Fujitsu ETERNUS AF250 Design Manual

• 2

  Table of Contents
• 12

  About This Manual
• 12

  Document Conventions
• 12

  Intended Audience

14

1 Function

• 14

  Table 1 Function
  • 16

    RAID Functions
    • 16

      Supported RAID
    • 17

      Figure 1 RAID0 Concept
    • 17

      Figure 2 RAID1 Concept
    • 18

      Figure 3 RAID1+0 Concept
    • 18

      Figure 4 RAID5 Concept
    • 19

      Figure 5 RAID5+0 Concept
    • 20

      Figure 6 RAID6 Concept
    • 21

      Figure 7 RAID6-FR Concept
    • 21

      Table 2 RAID Level Comparison
    • 22

      User Capacity (Logical Capacity)
    • 22

      Table 3 Formula for Calculating User Capacity for Each RAID Level
    • 22

      Table 4 User Capacity Per Drive
    • 23

      RAID Group
    • 23

      Table 5 RAID Group Types and Usage
    • 24

      Figure 8 Example of a RAID Group
    • 24

      Table 6 Recommended Number of Drives Per RAID Group
    • 25

      Volume
    • 25

      Figure 9 Volume Concept
    • 25

      Table 7 Volumes That Can Be Created
    • 27

      Hot Spares
    • 27

      Figure 10 Hot Spares
    • 28

      Table 8 Hot Spare Selection Criteria
  • 29

    Data Protection
    • 29

      Data Block Guard
    • 29

      Figure 11 Data Block Guard
    • 30

      Disk Drive Patrol
    • 30

      Figure 12 Disk Drive Patrol
    • 31

      Redundant Copy
    • 31

      Figure 13 Redundant Copy Function
    • 32

      Rebuild
    • 32

      Figure 14 Rebuild
    • 33

      Fast Recovery
    • 33

      Figure 15 Fast Recovery
    • 34

      Copyback/Copybackless
    • 34

      Figure 16 Copyback
    • 35

      Figure 17 Copybackless
    • 36

      Protection (Shield)
    • 36

      Figure 18 Protection (Shield)
  • 38

    Operations Optimization (Deduplication/Compression and Storage Virtualization)
    • 38

      Deduplication/Compression
    • 38

      Figure 19 Deduplication/Compression Overview
    • 39

      Figure 20 Deduplication Overview
    • 39

      Figure 21 Compression Overview
    • 40

      Table 9 Deduplication/Compression Function Specifications
    • 41

      Table 10 Method for Enabling the Deduplication/Compression Function
    • 42

      Table 11 Volumes That Are to Be Created Depending On the Selection of "Deduplication" and "Compression
    • 42

      Table 12 Deduplication/Compression Setting for Tpps Where the Target Volumes Can Be Created
    • 44

      Figure 22 Details of the Deduplication/Compression Function
    • 45

      Table 13 Target Deduplication/Compression Volumes of Each Function
    • 46

      Thin Provisioning
    • 46

      Figure 23 Storage Capacity Virtualization
    • 47

      Table 14 TPP Maximum Number and Capacity
    • 47

      Table 15 Chunk Size According to the Configured TPP Capacity
    • 47

      Table 16 Levels and Configurations for a RAID Group That Can Be Registered in a TPP
    • 48

      Table 17 TPP Thresholds
    • 48

      Table 18 TPV Thresholds
    • 49

      Figure 24 TPV Balancing (When Allocating Disproportionate TPV Physical Capacity Evenly)
    • 49

      Figure 25 TPV Balancing (When Distributing Host Accesses Evenly After TPP Expansion)
    • 51

      Figure 26 TPV/FTV Capacity Optimization
    • 52

      Flexible Tier
    • 52

      Table 19 Chunk Size and Data Transfer Unit
    • 53

      Figure 27 FTV Configuration
    • 53

      Table 20 the Maximum Number and the Maximum Capacity of Ftsps
    • 54

      Table 21 Levels and Configurations for a RAID Group That Can Be Registered in a FTSP
    • 55

