Fujitsu ETERNUS DX500 S4/DX600 S4 Guide

FUJITSU Storage
ETERNUS DX500 S4/DX600 S4,
ETERNUS DX500 S3/DX600 S3
Hybrid Storage Systems
Design Guide (Basic)
System configuration design
P3AM-7722-25ENZ0

Table of Contents
1. Function Overview 14
2. Basic Functions 16
RAID Functions.............................................................................................................................. 16
Supported RAID.....................................................................................................................................................16
User Capacity (Logical Capacity)............................................................................................................................22
RAID Group............................................................................................................................................................24
Volume..................................................................................................................................................................26
Hot Spares.............................................................................................................................................................28
Data Protection............................................................................................................................. 31
Data Block Guard ..................................................................................................................................................31
Disk Drive Patrol....................................................................................................................................................33
Redundant Copy....................................................................................................................................................34
Rebuild..................................................................................................................................................................35
Fast Recovery ........................................................................................................................................................36
Copyback/Copybackless.........................................................................................................................................37
Protection (Shield)................................................................................................................................................39
Reverse Cabling.....................................................................................................................................................41
Operations Optimization (Virtualization/Automated Storage Tiering)........................................... 42
Thin Provisioning ..................................................................................................................................................42
Flexible Tier ..........................................................................................................................................................49
Extreme Cache ......................................................................................................................................................55
Extreme Cache Pool ..............................................................................................................................................56
Optimization of Volume Configurations ........................................................................................ 57
RAID Migration......................................................................................................................................................59
Logical Device Expansion......................................................................................................................................61
LUN Concatenation ...............................................................................................................................................62
Wide Striping ........................................................................................................................................................65
Data Encryption ............................................................................................................................ 66
Encryption with Self Encrypting Drive (SED)..........................................................................................................67
Firmware Data Encryption.....................................................................................................................................68
Key Management Server Linkage..........................................................................................................................69
User Access Management ............................................................................................................. 72
Account Management...........................................................................................................................................72
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User Authentication ..............................................................................................................................................74
Audit Log ..............................................................................................................................................................76
Environmental Burden Reduction ................................................................................................. 77
Eco-mode..............................................................................................................................................................77
Power Consumption Visualization .........................................................................................................................80
Operation Management/Device Monitoring.................................................................................. 81
Operation Management Interface.........................................................................................................................81
Performance Information Management................................................................................................................82
Event Notification .................................................................................................................................................84
Device Time Synchronization.................................................................................................................................87
Power Control ............................................................................................................................... 88
Power Synchronized Unit.......................................................................................................................................88
Remote Power Operation (Wake On LAN) .............................................................................................................89
Backup (Advanced Copy) .............................................................................................................. 90
Backup (SAN)........................................................................................................................................................91
Performance Tuning.................................................................................................................... 104
Striping Size Expansion.......................................................................................................................................104
Assigned CMs ......................................................................................................................................................105
Smart Setup Wizard..................................................................................................................... 106
3. SAN Functions 112
Operations Optimization (Deduplication/Compression).............................................................. 112
Deduplication/Compression ................................................................................................................................112
Improving Host Connectivity ....................................................................................................... 120
Host Affinity ........................................................................................................................................................120
iSCSI Security.......................................................................................................................................................122
Stable Operation via Load Control............................................................................................... 122
Quality of Service (QoS).......................................................................................................................................122
Host Response ....................................................................................................................................................124
Storage Cluster....................................................................................................................................................125
Data Migration............................................................................................................................ 128
Storage Migration ...............................................................................................................................................128
Non-disruptive Storage Migration............................................................................................... 130
Server Linkage Functions ............................................................................................................ 132
Oracle VM Linkage ..............................................................................................................................................132
Table of Contents
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VMware Linkage..................................................................................................................................................133
Veeam Storage Integration .................................................................................................................................138
Microsoft Linkage................................................................................................................................................141
OpenStack Linkage .............................................................................................................................................142
