Hitachi Universal Storage Platform VM - Manuals

viii Preface Hitachi Universal Storage Platform V/VM User and Reference Guide Safety and Environmental Notices Federal Communications Commission (FCC) Statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. Thes...

Preface ix Hitachi Universal Storage Platform V/VM User and Reference Guide Intended Audience This document is intended for system administrators, Hitachi Data Systems representatives, and authorized service providers who are involved in installing, configuring, and operating the Hitachi Universal S...

x Preface Hitachi Universal Storage Platform V/VM User and Reference Guide Changes in this Revision • Added the 400-GB disk drive ( Specifications at a Glance , Hard Disk Drives ). • Updated the maximum usable capacity values ( Specifications at a Glance ). • Added a table of specifications for the ...

Preface xi Hitachi Universal Storage Platform V/VM User and Reference Guide Referenced Documents Hitachi Universal Storage Platform V/VM documentation: • Table 1-3 lists the user documents for Storage Navigator-based software. • Table 1-4 lists the user documents for host- and server-based software....

xii Preface Hitachi Universal Storage Platform V/VM User and Reference Guide Document Conventions The terms “Universal Storage Platform V” and “Universal Storage Platform VM” refer to all models of the Hitachi Universal Storage Platform V and VM storage systems, unless otherwise noted. This document...

Preface xiii Hitachi Universal Storage Platform V/VM User and Reference Guide Getting Help If you need to call the Hitachi Data Systems Support Center, make sure to provide as much information about the problem as possible, including: • The circumstances surrounding the error or failure. • The exact...

1 Product Overview 1-1 Hitachi Universal Storage Platform V/VM User and Reference Guide Product Overview This chapter provides an overview of the Universal Storage Platform V and VM storage systems. … Universal Storage Platform V Family … New and Improved Capabilities … Specifications at a Glance … ...

Product Overview 1-3 Hitachi Universal Storage Platform V/VM User and Reference Guide New and Improved Capabilities The Hitachi Universal Storage Platform V and VM storage systems offer the following new and improved capabilities as compared with the TagmaStore Universal Storage Platform and Network...

1-4 Product Overview Hitachi Universal Storage Platform V/VM User and Reference Guide Specifications at a Glance Specifications for the Universal Storage Platform V Table 1-1 provides a brief overview of the USP V specifications. Table 1-1 Specifications – Universal Storage Platform V Controller Bas...

1-6 Product Overview Hitachi Universal Storage Platform V/VM User and Reference Guide Specifications for the Universal Storage Platform VM Table 1-2 provides a brief overview of the USP VM specifications. Table 1-2 Specifications – Universal Storage Platform VM Controller Single-rack configuration: ...

1-8 Product Overview Hitachi Universal Storage Platform V/VM User and Reference Guide Software Products The Universal Storage Platform V and VM provide many advanced features and functions that increase data accessibility and deliver enterprise-wide coverage of online data copy/relocation, data acce...

Product Overview 1-9 Hitachi Universal Storage Platform V/VM User and Reference Guide Table 1-3 Storage Navigator-Based Software Name Description Documents Hitachi Storage Navigator Hitachi Storage Navigator Messages Obtains system configuration and status information and sends user-requested comman...

1-10 Product Overview Hitachi Universal Storage Platform V/VM User and Reference Guide Encrypted Communications Allows users to employ SSL-encrypted communications with the Hitachi Universal Storage Platform V/VM. MK-96RD631 Hitachi LUN Expansion Allows open-system users to concatenate multiple LUs ...

2 Architecture and Components 2-1 Hitachi Universal Storage Platform V/VM User and Reference Guide Architecture and Components This chapter describes the architecture and components of the Hitachi Universal Storage Platform V and VM storage systems: … Hardware Architecture … Hardware Components … Co...

2-2 Architecture and Components Hitachi Universal Storage Platform V/VM User and Reference Guide Hardware Architecture Figure 2-1 illustrates the hardware architecture of the Universal Storage Platform V storage system. Figure 2-2 illustrates the hardware architecture of the Universal Storage Platfo...

Architecture and Components 2-3 Hitachi Universal Storage Platform V/VM User and Reference Guide DKA DKA CSW CSW CMA CMA SMA SMA Channel Interface FC-AL (4 Gbps/port) Cache Path SM Path Max. 60 HDDs Disk Unit Battery Box Battery Box Controller Power Supply Max. 240 HDDs per storage system Disk Path ...