      Table 22 FTRP Thresholds
    • 55

      Table 23 FTV Thresholds
    • 56

      Figure 28 FTRP Balancing
  • 57

    Optimization of Volume Configurations
    • 57

      Table 24 Optimization of Volume Configurations
    • 59

      Figure 29 RAID Migration (When Data Is Migrated to a High Capacity Drive)
    • 59

      Figure 30 RAID Migration (When a Volume Is Moved to a Different RAID Level)
    • 59

      RAID Migration
    • 60

      Figure 31 RAID Migration
    • 61

      Figure 32 Logical Device Expansion (When Expanding the RAID Group Capacity)
    • 61

      Figure 33 Logical Device Expansion (When Changing the RAID Level)
    • 61

      Logical Device Expansion
    • 62

      Figure 34 LUN Concatenation
    • 62

      LUN Concatenation
    • 63

      Figure 35 LUN Concatenation (When the Concatenation Source Is a New Volume)
    • 63

      Figure 36 LUN Concatenation (When the Existing Volume Capacity Is Expanded)
    • 64

      Figure 37 Wide Striping
    • 64

      Wide Striping
  • 65

    Data Encryption
    • 66

      Encryption with Self Encrypting Drive (SED)
    • 66

      Figure 38 Data Encryption with Self Encrypting Drives (SED)
    • 67

      Firmware Data Encryption
    • 67

      Figure 39 Firmware Data Encryption
    • 68

      Key Management Server Linkage
    • 68

      Table 25 Functional Comparison Between the SED Authentication Key (Common Key) and Key Management Server
    • 69

      Figure 40 Key Management Server Linkage
  • 71

    User Access Management
    • 71

      Account Management
    • 71

      Figure 41 Account Management
    • 72

      Table 26 Available Functions for Default Roles
    • 73

      User Authentication
    • 73

      Table 27 Client Public Key (SSH Authentication)
    • 75

      Audit Log
    • 75

      Figure 42 Audit Log
  • 76

    Improving Host Connectivity
    • 76

      Host Affinity
    • 76

      Figure 43 Host Affinity
    • 77

      Figure 44 Associating Host Groups, CA Port Groups, and LUN Groups
    • 78

      Iscsi Security
  • 78

    Environmental Burden Reduction
  • 78

    Figure 45 Power Consumption Visualization
  • 79

    Operation Management/Device Monitoring
    • 79

      Operation Management Interface
    • 79

      Table 28 ETERNUS Web GUI Operating Environment
    • 80

      Performance Information Management
    • 82

      Event Notification
    • 82

      Figure 46 Event Notification
    • 82

      Table 29 Levels and Contents of Events That Are Notified
    • 83

      Table 30 SNMP Specifications
    • 84

      Device Time Synchronization
    • 84

      Figure 47 Device Time Synchronization
  • 85

    Power Control
    • 85

      Power Synchronized Unit
    • 85

      Figure 48 Power Synchronized Unit
    • 86

      Remote Power Operation (Wake On LAN)
    • 86

      Figure 49 Wake On LAN
  • 87

    Backup (Advanced Copy)
    • 87

      Figure 50 Example of Advanced Copy
    • 87

      Table 31 Control Software (Advanced Copy)
    • 88

      Backup
    • 88

      Table 32 List of Functions (Copy Methods)
    • 89

      Table 33 Characteristics of Snapopc/Snapopc+ Operations with Each Type of Copy Destination Logical Volume
    • 90

      Figure 51 REC
    • 90

      Table 34 REC Data Transfer Mode
    • 93

      Figure 52 Restore OPC
    • 93

      Figure 53 EC or REC Reverse
    • 94

      Figure 54 Targets for the Multi-Copy Function
    • 94

      Figure 55 Multi-Copy
    • 95

      Figure 56 Multi-Copy (Including Snapopc+)
    • 95

      Figure 57 Multi-Copy (Using the Consistency Mode)
    • 96

      Figure 58 Multi-Copy (Case 1: When Performing a Cascade Copy for an REC Session in Consistency Mode)
    • 96

      Figure 59 Multi-Copy (Case 2: When Performing a Cascade Copy for an REC Session in Consistency Mode)
    • 97