Logical Volume Manager (LVM) ..........................................................................................................................143
4. Connection Configuration 144
SAN Connection .......................................................................................................................... 144
Host Interface .....................................................................................................................................................144
Access Method ....................................................................................................................................................146
Remote Connections ................................................................................................................... 149
Remote Interfaces...............................................................................................................................................150
Connectable Models............................................................................................................................................152
LAN Connection .......................................................................................................................... 153
LAN for Operation Management (MNT Port) .......................................................................................................153
LAN for Remote Support (RMT Port)....................................................................................................................155
LAN Control (Master CM/Slave CM)......................................................................................................................158
Network Communication Protocols .....................................................................................................................160
Power Supply Connection............................................................................................................ 162
Input Power Supply Lines ....................................................................................................................................162
UPS Connection...................................................................................................................................................162
Power Synchronized Connections................................................................................................ 163
Power Synchronized Connections (PWC) .............................................................................................................163
Power Synchronized Connections (Wake On LAN) ...............................................................................................166
5. Hardware Configurations 167
Configuration Schematics ........................................................................................................... 167
Optional Product Installation Conditions..................................................................................... 174
Cache Memory ....................................................................................................................................................175
Memory Extension ..............................................................................................................................................177
Extreme Cache ....................................................................................................................................................178
Host Interfaces....................................................................................................................................................179
Unified License....................................................................................................................................................180
Drive Enclosures..................................................................................................................................................181
Drives..................................................................................................................................................................182
Standard Installation Rules......................................................................................................... 185
Table of Contents
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Cache Memory ....................................................................................................................................................185
Extreme Cache ....................................................................................................................................................187
Host Interface .....................................................................................................................................................187
Drive Enclosure ...................................................................................................................................................188
Rack Installation Diagram...................................................................................................................................189
Drive ...................................................................................................................................................................195
Recommended RAID Group Configuration................................................................................... 200
6. Maintenance/Expansion 208
Hot Swap/Hot Expansion ............................................................................................................ 208
SSD Sanitization.......................................................................................................................... 209
A. Function Specification List 210
List of Supported Protocols.......................................................................................................... 210
Target Pool for Each Function/Volume List.................................................................................. 210
Target RAID Groups/Pools of Each Function.........................................................................................................211
Target Volumes of Each Function ........................................................................................................................212
Combinations of Functions That Are Available for Simultaneous Executions............................... 214
Combinations of Functions That Are Available for Simultaneous Executions.......................................................214
Number of Processes That Can Be Executed Simultaneously...............................................................................216
Capacity That Can Be Processed Simultaneously .................................................................................................216
Table of Contents
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List of Figures
Figure 1 RAID0 Concept..........................................................................................................................................17
Figure 2 RAID1 Concept..........................................................................................................................................17
Figure 3 RAID1+0 Concept......................................................................................................................................18
Figure 4 RAID5 Concept..........................................................................................................................................18
Figure 5 RAID5+0 Concept......................................................................................................................................19
Figure 6 RAID6 Concept..........................................................................................................................................20
Figure 7 RAID6-FR Concept.....................................................................................................................................21
Figure 8 Example of a RAID Group .........................................................................................................................25
Figure 9 Volume Concept .......................................................................................................................................26
Figure 10 Hot Spares................................................................................................................................................28
Figure 11 Hot Spare Selection Criteria......................................................................................................................30
Figure 12 Data Block Guard......................................................................................................................................31
Figure 13 Disk Drive Patrol.......................................................................................................................................33
Figure 14 Redundant Copy Function ........................................................................................................................34
Figure 15 Rebuild.....................................................................................................................................................35
Figure 16 Fast Recovery ...........................................................................................................................................36
Figure 17 Copyback..................................................................................................................................................37
Figure 18 Copybackless............................................................................................................................................38
Figure 19 Protection (Shield) ...................................................................................................................................39
Figure 20 Reverse Cabling........................................................................................................................................41
Figure 21 Storage Capacity Virtualization.................................................................................................................43
Figure 22 TPV Balancing (When Allocating Disproportionate TPV Physical Capacity Evenly) ....................................46
Figure 23 TPV Balancing (When Distributing Host Accesses Evenly after TPP Expansion) ........................................46
Figure 24 TPV/FTV Capacity Optimization .................................................................................................................48
