HDLM
- Checking the Path Configuration
- Setting up HDLM
- Checking the Current Settings
- Setting Up the HDLM Functions
- Checking the Updated Settings
- Setting up Integrated Traces
- Notes on Using the Hitachi Network Objectplaza Trace Library
- Displaying the Hitachi Network Objectplaza Trace Library setup menu
- Changing the Size of Integrated Trace Files
- Changing the Number of Integrated Trace Files
- Changing the Buffer Size Per Monitoring Interval Duration
- Adjusting the Number of Messages to be Output Per Monitoring Interval
- Finishing the Hitachi Network Objectplaza Trace Library Settings
- Applying the Hitachi Network Objectplaza Trace Library Settings
- About the Reservation Policy
- Settings for Using PowerHA
- Storage System Settings
- Registering the HDLM Script for PowerHA
- Setting the Reservation Policy
- Settings for Using GPFS
- Settings for Using Oracle RAC 10g or Oracle RAC 11g
- Settings for MISSCOUNT and DISKTIMEOUT
- Settings for Reservation Policy
- Settings for Using VCS
- Removing HDLM
- Preparations for HDLM Removal
- Removing HDLM
- Removing Hitachi Network Objectplaza Trace Library (HNTRLib2)
- Removing Hitachi Network Objectplaza Trace Library (HNTRLib)
- Canceling Cluster Software (PowerHA) Settings
- HDLM System Requirements
- HDLM Operation
- Notes on Using HDLM
- Displaying Path Information
- When a Path Error Is Detected
- Storage System
- Notes on Shutting Down a Host
- Notes on Errors in a Host
- Notes on Enabling Both Primary and Secondary Volumes to Be Viewed From the Same Server
- Notes on an LVM Mirror Configuration
- Notes on When the OS Functionality in Not Available in a Boot Disk Environment
- Notes on Replicating a System
- HDLM Operations Using Commands
- Notes on Using Commands
- Viewing Path Information
- Changing the Status of Paths
- Viewing LU Information
- Displaying the Correspondences Between hdisks, OS Management Path IDs, and LDEVs
- Initializing Statistical Information for Paths
- Viewing and Setting Up the Operating Environment
- Viewing License Information
- Updating the License
- Viewing HDLM Version Information
- Viewing HDLM Component Information
- Starting and Stopping the HDLM Manager
- Starting the HDLM Manager
- Stopping the HDLM Manager
- HDLM Resident Processes
- Changing the Configuration of the HDLM Operating Environment
- Changing an HDLM Management-Target Device
- Changing hdisk attributes
- Changing a Path
- Replacing an HBA
- Replacing a Fiber Cable
- Replacing a Fibre Channel Switch
- Notes on Using HDLM
- Troubleshooting
- Information Collected by the DLMgetras Utility for Collecting HDLM Error Information
- Checking error information in messages
- What To Do for a Path Error
- Examining the messages
- Obtain path information
- Identifying the Error Path
- Narrowing Down the Hardware That Might Have Caused the Error
- Identifying the Error Location and Correcting any Hardware Errors
- Placing the Path Online
- What To Do for a Program Error
- Examining the Messages
- Obtaining Program Information
- What To Do for the Program Error
- Contacting your HDLM Vendor or Maintenance Company
- What To Do for Other Errors
- Command Reference
- Overview of the HDLM Command dlnkmgr
- clear (Returns the Path Statistics to the Initial Value)
- Format
- Parameters
- help (Displays the Operation Format)
- Format
- Parameter
- offline (Places Paths Offline)
- Format
- Parameters
- online (Places Paths Online)
- Format
- Parameters
- set (Sets Up the Operating Environment)
- Format
- Parameters
- view (Displays Information)
- Format
- Parameters
- add (Adds a Path Dynamically)
- Format
- Parameters
- delete (Deletes a Path Dynamically)
- Format
- Parameters
- Utility Reference
- Overview of the Utilities
- DLMgetras Utility for Collecting HDLM Error Information
- Format
- Parameters
- List of Collected Error Information
- dlmchpdattr Utility for Changing HDLM Default Settings
- Format
- Parameters
- dlmgetrasinst Utility for Collecting HDLM Installation Error Information
- Format
- Parameters
- List of Collected Error Information
- dlminstcomp Utility for HDLM Component Installation
- Format
- Parameter
- dlmmigsts Utility for Assisting HDLM Migration
- Format
- Parameters
- dlmodmset Utility for Setting the HDLM Execution Environment ODM
- Format
- Parameters
- dlmpostrestore Utility for HDLM Restoration Support
- Format
- Parameters
- dlmpr Utility for Clearing HDLM Persistent Reservation
- Format
- Parameters
- dlmpremkcd Utility for Preparing for a System Backup
- Format
- Parameters
- dlmpreremove Utility for Executed Before Removing HDLM
- Format
- Parameters
- dlmrmdev Utility for Deleting HDLM Drivers
- Format
- Parameters
- dlmrmprshkey Utility for Clearing HDLM Persistent Reservation (Shared-Host Methodology)
- Format
- Parameters
- installhdlm Utility for Installing HDLM
- Format
- Parameters
- Items To Be Defined in an installation-information Settings File
- Log file
- installux.sh Utility for HDLM Common Installer
- Format
- Parameters
- Log file
- Messages
- Before Viewing the List of Messages
- Format and Meaning of Message IDs
- Terms Used in Messages and Message Explanations
- Components that Output Messages to syslog
- KAPL01001 to KAPL02000
- KAPL03001 to KAPL04000
- KAPL04001 to KAPL05000
- KAPL05001 to KAPL06000
- KAPL06001 to KAPL07000
- KAPL07001 to KAPL08000
- KAPL08001 to KAPL09000
- KAPL09001 to KAPL10000
- KAPL10001 to KAPL11000
- KAPL11001 to KAPL12000
- KAPL13001 to KAPL14000
- KAPL15001 to KAPL16000
- Return Codes for Hitachi Command Suite Common Agent Component
- Before Viewing the List of Messages
- Functional Differences Between Versions of HDLM
- Functional Differences Between Version 6.2 and Versions Earlier than 6.2
- Functional Differences Between Version 6.1 and Versions Earlier than 6.1
- Functional Differences Between Version 6.0 or Later and Versions Earlier than 6.0
- Differences Between HDLM Version 5.9 or Later and Version 5.8.1 or Earlier
- Add-in HDLM Driver Module
- Simplifying the HDLM Environment Configuration and Operation Procedures by Changes to the Logical Device Files
- Changing the HDLM Environment Configuration and Operation Procedures by Changes to the Logical Device Files
- Migrating Reservation Control Settings
- Support for a Boot Disk Environment
- About Settings when Upgrading the OS
- Eliminating Settings when Upgrading the OS
- Eliminating Settings when Changing the Kernel Mode
- Changing a Virtual I/O Server's Method of Recognizing Virtual SCSI Disks
- Acronyms and abbreviations
- Glossary
- Index