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White paper Technical Concepts of ETERNUS CS8000
Technical White Paper
Technical Concepts of ETERNUS CS8000
Unified Data Protection with FUJITSU Storage ETERNUS CS8000
Overview
Today’s Requirements for Data Protection
ETERNUS CS Data Protection Appliances
ETERNUS CS8000 Overview
CS VTL Subsystem Interfaces and Operations
CS ViNS Subsystem Interfaces and Operations
Managing the Data Protection Appliance
ETERNUS CS8000 Models
Additional Information
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White paper Technical Concepts of ETERNUS CS8000
Table of Content
1 Today’s Requirements for Data Protection
2 ETERNUS CS Data Protection Appliances
2.1 ETERNUS CS800
2.2 ETERNUS CS8000
3 ETERNUS CS8000 Overview
3.1 CS VTL Subsystem Overview
3.2 CS ViNS Subsystem Overview
3.3 Hardware Architecture
3.3.1 System Overview
3.3.2 Processor Nodes
3.3.3 Infrastructure Components
3.3.4 Internal RAID System
3.4 Shared Cluster File System
3.4.1 Internal File Systems
3.4.2 Cache Mirroring Feature
3.4.3 Dual Site Redundancy
3.4.4 Automatic Failover
3.4.5 Recovery after Site Failures
4 CS VTL Subsystem Interfaces and Operations
4.1 CS VTL Interfaces and Logical Components
4.1.1 Introducing the CS VTL Operation
4.1.2 CS VTL Frontend
4.1.3 CS VTL Backend
4.1.4 Virtual and Physical Library Control
4.1.5 Tape Volume Cache (TVC)
4.2 Information Lifecycle Management with Virtual Tape
4.2.1 Overview of Policies for Tape Volume Processing
4.2.2 Correlation between Logical and Physical Volumes
4.2.3 The Volume Group Concept
4.2.4 The TVC within the Data Path of Tape Backup
4.2.5 Tape Volume Stacking
4.2.6 Un-stacked Volumes as Native Tape
4.2.7 Data Compression
4.2.8 Tape Volume Cache Management
4.3 Administration of Physical Tape Storage
4.3.1 Save and Restore to and from Cartridges
4.3.2 Administration and Secure Handling of Meta Data
4.3.3 Tape Reorganization and Tape Refresh
4.3.4 Secure Vaults
4.3.5 Encryption of Magnetic Tape Data
4.3.6 Backend Support of WORM Tapes
4.4 Disaster Resiliency with Virtual Tape
4.4.1 Multiple Library Support and Multiple Save
4.4.2 Dual Site Configuration
4.4.3 Cascaded Configurations
4.4.4 Native Tape Format for Cascaded Configurations
4.4.5 Cascading Connections
4.4.6 Cascading Usage Scenarios
4.5 Calculating System Performance
4.5.1 Avoiding Bottlenecks
4.5.2 Host Data Transfer Rates
4.6 Tape Processing with CS VTL in the Data Center
4.6.1 Introducing a CS VTL System
4.6.2 Benefits for Mainframes and Open Systems
4.6.3 Availability of the Appliance and Tape Processing
4.6.4 Operational Advantages
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4.7 Data Deduplication with CS VTL
4.7.1 Deduplication Technology
4.7.2 Deduplication Process
4.7.3 Deduplication System Architecture
4.7.4 Deduplication and Storage of Logical Volumes
4.7.5 Operation of Dedup Components in the Cluster
4.7.6 Multiple Deduplication Services in one System
4.7.7 Failover and Disaster Resiliency for Deduplication
4.7.8 Use Cases
4.7.9 Benefits of Deduplication
5 CS ViNS Subsystem Interfaces and Operations
5.1 CS ViNS Interfaces and Logical Components
5.2 CS ViNS Frontend
5.3 CS ViNS Data Replication
5.3.1 Setting up the Replication of a NAS File System
5.3.2 Replication Operation
5.3.3 Data Synchronization
5.3.4 Encrypted Replication
5.3.5 Manual Failover and Failback
5.3.6 Automatic Recovery from Replication Failures
5.4 CS ViNS HSM Backend
5.4.1 HSM Service
5.4.2 File Systems and File Groups
5.4.3 Physical Tape Storage
5.5 HSM Data Lifecycle
5.5.1 Storing and Protecting Files
5.5.2 Reading Files
5.5.3 Cleaning up Obsolete HSM Copies
5.6 Multiple HSM services
5.6.1 Distributing HSM Service Resources
5.6.2 Library Client/Manager Configurations
5.7 HSM Services with Loopback to CS VTL
5.7.1 Mapping of HSM Service Objects to CS VTL Objects
5.7.2 Availability Considerations
5.8 HSM Service Availability
5.8.1 Node-local-monitoring
5.8.2 Monitoring of an Active HSMS by a Standby HSMS
5.8.3 Failure Scenarios
5.9 HSM Backend Housekeeping
5.10 Archiving Applications
5.10.1 Certified Applications
5.10.2 File Protection Period
5.10.3 File Protection and HSM
6 Managing the Data Protection Appliance
6.1 User Interfaces
6.1.1 Console Graphical User Interfaces
6.1.2 Web-based Graphical User Interface
6.1.3 Command Line Interface
6.2 User Management Service
6.3 Serviceability
6.4 Total Cost of Ownership
7 Models of the ETERNUS CS8000 Series
8 Additional Information
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