Figure 25 Flexible Tier..............................................................................................................................................50
Figure 26 FTV Configuration.....................................................................................................................................51
Figure 27 FTRP Balancing.........................................................................................................................................54
Figure 28 Extreme Cache .........................................................................................................................................55
Figure 29 Extreme Cache Pool..................................................................................................................................56
Figure 30 RAID Migration (When Data Is Migrated to a High Capacity Drive)...........................................................59
Figure 31 RAID Migration (When a Volume Is Moved to a Different RAID Level) ......................................................59
Figure 32 RAID Migration.........................................................................................................................................60
Figure 33 Logical Device Expansion (When Expanding the RAID Group Capacity)....................................................61
Figure 34 Logical Device Expansion (When Changing the RAID Level).....................................................................61
Figure 35 LUN Concatenation ..................................................................................................................................62
Figure 36 LUN Concatenation (When the Concatenation Source Is a New Volume)..................................................63
Figure 37 LUN Concatenation (When the Existing Volume Capacity Is Expanded) ...................................................63
Figure 38 Wide Striping............................................................................................................................................65
Figure 39 Data Encryption with Self Encrypting Drives (SED) ...................................................................................67
Figure 40 Firmware Data Encryption........................................................................................................................68
Figure 41 Key Management Server Linkage.............................................................................................................70
Figure 42 Account Management ..............................................................................................................................72
Figure 43 Audit Log..................................................................................................................................................76
Figure 44 Eco-mode.................................................................................................................................................77
Figure 45 Power Consumption Visualization ............................................................................................................80
Figure 46 Event Notification ....................................................................................................................................84
Figure 47 Device Time Synchronization....................................................................................................................87
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Figure 48 Power Synchronized Unit..........................................................................................................................88
Figure 49 Wake On LAN ...........................................................................................................................................89
Figure 50 Example of Advanced Copy ......................................................................................................................90
Figure 51 REC...........................................................................................................................................................93
Figure 52 Restore OPC..............................................................................................................................................96
Figure 53 EC or REC Reverse .....................................................................................................................................96
Figure 54 Targets for the Multi-Copy Function .........................................................................................................97
Figure 55 Multi-Copy................................................................................................................................................97
Figure 56 Multi-Copy (Including SnapOPC+) ............................................................................................................98
Figure 57 Multi-Copy (Using the Consistency Mode)................................................................................................98
Figure 58 Multi-Copy (Case 1: When Performing a Cascade Copy for an REC Session in Consistency Mode) .............99
Figure 59 Multi-Copy (Case 2: When Performing a Cascade Copy for an REC Session in Consistency Mode) .............99
Figure 60 Cascade Copy..........................................................................................................................................100
Figure 61 Cascade Copy (Using Three Copy Sessions).............................................................................................103
Figure 62 Cascade Copy (Using Four Copy Sessions)...............................................................................................103
Figure 63 Assigned CMs .........................................................................................................................................105
Figure 64 RAID Configuration Example (When 12 SSDs Are Installed) ...................................................................109
Figure 65 RAID Configuration Example (When 15 SAS Disks Are Installed) ............................................................111
Figure 66 Deduplication/Compression Overview ....................................................................................................112
Figure 67 Deduplication Overview .........................................................................................................................113
Figure 68 Compression Overview ...........................................................................................................................113
Figure 69 Details of the Deduplication/Compression Function ...............................................................................118
Figure 70 Host Affinity ...........................................................................................................................................120
Figure 71 Associating Host Groups, CA Port Groups, and LUN Groups.....................................................................121
Figure 72 QoS.........................................................................................................................................................122
Figure 73 Copy Path Bandwidth Limit....................................................................................................................123
Figure 74 Host Response........................................................................................................................................124
Figure 75 Storage Cluster .......................................................................................................................................125
Figure 76 Mapping TFOVs, TFO Groups, and CA Port Pairs ......................................................................................126
Figure 77 Storage Migration ..................................................................................................................................128
Figure 78 Non-disruptive Storage Migration ..........................................................................................................130
Figure 79 Oracle VM Linkage .................................................................................................................................132
Figure 80 VMware Linkage.....................................................................................................................................133
Figure 81 VVOL (Operational Configuration)..........................................................................................................135
Figure 82 VVOL (System Configuration) .................................................................................................................136
Figure 83 Veeam Storage Integration ....................................................................................................................138
Figure 84 Microsoft Linkage...................................................................................................................................141
Figure 85 Logical Volume Manager (LVM) .............................................................................................................143
Figure 86 Single Path Connection (When a SAN Connection Is Used — Direct Connection) .....................................146
Figure 87 Single Path Connection (When a SAN Connection Is Used — Switch Connection) ....................................146
Figure 88 Multipath Connection (When a SAN Connection Is Used — Basic Connection Configuration)...................147
Figure 89 Multipath Connection (When a SAN Connection Is Used — Switch Connection).......................................147
Figure 90 Multipath Connection (When a SAN Connection Is Used — for Enhanced Performance)..........................148
Figure 91 Example of Non-Supported Connection Configuration (When Multiple Types of Remote Interfaces Are In-
stalled in the Same ETERNUS DX/AF)......................................................................................................149
Figure 92 Example of Supported Connection Configuration (When Multiple Types of Remote Interfaces Are Installed
in the Same ETERNUS DX/AF) .................................................................................................................149
Figure 93 An FC Connection for a Remote Copy between ETERNUS DX/AF Storage Systems (When Redundant Paths
Are Used) ...............................................................................................................................................150
Figure 94 An FC Connection for a Remote Copy between ETERNUS DX/AF Storage Systems (When Lines Are Used).....