      Figure 60 Cascade Copy
    • 97

      Table 35 Available Cascade Copy Combinations (When a Cascade Copy Performs Session 1 Followed By Session 2)
    • 98

      Table 36 Available Cascade Copy Combinations (When a Cascade Copy Performs Session 2 Followed By Session 1)
    • 100

      Figure 61 Cascade Copy (Using Three Copy Sessions)
    • 100

      Figure 62 Cascade Copy (Using Four Copy Sessions)
  • 101

    Performance Tuning
    • 101

      Striping Size Expansion
    • 101

      Table 37 Available Stripe Depth
    • 102

      Assigned Cms
  • 102

    Stable Operation Via Load Control
    • 102

      Quality of Service (Qos)
    • 102

      Figure 63 Assigned Cms
    • 103

      Figure 64 Qos
    • 103

      Figure 65 Copy Path Bandwidth Limit
    • 104

      Host Response
    • 104

      Figure 66 Host Response
    • 105

      Storage Cluster
    • 105

      Figure 67 Storage Cluster
    • 106

      Figure 68 Mapping Tfovs, TFO Groups, and CA Port Pairs
    • 106

      Table 38 Storage Cluster Function Specifications
  • 108

    Data Migration
    • 108

      Storage Migration
    • 108

      Figure 69 Storage Migration
  • 110

    Non-Disruptive Storage Migration
  • 110

    Figure 70 Non-Disruptive Storage Migration
  • 110

    Table 39 Specifications for Paths and Volumes Between the Local Storage System and the External Storage System
  • 112

    Server Linkage Functions
    • 112

      Oracle VM Linkage
    • 112

      Figure 71 Oracle VM Linkage
    • 113

      Vmware Linkage
    • 113

      Figure 72 Vmware Linkage
    • 115

      Figure 73 VVOL (Operational Configuration)
    • 116

      Figure 74 VVOL (System Configuration)
    • 117

      Table 40 Maximum VVOL Capacity
    • 117

      Table 41 VVOL Management Information Specifications
    • 118

      Veeam Storage Integration
    • 118

      Figure 75 Veeam Storage Integration
    • 120

      Table 42 Volume Types That Can Be Used with Veeam Storage Integration
    • 121

      Microsoft Linkage
    • 121

      Figure 76 Microsoft Linkage
    • 122

      Openstack Linkage
    • 123

      Logical Volume Manager (LVM)
    • 123

      Figure 77 Logical Volume Manager (LVM)
  • 124

    Smart Setup Wizard
  • 124

    Table 43 Guideline for the Number of Drives and User Capacities (When 1.92TB Ssds Are Installed)
  • 126

    Figure 78 RAID Configuration Example (When 12 Ssds Are Installed)

127

2 Connection Configuration

• 127

  SAN Connection
  • 127

    Host Interface
  • 128

    Table 44 Ethernet Frame Capacity (Jumbo Frame Settings)
  • 129

    Access Method
  • 129

    Figure 79 Single Path Connection (When a SAN Connection Is Used - Direct Connection)
  • 129

    Figure 80 Single Path Connection (When a SAN Connection Is Used - Switch Connection)
  • 130

    Figure 81 Multipath Connection (When a SAN Connection Is Used - Basic Connection Configuration)
  • 130

    Figure 82 Multipath Connection (When a SAN Connection Is Used - Switch Connection)
  • 131

    Figure 83 Multipath Connection (When a SAN Connection Is Used - for Enhanced Performance)
• 132

  Remote Connections
  • 132

    Figure 84 Example of Non-Supported Connection Configuration (When Multiple Types of Remote Interfaces Are In- Stalled in the Same ETERNUS DX/AF)
  • 132

    Figure 85 Example of Supported Connection Configuration (When Multiple Types of Remote Interfaces Are Installed in the Same ETERNUS DX/AF)
  • 133

    Figure 86 an FC Connection for a Remote Copy Between ETERNUS DX/AF Storage Systems (When Redundant Paths Are Used)
  • 133

    Figure 87 an FC Connection for a Remote Copy Between ETERNUS DX/AF Storage Systems (When Lines Are Used)
  • 133

