J2S1-6601-04ENZ2(A)
Before using this online manual Preface Chapter 1 Function 1.1 GDS Features 1.2 Functions for High Availability 1.2.1 Disk Mirroring 1.2.1.1 System Disk Mirroring 1.2.1.2 Mirroring between Disk Array Unit 1.2.1.3 Shared Disk Mirroring 1.2.2 Hot Spare 1.2.3 Hot Swap 1.2.4 Just Resynchronization Mechanism (JRM) 1.3 Functions for High Manageability 1.3.1 Operation Management Interface 1.3.2 Centralized Disk Management 1.3.3 Name Management 1.3.4 Single System Image Environment 1.3.5 Access Control 1.3.6 Realizing Large Capacity and I/O Load Balancing 1.3.6.1 Logical Partitioning 1.3.6.2 Disk Concatenation 1.3.6.3 Disk Striping 1.3.6.4 Combining Disk Striping with Mirroring 1.3.7 Online Volume Expansion 1.3.8 Snapshots by Slice Detachment 1.4 GDS Snapshot Features 1.5 Proxy Volume 1.5.1 Snapshot by Synchronization 1.5.2 Snapshot Function with No Load to the Server/SAN 1.5.3 Instant Snapshot by OPC 1.5.4 Instant Restore 1.5.5 Online Disk Migration 1.5.6 Creating an Alternative Boot Environment 1.6 Shadow Volume 1.6.1 Accessing Volumes from an External Server 1.6.2 Using the Copy Function of a Disk Unit Chapter 2 Objects 2.1 SDX Object 2.2 Disk Class 2.3 SDX Disk 2.4 Disk Group 2.5 Logical Volume 2.6 Logical Slice 2.7 GDS Snapshot Objects 2.7.1 Proxy Object 2.7.2 Shadow Object 2.7.2.1 Shadow Class 2.7.2.2 Shadow Disk 2.7.2.3 Shadow Group 2.7.2.4 Shadow Volume 2.7.2.5 Shadow Slice Chapter 3 Starting and Exiting GDS Management View 3.1 Preparation for Starting GDS Management View 3.1.1 Deciding the User Group 3.1.1.1 User Group Types 3.1.1.2 Creating User Groups 3.1.1.3 Registering to a User Group 3.1.2 Setting up the Client Environment 3.1.3 Setting up the Web Environment 3.2 Starting the GDS Management View 3.2.1 Starting Web-Based Admin View Operation Menu 3.2.2 Web-Based Admin View Operation Menu Functions 3.2.3 Starting GDS Management View 3.3 Exiting GDS Management View 3.4 Changing the Web-Based Admin View Settings Chapter 4 Management View Screen Elements 4.1 Screen Configuration 4.2 Menu Configuration and Functions 4.2.1 General 4.2.2 Settings 4.2.3 Operation 4.2.4 View 4.2.5 Help 4.3 Icon Types and Object Status 4.4 Object Information Chapter 5 Operation 5.1 Operation Outline 5.1.1 System Disk Settings 5.1.2 Automatic Configuration 5.1.3 Configuration Settings 5.1.3.1 Single Volume Configuration Settings 5.1.3.2 Other Volume Configuration Settings 5.1.4 Backup 5.1.4.1 Backup (by Slice Detachment) 5.1.4.2 Backup (by Synchronization) 5.1.4.3 Backup (by OPC) 5.1.5 Restore 5.1.6 Disk Swap 5.1.7 Disk Migration 5.1.8 Configuration Change 5.1.9 Unmirroring the System Disk 5.1.10 Operations from GDS Management View 5.2 Settings 5.2.1 System Disk Settings 5.2.2 Automatic Configuration Wizard 5.2.3 Operating from the Settings Menu 5.2.3.1 Class Configuration 5.2.3.2 Cluster System Class Configuration 5.2.3.3 Group Configuration 5.2.3.4 Volume Configuration 5.2.4 File System Configuration 5.2.5 Proxy Configuration 5.2.5.1 Join 5.2.5.2 Relate 5.3 Operation in Use 5.3.1 Viewing Configurations and Monitoring Statuses 5.3.1.1 Confirming SDX Object Configuration 5.3.1.2 Viewing Proxy Object Configurations 5.3.1.3 Monitoring Object Status 5.3.2 Backup 5.3.2.1 Backup (by Slice