...............................................................................................................................................................150
List of Figures
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Figure 95 An iSCSI Connection for a Remote Copy between ETERNUS DX/AF Storage Systems (When Lines Are Used).
...............................................................................................................................................................151
Figure 96 Connection Example without a Dedicated Remote Support Port ............................................................154
Figure 97 Connection Example When the IP Address of the Slave CM Is Set (and a Dedicated Remote Support Port Is
Not Used)...............................................................................................................................................154
Figure 98 Overview of the AIS Connect Function ....................................................................................................155
Figure 99 Security Features....................................................................................................................................156
Figure 100 Connection Example with a Dedicated Remote Support Port..................................................................157
Figure 101 Connection Example When the IP Address of the Slave CM Is Set (and a Dedicated Remote Support Port Is
Used) .....................................................................................................................................................158
Figure 102 LAN Control (Switching of the Master CM)..............................................................................................159
Figure 103 LAN Control (When the IP Address of the Slave CM Is Set)......................................................................159
Figure 104 Power Supply Control Using a Power Synchronized Unit (When Connecting One or Two Servers)...........163
Figure 105 Power Supply Control Using a Power Synchronized Unit (When Connecting Three or More Servers).......165
Figure 106 Power Supply Control Using Wake On LAN .............................................................................................166
Figure 107 Minimum Configuration Diagram...........................................................................................................167
Figure 108 ETERNUS DX500 S4/DX500 S3 Maximum Configuration Diagram ...........................................................168
Figure 109 ETERNUS DX600 S4/DX600 S3 Maximum Configuration Diagram ...........................................................170
Figure 110 Enclosure Connection Paths (ETERNUS DX500 S4/DX500 S3) .................................................................172
Figure 111 Enclosure Connection Paths (ETERNUS DX600 S4/DX600 S3) .................................................................173
Figure 112 Cache Memory Installation Diagram (ETERNUS DX500 S4/DX500 S3).....................................................185
Figure 113 Cache Memory Installation Diagram (ETERNUS DX600 S4/DX600 S3).....................................................186
Figure 114 Extreme Cache Module Installation Diagram .........................................................................................187
Figure 115 Host Interface Installation Diagram (ETERNUS DX500 S4/DX500 S3)......................................................188
Figure 116 Host Interface Installation Diagram (ETERNUS DX600 S4/DX600 S3)......................................................188
Figure 117 Rack Installation Example (ETERNUS DX500 S4/DX500 S3 2U DE)..........................................................189
Figure 118 Rack Installation Example (ETERNUS DX500 S4/DX500 S3 4U DE)..........................................................190
Figure 119 Rack Installation Example (ETERNUS DX500 S4/DX500 S3 2U/4U DE) ....................................................191
Figure 120 Rack Installation Example (ETERNUS DX600 S4/DX600 S3 2U DE)..........................................................192
Figure 121 Rack Installation Example (ETERNUS DX600 S4/DX600 S3 4U DE)..........................................................193
Figure 122 Rack Installation Example (ETERNUS DX600 S4/DX600 S3 2U/4U DE) ....................................................194
Figure 123 Drive Installation Diagram for High-Density Drive Enclosures ................................................................196
Figure 124 Installation Diagram for 2.5" Drives .......................................................................................................198
Figure 125 Installation Diagram for 3.5" Drives .......................................................................................................199
Figure 126 Drive Combination 1 ..............................................................................................................................200
Figure 127 Drive Combination 2 ..............................................................................................................................201
Figure 128 Drive Combination 3 ..............................................................................................................................201
Figure 129 Drive Combination 4 ..............................................................................................................................202
Figure 130 Drive Combination 5 ..............................................................................................................................202
Figure 131 Recommended RAID1/RAID1+0 Configuration Example (ETERNUS DX500 S4/DX500 S3) .......................203
Figure 132 Recommended RAID5/RAID5+0/RAID6 Configuration Example (ETERNUS DX500 S4/DX500 S3).............203
Figure 133 Recommended RAID6-FR Configuration Example (ETERNUS DX500 S4/DX500 S3).................................204
Figure 134 Recommended RAID1/RAID1+0 Configuration Example (ETERNUS DX600 S4/DX600 S3) .......................205
Figure 135 Recommended RAID5/RAID5+0/RAID6 Configuration Example (ETERNUS DX600 S4/DX600 S3).............206
Figure 136 Recommended RAID6-FR Configuration Example (ETERNUS DX600 S4/DX600 S3).................................207
List of Figures
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List of Tables
Table 1 Basic Functions ........................................................................................................................................14
Table 2 SAN Functions ..........................................................................................................................................15
Table 3 RAID Level Comparison ............................................................................................................................21
Table 4 Formula for Calculating User Capacity for Each RAID Level .......................................................................22
Table 5 User Capacity per Drive.............................................................................................................................23
Table 6 RAID Group Types and Usage....................................................................................................................24
Table 7 Recommended Number of Drives per RAID Group ....................................................................................25
Table 8 Volumes That Can Be Created...................................................................................................................27
Table 9 Hot Spare Installation Conditions.............................................................................................................29
Table 10 Hot Spare Selection Criteria (Condition 1) ................................................................................................30
Table 11 Hot Spare Selection Criteria (Condition 2) ................................................................................................30