    Figure 88 an Iscsi Connection for a Remote Copy Between ETERNUS DX/AF Storage Systems (When Lines Are Used)
  • 133

    Remote Interfaces
  • 134

    Connectable Models
  • 134

    Table 45 Connectable Models and Available Remote Interfaces
• 135

  LAN Connection
  • 135

    LAN for Operation Management (MNT Port)
  • 136

    Figure 89 Connection Example Without a Dedicated Remote Support Port
  • 136

    Figure 90 Connection Example When the IP Address of the Slave CM Is Set
  • 137

    LAN for Remote Support (RMT Port)
  • 137

    Figure 91 Overview of the AIS Connect Function
  • 138

    Figure 92 Security Features
  • 139

    Figure 93 Connection Example with a Dedicated Remote Support Port
  • 140

    LAN Control (Master CM/Slave CM)
  • 140

    Figure 94 Connection Example When the IP Address of the Slave CM Is Set
  • 141

    Figure 95 LAN Control (Switching of the Master CM)
  • 141

    Figure 96 LAN Control (When the IP Address of the Slave CM Is Set)
  • 142

    Network Communication Protocols
  • 142

    Table 46 LAN Port Availability
• 144

  Power Supply Connection
  • 144

    Input Power Supply Lines
  • 144

    UPS Connection
• 145

  Power Synchronized Connections
  • 145

    Power Synchronized Connections (PWC)
  • 145

    Figure 97 Power Supply Control Using a Power Synchronized Unit (When Connecting One or Two Servers)
  • 147

    Figure 98 Power Supply Control Using a Power Synchronized Unit (When Connecting Three or More Servers)
  • 148

    Power Synchronized Connections (Wake On LAN)
  • 148

    Figure 99 Power Supply Control Using Wake On LAN

149

3 Hardware Configurations

• 149

  Configuration Schematics
• 149

  Figure 100 Minimum Configuration Diagram: ETERNUS AF250 S2
• 150

  Figure 101 Minimum Configuration Diagram: ETERNUS AF250
• 151

  Figure 102 Maximum Configuration Diagram: ETERNUS AF250 S2
• 152

  Figure 103 Maximum Configuration Diagram: ETERNUS AF250
• 153

  Figure 104 Enclosure Connection Path
• 154

  Optional Product Installation Conditions
  • 154

    Host Interfaces
  • 155

    Drive Enclosures
  • 155

    Drives
• 156

  Standard Installation Rules
  • 156

    Host Interface
  • 156

    Drive Enclosure
  • 156

    Figure 105 Host Interface Installation Diagram
  • 157

    Drive
  • 157

    Figure 106 Installation Diagram for 2.5" Drives
• 158

  Recommended RAID Group Configurations
• 158

  Figure 107 Drive Combination 1
• 158

  Figure 108 Drive Combination 2
• 159

  Figure 109 Drive Combination 3

160

4 Maintenance/Expansion

• 160

  Hot Swap/Hot Expansion
  • 160

    Hot Swap/Hot Expansion (ETERNUS AF250 S2)
  • 160

    Table 47 Hot Swap and Hot Expansion Availability for Components (ETERNUS AF250 S2)
  • 161

    Hot Swap/Hot Expansion (ETERNUS AF250)
• 161

  User Expansion
• 161

  Table 48 Hot Swap and Hot Expansion Availability for Components (ETERNUS AF250)
• 162

  SSD Sanitization

163

Function Specification List

• 163

  List of Supported Protocols
• 163

  Table 49 List of Supported Protocols
• 164

  Target Pool for Each Function/Volume List
  • 164

    Target RAID Groups/Pools of Each Function
  • 165

    Target Volumes of Each Function
• 167

  Combinations of Functions That Are Available for Simultaneous Executions
  • 167

    Table 50 Combinations of Functions That Can Be Executed Simultaneously (1/2)
  • 167

    Table 51 Combinations of Functions That Can Be Executed Simultaneously (2/2)
  • 169

    Capacity That Can Be Processed Simultaneously
  • 169

    Number of Processes That Can Be Executed Simultaneously