Detachment) 5.3.2.2 Backup (by Synchronization) 5.3.2.3 Backup (by OPC) 5.3.3 Restore 5.3.4 Disk Swap 5.3.5 Disk Migration 5.3.6 Copying Operation 5.4 Changes 5.4.1 Class Configuration 5.4.2 Group Configuration 5.4.3 Volume Configuration 5.5 Removals 5.5.1 Removing a File System 5.5.2 Removing a Volume 5.5.3 Removing a Group 5.5.4 Removing a Class 5.5.5 Unmirroring the System Disk 5.5.6 Breaking a Proxy Chapter 6 Backing Up and Restoring 6.1 Backing Up and Restoring a System Disk 6.1.1 Backing Up 6.1.2 Restoring (When the System Can Be Booted) 6.1.3 Restoring (When the System Cannot Be Booted) 6.2 Backing Up and Restoring a System Disk through an Alternative Boot Environment 6.2.1 System Configuration 6.2.2 Summary of Backup 6.2.3 Summary of Restore 6.2.4 Summary of Procedure 6.2.5 Configuring an Environment 6.2.6 Backing Up 6.2.7 Restoring 6.3 Backing Up and Restoring Local Disks and Shared Disks 6.3.1 Offline Backup 6.3.2 Online Backup (by Slice Detachment) 6.3.3 Restoring 6.4 Online Backup and Instant Restore through Proxy Volume 6.4.1 Online Backup (by Synchronization) 6.4.2 Online Backup (Snapshot by OPC) 6.4.3 Instant Restore 6.5 Backing Up and Restoring through Disk Unit's Copy Functions 6.5.1 Configuring an Environment 6.5.2 Backing Up 6.5.3 Restoring from Backup Disks 6.6 Backing Up and Restoring through an External Server 6.6.1 Backing Up and Restoring a Logical Volume with No Replication 6.6.1.1 System Configuration 6.6.1.2 Summary of Backup 6.6.1.3 Summary of Restore 6.6.1.4 Summary of Procedure 6.6.1.5 Configuring an Environment 6.6.1.6 Backing Up 6.6.1.7 Restoring 6.6.2 Backing Up and Restoring through Snapshot by Slice Detachment 6.6.2.1 System Configuration 6.6.2.2 Summary of Backup 6.6.2.3 Summary of Restore 6.6.2.4 Summary of Procedure 6.6.2.5 Configuring an Environment 6.6.2.6 Backing Up 6.6.2.7 Restoring 6.6.3 Backing Up and Restoring Using Snapshots from a Proxy Volume 6.6.3.1 System Configuration 6.6.3.2 Summary of Backup 6.6.3.3 Summary of Restore from a Proxy Volume 6.6.3.4 Summary of Restore from Tape 6.6.3.5 Summary of Procedure 6.6.3.6 Configuring an Environment 6.6.3.7 Backing Up 6.6.3.8 Restoring from a Proxy Volume 6.6.3.9 Restoring from Tape 6.6.4 Backing Up and Restoring by the Disk Unit's Copy Function 6.6.4.1 System Configuration 6.6.4.2 Summary of Backup 6.6.4.3 Summary of Restore from a BCV 6.6.4.4 Summary of Restore from Tape 6.6.4.5 Summary of Procedure 6.6.4.6 Configuring an Environment 6.6.4.7 Backing Up 6.6.4.8 Restoring form a BCV 6.6.4.9 Restoring from Tape 6.7 Backing Up and Restoring Object Configurations 6.7.1 Backing Up 6.7.2 Restoring Appendix A General Notes A.1 Rules A.1.1 Object Name A.1.2 Number of Classes A.1.3 Number of Disks A.1.4 Number of Groups A.1.5 Number of Volumes A.1.6 Number of Keep Disks A.1.7 Creating Group Hierarchy A.1.8 Exception to Proxy Configuration A.1.9 Number of Proxy Volumes A.1.10 Proxy Volume Size A.1.11 Proxy Group Size A.2 Important Points A.2.1 Physical Disk Driver A.2.2 Managing System Disks A.2.3 Restraining Access to Physical Special File A.2.4 Booting from a CD-ROM Device A.2.5 Initializing Disk A.2.6 Disk Size A.2.7 Volume Size A.2.8 Hot Spare A.2.9 System Disk Mirroring A.2.10 Keep Disk A.2.11 GFS