Table 12 TPP Maximum Number and Capacity........................................................................................................43
Table 13 Chunk Size According to the Configured TPP Capacity...............................................................................44
Table 14 Levels and Configurations for a RAID Group That Can Be Registered in a TPP...........................................44
Table 15 TPP Thresholds .........................................................................................................................................45
Table 16 TPV Thresholds .........................................................................................................................................45
Table 17 Chunk Size and Data Transfer Unit ..........................................................................................................49
Table 18 The Maximum Number and the Maximum Capacity of FTSPs...................................................................51
Table 19 Levels and Configurations for a RAID Group That Can Be Registered in a FTSP .........................................52
Table 20 FTRP Thresholds .......................................................................................................................................53
Table 21 FTV Thresholds .........................................................................................................................................53
Table 22 Optimization of Volume Configurations....................................................................................................57
Table 23 Functional Comparison between the SED Authentication Key (Common Key) and Key Management Server
Linkage ....................................................................................................................................................69
Table 24 Available Functions for Default Roles .......................................................................................................73
Table 25 Client Public Key (SSH Authentication).....................................................................................................74
Table 26 Eco-mode Specifications...........................................................................................................................78
Table 27 ETERNUS Web GUI Operating Environment ..............................................................................................81
Table 28 Levels and Contents of Events That Are Notified ......................................................................................84
Table 29 SNMP Specifications .................................................................................................................................85
Table 30 Control Software (Advanced Copy) ...........................................................................................................90
Table 31 Characteristics of SnapOPC/SnapOPC+ Operations with Each Type of Copy Destination Logical Volume .......
.................................................................................................................................................................91
Table 32 REC Data Transfer Mode ...........................................................................................................................93
Table 33 Available Cascade Copy Combinations (When a Cascade Copy Performs Session 1 Followed by Session 2) ..
...............................................................................................................................................................100
Table 34 Available Cascade Copy Combinations (When a Cascade Copy Performs Session 2 Followed by Session 1) ..
...............................................................................................................................................................101
Table 35 Available Stripe Depth............................................................................................................................104
Table 36 Guideline for the Number of Drives and User Capacities (When 1.92TB SSDs Are Installed) ...................106
Table 37 Guideline for the Number of Drives and User Capacities (When 1.2TB SAS Disks Are Installed)..............109
Table 38 Deduplication/Compression Function Specifications...............................................................................114
Table 39 Method for Enabling the Deduplication/Compression Function..............................................................115
Table 40 Volumes That Are to Be Created depending on the Selection of "Deduplication" and "Compression"......116
Table 41 Deduplication/Compression Setting for TPPs Where the Target Volumes Can Be Created .......................116
Table 42 Target Deduplication/Compression Volumes of Each Function ...............................................................119
Table 43 Storage Cluster Function Specifications ..................................................................................................126
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Table 44 Specifications for Paths and Volumes between the Local Storage System and the External Storage System
...............................................................................................................................................................130
Table 45 Maximum VVOL Capacity........................................................................................................................137
Table 46 VVOL Management Information Specifications ......................................................................................137
Table 47 Volume Types That Can Be Used with Veeam Storage Integration..........................................................140
Table 48 Ethernet Frame Capacity (Jumbo Frame Settings)..................................................................................145
Table 49 Connectable Models and Available Remote Interfaces ...........................................................................152
Table 50 LAN Port Availability...............................................................................................................................160
Table 51 Estimated Cache Memory Capacity (ETERNUS DX500 S4) .......................................................................176
Table 52 Estimated Cache Memory Capacity (ETERNUS DX600 S4) .......................................................................176
Table 53 Estimated Cache Memory Capacity (ETERNUS DX500 S3) .......................................................................176
Table 54 Estimated Cache Memory Capacity (ETERNUS DX600 S3) .......................................................................177
Table 55 Installable PFM Capacity for Each Storage System..................................................................................178
Table 56 Number of Installable Drive Enclosures..................................................................................................181
Table 57 Drive Characteristics ...............................................................................................................................184
Table 58 Number of Installable Drives..................................................................................................................184
Table 59 Hot Swap and Hot Expansion Availability for Components.....................................................................208
Table 60 List of Supported Protocols.....................................................................................................................210
Table 61 Combinations of Functions That Can Be Executed Simultaneously (1/2) ................................................214
Table 62 Combinations of Functions That Can Be Executed Simultaneously (2/2) ................................................214
List of Tables
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Preface
Fujitsu would like to thank you for purchasing the FUJITSU Storage ETERNUS DX500 S4/DX600 S4, ETERNUS
DX500 S3/DX600 S3 (hereinafter collectively referred to as ETERNUS DX).
