J2UZ-5351-02ENZ2(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 Mirroring between Disk Array Unit 1.2.1.2 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 1.6 Shadow Volume 1.6.1 Accessing Volumes from an External Server 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 Configuration Settings 5.1.1.1 Single Volume Configuration Settings 5.1.1.2 Other Volume Configuration Settings 5.1.2 Backup 5.1.2.1 Backup (by Slice Detachment) 5.1.2.2 Backup (by Synchronization) 5.1.2.3 Backup (by OPC) 5.1.3 Restore 5.1.4 Disk Swap 5.1.5 Disk Migration 5.1.6 Configuration Change 5.1.7 Operations from GDS Management View 5.2 Settings 5.2.1 Operating from the Settings Menu 5.2.1.1 Class Configuration 5.2.1.2 Group Configuration 5.2.1.3 Volume Configuration 5.2.2 File System Configuration 5.2.3 Proxy Configuration 5.2.3.1 Join 5.2.3.2 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 Breaking a Proxy Chapter 6 Backing Up and Restoring 6.1 Backing Up and Restoring Shared Disks 6.1.1 Offline Backup 6.1.2 Online Backup (by Slice Detachment) 6.1.3 Restoring 6.2 Online Backup and Instant Restore through Proxy Volume 6.2.1 Online Backup (by Synchronization) 6.2.2 Online Backup (Snapshot by OPC) 6.2.3 Instant Restore 6.3 Backing Up and Restoring through an External Server 6.3.1 Backing Up and Restoring a Logical Volume with No Replication 6.3.1.1 System Configuration 6.3.1.2 Summary of Backup 6.3.1.3 Summary of Restore 6.3.1.4 Summary of Procedure 6.3.1.5 Configuring an Environment 6.3.1.6 Backing Up 6.3.1.7 Restoring 6.3.2 Backing Up and Restoring through Snapshot by Slice Detachment 6.3.2.1 System Configuration 6.3.2.2 Summary of Backup 6.3.2.3 Summary of Restore 6.3.2.4 Summary of Procedure 6.3.2.5 Configuring an Environment 6.3.2.6 Backing Up 6.3.2.7 Restoring 6.3.3 Backing Up and Restoring Using Snapshots from a Proxy Volume 6.3.3.1 System Configuration 6.3.3.2 Summary of Backup 6.3.3.3 Summary of Restore from a Proxy Volume 6.3.3.4 Summary of Restore from Tape 6.3.3.5 Summary of Procedure 6.3.3.6 Configuring an Environment 6.3.3.7 Backing Up 6.3.3.8 Restoring from a Proxy Volume 6.3.3.9 Restoring from Tape 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 Creating Group Hierarchy A.1.7 Exception to Proxy Configuration A.1.8 Number of Proxy Volumes A.1.9 Proxy Volume Size A.1.10 Proxy Group Size A.2 Important Points A.2.1 Managing System Disks A.2.2 Restraining Access to Physical Special File A.2.3 Booting from a CD-ROM Device A.2.4 Initializing Disk A.2.5 Disk Size A.2.6 Volume Size A.2.7 Hot Spare A.2.8 Creating a Snapshot by Slice Detachment A.2.9 The Difference between a Mirror Slice and a Proxy Volume A.2.10 Just Resynchronization Mechanism (JRM) A.2.11 Online Volume Expansion A.2.12 Object Operation When Using Proxy A.2.13 Using the Advanced Copy Function in a Proxy Configuration A.2.14 Instant Snapshot by OPC A.2.15 Ensuring Integrity of Snapshot Data A.2.16 Data Consistency at the time of Simultaneous Access A.2.17 Volume Access Mode A.2.18 Operation in Cluster System A.2.19 Disk Switch A.2.20 Shadow Volume A.2.21 GDS Management View A.2.22 Upgrading Instructions 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 sdxparam - Configuration parameter operations D.12 sdxproxy - Proxy object operations D.13 sdxshadowdisk - Shadow disk operations D.14 sdxshadowgroup - Shadow group operations D.15 sdxshadowvolume - Shadow volume operations D.16 Volume Creation Using Command D.17 Snapshot Creation Using Command Appendix E GDS Messages E.1 Web-Based Admin View Messages E.2 Driver Messages E.2.1 Warning Messages E.2.2 Information Messages E.2.3 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 GDS Management View Abnormality F.1.6 Cluster System Related Error F.1.7 Shadow Object Errors F.1.8 Disk Unit Error F.2 Collecting Investigation Material F.2.1 Collecting with pclsnap 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 Appendix H Register shared disk units H.1 Preparation to Use GDS H.2 Registration of shared disk units H.3 Registration procedure H.4 Command Reference H.4.1 clautoconfig(8)-Execute automatic resource registration H.4.2 cldelrsc(8)-Delete resource created by automatic resource registration Glossary