Partition on a Keep Disk A.2.12 Creating a Snapshot by Slice Detachment A.2.13 The Difference between a Mirror Slice and a Proxy Volume A.2.14 Just Resynchronization Mechanism (JRM) A.2.15 Online Volume Expansion A.2.16 Swapping Physical Disks A.2.17 Object Operation When Using Proxy A.2.18 Using the Advanced Copy Function in a Proxy Configuration A.2.19 Instant Snapshot by OPC A.2.20 To Use EMC Symmetrix A.2.21 Using EMC TimeFinder or EMC SRDF in a Proxy Configuration A.2.22 Ensuring Consistency of Snapshot Data A.2.23 Data Consistency at the time of Simultaneous Access A.2.24 Volume Access Mode A.2.25 Operation in Cluster System A.2.26 Changing Over from Single Nodes to a Cluster System A.2.27 Disk Switch A.2.28 Shadow Volume A.2.29 Configuration Tables A.2.30 GDS Management View A.2.31 Swapping FC-AL Internal Disks A.2.32 Use of GDS in Solaris 10 Environments A.3 General Points A.3.1 Guidelines for Mirroring A.3.2 Guidelines for Striping A.3.3 Guidelines for Concatenation A.3.4 Guidelines for Combining Striping with Mirroring Appendix B Log Viewing with Web-Based Admin View Appendix C Web-Based Admin View Operating Environment Setting Appendix D Command Reference D.1 sdxclass - Class operations D.2 sdxdisk - Disk operations D.3 sdxgroup - Group operations D.4 sdxvolume - Volume operations D.5 sdxslice - Slice operations D.6 sdxinfo - Display object configuration and status information D.7 sdxattr - Set objects attributes D.8 sdxswap - Swap disk D.9 sdxfix - Restore a failed object D.10 sdxcopy - Synchronization copying operation D.11 sdxroot - Root file system mirroring definition and cancellation D.12 sdxparam - Configuration parameter operations D.13 sdxconfig - Object configuration operations D.14 sdxproxy - Proxy object operations D.15 sdxshadowdisk - Shadow disk operations D.16 sdxshadowgroup - Shadow group operations D.17 sdxshadowvolume - Shadow volume operations D.18 Volume Creation Using Command D.19 Snapshot Creation Using Command D.20 Volume Expansion Using Commands Appendix E GDS Messages E.1 Web-Based Admin View Messages E.2 Driver Messages E.2.1 Panic Messages E.2.2 Warning Messages E.2.3 Information Messages E.2.4 Internal Error Messages E.3 Daemon Messages E.3.1 Halt Messages E.3.2 Error Messages E.3.3 Warning Messages E.3.4 Information Messages E.3.5 Internal Error Messages E.4 Command Messages E.4.1 Error Messages E.4.2 Warning Messages E.4.3 Information Messages E.4.4 Fix Messages E.4.5 Internal Error Messages E.5 Operation Management View Messages E.5.1 Error Messages E.5.2 Warning Messages E.5.3 Information Messages Appendix F Troubleshooting F.1 Resolving Problems F.1.1 Slice Status Abnormality F.1.2 Disk Status Abnormality F.1.3 Volume Status Abnormality F.1.4 Class Status Abnormality F.1.5 System Disk Abnormality F.1.6 GDS Management View Abnormality F.1.7 Proxy Object Abnormality F.1.8 EMC Symmetrix Abnormality F.1.9 Cluster System Related Error F.1.10 Shadow Object Errors F.1.11 Disk Unit Error F.2 Collecting Investigation Material F.2.1 Collecting with fjsnap Command F.2.2 Collecting Initial Investigation Material with sdxsnap.sh Script Appendix G Frequently Asked Questions (FAQ) G.1 Operation Design G.2 Environment Configuration G.3 Operation Glossary