The ETERNUS DX is designed to be connected to Fujitsu servers (Fujitsu SPARC Servers, PRIMEQUEST, PRIMERGY,
and other servers) or non-Fujitsu servers.
This manual provides the system design information for the ETERNUS DX storage systems.
This manual is intended for use of the ETERNUS DX in regions other than Japan.
This manual applies to the latest controller firmware version.
Twenty-Fifth Edition
April 2019
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Trademarks
Third-party trademark information related to this product is available at:
http://www.fujitsu.com/global/products/computing/storage/eternus/trademarks.html
About This Manual
Intended Audience
This manual is intended for field engineers or system administrators who design ETERNUS DX systems or use the
ETERNUS DX.
Related Information and Documents
The latest version of this manual and the latest information for your model are available at:
http://www.fujitsu.com/global/support/products/computing/storage/disk/manuals/
Refer to the following manuals of your model as necessary:
"Overview"
"Site Planning Guide"
"Product List"
"Configuration Guide (Basic)"
"ETERNUS Web GUI User's Guide"
"ETERNUS CLI User's Guide"
"Configuration Guide -Server Connection-"
Document Conventions
■Third-Party Product Names
•Oracle Solaris may be referred to as "Solaris", "Solaris Operating System", or "Solaris OS".
•Microsoft® Windows Server® may be referred to as "Windows Server".
■Notice Symbols
The following notice symbols are used in this manual:
Indicates information that you need to observe when using the ETERNUS storage system.
Make sure to read the information.
Indicates information and suggestions that supplement the descriptions included in this
manual.
Preface
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Warning Signs
Warning signs are shown throughout this manual in order to prevent injury to the user and/or material damage.
These signs are composed of a symbol and a message describing the recommended level of caution. The follow-
ing explains the symbol, its level of caution, and its meaning as used in this manual.
This symbol indicates the possibility of serious or fatal injury if the ETERNUS DX is not used
properly.
This symbol indicates the possibility of minor or moderate personal injury, as well as dam-
age to the ETERNUS DX and/or to other users and their property, if the ETERNUS DX is not
used properly.
This symbol indicates IMPORTANT information for the user to note when using the ETERNUS
DX.
The following symbols are used to indicate the type of warnings or cautions being described.
The triangle emphasizes the urgency of the WARNING and CAUTION contents. Inside the
triangle and above it are details concerning the symbol (e.g. Electrical Shock).
The barred "Do Not..." circle warns against certain actions. The action which must be
avoided is both illustrated inside the barred circle and written above it (e.g. No Disassem-
bly).
The black "Must Do..." circle indicates actions that must be taken. The required action is
both illustrated inside the black disk and written above it (e.g. Unplug).
How Warnings are Presented in This Manual
A message is written beside the symbol indicating the caution level. This message is marked with a vertical rib-
bon in the left margin, to distinguish this warning from ordinary descriptions.
A display example is shown here.
Warning level indicator
Warning type indicator
Warning details
•To avoid damaging the ETERNUS storage system, pay attention to the
following points when cleaning the ETERNUS storage system:
Warning layout ribbon
Example warning
- Make sure to disconnect the power when cleaning.
- Be careful that no liquid seeps into the ETERNUS storage system
when using cleaners, etc.
- Do not use alcohol or other solvents to clean the ETERNUS storage system.
CAUTION Do
Preface
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1. Function Overview
The ETERNUS DX provides various functions to ensure data integrity, enhance security, reduce cost, and optimize
the overall performance of the system.
The ETERNUS DX integrates block data (SAN area) and file data (NAS area) in a single device and also provides
advanced functions according to each connection.
These functions enable to respond to problems from various situations.
The ETERNUS DX has functions such as the SAN function (supports block data access), the NAS function (supports
file data access), and basic functions that can be used without needing to recognize the SAN or the NAS connec-
tion.
For more details about the basic functions, refer to "2. Basic Functions" (page 16). For more details about the
functions that are used for a SAN connection, refer to "3. SAN Functions" (page 112).
Table 1 Basic Functions
Overview Function
Data protection
Functions that ensure data integrity to improve data reliability.
It is possible to detect and fix drive failures early.
"Data Block Guard" (page 31)
"Disk Drive Patrol" (page 33)
"Redundant Copy" (page 34)
"Rebuild" (page 35)
"Fast Recovery" (page 36)
"Copyback/Copybackless" (page 37)
"Protection (Shield)" (page 39)
"Reverse Cabling" (page 41)
Resource utilization (virtualization/Automated Storage Tier-
ing)
Functions that deliver effective resource utilization.
"Thin Provisioning" (page 42)
"Flexible Tier" (page 49)
"Extreme Cache" (page 55)
"Extreme Cache Pool" (page 56)
•Data capacity expansion
Functions that expand or relocate a RAID group or a volume
in order to flexibly meet any increases in the amount of data.
•Guarantee of performance
A function that creates a volume that is striped in multiple
RAID groups in order to improve performance.
"RAID Migration" (page 59)
"Logical Device Expansion" (page 61)
"LUN Concatenation" (page 62)
"Wide Striping" (page 65)
Security measures (data encryption)
Functions that encrypt data in the drive media to prevent the
data from being fraudulently decoded.
"Encryption with Self Encrypting Drive (SED)" (page 67)
"Firmware Data Encryption" (page 68)
"Key Management Server Linkage" (page 69)
Security measures (user access management)
Functions to prevent information leakage that are caused by a
malicious access.
"Account Management" (page 72)
"User Authentication" (page 74)
"Audit Log" (page 76)
Environmental burden reduction
Functions that adjust the operating time and the environment
of the installation location in order to reduce power consump-
tion.
"Eco-mode" (page 77)
"Power Consumption Visualization" (page 80)
Operation management (device monitoring)
Function that reduce load on the system administrator, and
that improve system stability and increase operating ratio of
the system.
"Operation Management Interface" (page 81)
"Performance Information Management" (page 82)
"Event Notification" (page 84)
"Device Time Synchronization" (page 87)
Power control
Power control functions that are used to link power-on and
power-off operations with servers and perform scheduled opera-
tions.
"Power Synchronized Unit" (page 88)
"Remote Power Operation (Wake On LAN)" (page 89)
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Overview Function
•High-speed backup
•Continuous business
Data can be duplicated at any point without affecting other op-
erations.
"Backup (SAN)" (page 91)
Performance tuning
A function that can perform tuning in order to improve perform-
ance.
"Striping Size Expansion" (page 104)
"Assigned CMs" (page 105)
Simple configuration
A wizard that simplifies the configuration of Thin Provisioning.
"Smart Setup Wizard" (page 106)
Table 2 SAN Functions
Overview Function
Operations Optimization (Deduplication/Compression)
A function that eliminates duplicated data and compresses the
data to reduce the amount of written data.
"Deduplication/Compression" (page 112)
Security measures (unauthorized access prevention)
Functions that prevent unintentional storage access.
"Host Affinity" (page 120)
"iSCSI Security" (page 122)
Stable operation
For stable operation of server connections, the appropriate re-
sponse action and the processing priority can be specified for
each server.
If an error occurs in the storage system during operations, the
connected storage system is switched automatically and opera-
tions can continue.
"Quality of Service (QoS)" (page 122)
"Host Response" (page 124)
"Storage Cluster" (page 125)
Data relocation
A function that migrates data between ETERNUS storage sys-
tems.
"Storage Migration" (page 128)
Non-disruptive data relocation
A function that migrates data between ETERNUS storage sys-
tems without stopping the business server.
"Non-disruptive Storage Migration" (page 130)
Information linkage (function linkage with servers)
Functions that cooperate with a server to improve performance
in a virtualized environment. Beneficial effects such as central-
ized management of the entire storage system and a reduction
of the load on servers can be realized.
"Oracle VM Linkage" (page 132)
"VMware Linkage" (page 133)
"Veeam Storage Integration" (page 138)
"Microsoft Linkage" (page 141)
"OpenStack Linkage" (page 142)
"Logical Volume Manager (LVM)" (page 143)
1. Function Overview
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2. Basic Functions
This chapter describes the functions that control the storage system.
RAID Functions
This section explains the points to note before configuring a system using the ETERNUS DX.
Supported RAID
The ETERNUS DX supports the following RAID levels.
•RAID0 (striping)
•RAID1 (mirroring)
•RAID1+0 (striping of pairs of drives for mirroring)
•RAID5 (striping with distributed parity)
•RAID5+0 (double striping with distributed parity)
•RAID6 (striping with double distributed parity)
•RAID6-FR (provides the high speed rebuild function, and striping with double distributed parity)
Remember that a RAID0 configuration is not redundant. This means that if a RAID0 drive fails, the data will
not be recoverable.
This section explains the concepts and purposes (RAID level selection criteria) of the supported RAID levels.
When Nearline SAS disks that have 6TB or more are used, the available RAID levels are RAID0, RAID1, RAID6,
and RAID6-FR.
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■RAID Level Concept
A description of each RAID level is shown below.
●RAID0 (Striping)
Data is split in unit of blocks and stored across multiple drives.
Figure 1 RAID0 Concept
A
C
B
D
Data writing request
Drive#0 Drive#1
A B C D
●RAID1 (Mirroring)
The data is stored on two duplicated drives at the same time.
If one drive fails, other drive continues operation.
Figure 2 RAID1 Concept
A
B
C
D
A B C D
Data writing request
A
B
C
D
Drive#0 Drive#1
2. Basic Functions
RAID Functions
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●RAID1+0 (Striping of Pairs of Drives for Mirroring)
RAID1+0 combines the high I/O performance of RAID0 (striping) with the reliability of RAID1 (mirroring).
Figure 3 RAID1+0 Concept
Drive#3
Drive#7
D
D'
Drive#2
Drive#6
C
C'
Drive#1
Drive#5
B
B'
Drive#0
Drive#4
A
A'
Striping (RAID0)
Mirroring (RAID1)
Data writing request
A B C D
Mirroring
Mirroring
Mirroring
Mirroring
●RAID5 (Striping with Distributed Parity)
Data is divided into blocks and allocated across multiple drives together with parity information created from
the data in order to ensure the redundancy of the data.
Figure 4 RAID5 Concept
A
E
I
M
A B C D
Data writing request
B
F
J
PM, N, O, P
C
G
PI, J, K, L
N
D
PE, F, G, H
K
O
H
L
P
Create parity data
PA, B, C, D
A B DC
Drive#0 Drive#1 Drive#2 Drive#3 Drive#4
Parity for data A to D: P A, B, C, D
Parity for data E to H: P E, F, G, H
Parity for data I to L: P I, J, K, L
Parity for data M to P: P M, N, O, P
2. Basic Functions
RAID Functions
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●RAID5+0 (Double Striping with Distributed Parity)
Multiple RAID5 volumes are RAID0 striped. For large capacity configurations, RAID5+0 provides better perform-
ance, better reliability, and shorter rebuilding times than RAID5.
Figure 5 RAID5+0 Concept
Striping with
distributed parity (RAID5)
Striping (RAID0)
A
E
B
I
F
PA, B
PM, N
C
G H
PC, D
PO, P
Drive#0 Drive#1 Drive#2 Drive#3 Drive#4 Drive#5
D
K
PK, L
Striping (RAID0)
Striping with
distributed parity
(RAID5)
JL
MNOP
PE, F
PI, J
PG, H
RAID5 RAID5
A B Create parity data DCreate parity data C
Data writing request
A
B
C
D
A B C D
A B C D
2. Basic Functions
RAID Functions
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●RAID6 (Striping with Double Distributed Parity)
Allocating two different parities on different drives (double parity) makes it possible to recover from up to two
drive failures.
Figure 6 RAID6 Concept
P2 M, N, O, P
P2 I, J, K, L
A
E
I
M
AB C D
Data writing request
B
F
J
P1 M, N, O, P
C
G
P1 I, J, K, L
D
P1 E, F, G, H P2 E, F, G, H
N
K
O
P1 A, B, C, D
H
L
P
P2 A, B, C, D
A B DC Create parity data
Drive#0 Drive#1 Drive#2 Drive#3 Drive#4 Drive#5
Parity for data A to D: P1 A, B, C, D and P2 A, B, C, D
Parity for data E to H: P1 E, F, G, H and P2 E, F, G, H
Parity for data I to L: P1 I, J, K, L and P2 I, J, K, L
Parity for data M to P: P1 M, N, O, P and P2 M, N, O, P
2. Basic Functions
RAID Functions
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