2-4 Architecture and Components Hitachi Universal Storage Platform V/VM User and Reference Guide Storage Clusters Each controller consists of two redundant controller halves called storage clusters. Each storage cluster contains all physical and logical elements (for example, power supplies, channel...

Architecture and Components 2-5 Hitachi Universal Storage Platform V/VM User and Reference Guide Hardware Components The USP V/VM hardware includes the controller, disk unit, and power supply components. Each component is connected over the cache paths, shared memory paths, and/or disk paths. The US...

2-6 Architecture and Components Hitachi Universal Storage Platform V/VM User and Reference Guide Shared Memory The nonvolatile shared memory contains the cache directory and configuration information for the USP V/VM storage system. The path group arrays (for example, for dynamic path selection) als...

Architecture and Components 2-7 Hitachi Universal Storage Platform V/VM User and Reference Guide Front-End Directors and Host Channels The Universal Storage Platform V and VM support all-mainframe, all-open- system, and multiplatform configurations. The front-end directors (FEDs) process the channel...

2-8 Architecture and Components Hitachi Universal Storage Platform V/VM User and Reference Guide Table 2-1 lists the specifications and configurations for the front-end directors and specifies the number of channel connections for each configuration. Table 2-1 Front-End Director and Channel Specific...

Architecture and Components 2-9 Hitachi Universal Storage Platform V/VM User and Reference Guide Back-End Directors and Array Domains The back-end director (BED) features control the transfer of data between the disk drives and cache. The BEDs are installed in pairs for redundancy and performance. T...

2-10 Architecture and Components Hitachi Universal Storage Platform V/VM User and Reference Guide Figure 2-3 illustrates a conceptual array domain. All functions, paths, and disk drives controlled by one BED pair are called an “array domain.” An array domain can contain a variety of LVI and/or LU co...

Architecture and Components 2-11 Hitachi Universal Storage Platform V/VM User and Reference Guide Hard Disk Drives The Universal Storage Platform V/VM uses disk drives with fixed-block- architecture (FBA) format. Table 2-3 lists and describes the currently available hard disk drives: 72 GB, 146 GB, ...

2-12 Architecture and Components Hitachi Universal Storage Platform V/VM User and Reference Guide Power Supplies Each storage cluster is powered by its own set of redundant power supplies, and each power supply is able to provide power for the entire system, if necessary. Because of this redundancy,...

Architecture and Components 2-13 Hitachi Universal Storage Platform V/VM User and Reference Guide Control Panel and Emergency Power-Off Switch Control Panel Figure 2-4 shows the location of the control panel on the USP V, and Figure 2-5 shows the location of the control panel on the USP VM. Table 2-...

Architecture and Components 2-15 Hitachi Universal Storage Platform V/VM User and Reference Guide Emergency Power-Off Switch Figure 2-6 shows the location of the emergency power-off (EPO) switch on the USP V (top right corner of the back side of controller frame). Figure 2-7 shows the location of th...

2-16 Architecture and Components Hitachi Universal Storage Platform V/VM User and Reference Guide Intermix Configurations RAID-Level Intermix RAID technology provides full fault-tolerance capability for the disk drives of the Universal Storage Platform V/VM. The cache management algorithms enable th...

Architecture and Components 2-17 Hitachi Universal Storage Platform V/VM User and Reference Guide Hard Disk Drive Intermix All hard disk drives (HDDs) in one array group (parity group) must be of the same capacity and type. Different HDD types can be attached to the same BED pair. All HDDs under a s...

3 Functional and Operational Characteristics 3-1 Hitachi Universal Storage Platform V/VM User and Reference Guide Functional and Operational Characteristics This chapter discusses the functional and operational capabilities of the USP V. … RAID Implementation … CU Images, LVIs, and LUs … Storage Nav...

3-2 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide RAID Implementation This section provides an overview of the implementation of RAID technology on the Universal Storage Platform V: • Array Groups and RAID Levels • Sequential Data Stripin...

3-4 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide Track 0 to Track 7 Parity Tracks Track 8 to Track 15 Parity Tracks Track 16 to Track 23 next 8 tracks Parity Tracks next 8 tracks RAID-5 using 3D + 1P and 3390-x LDEVs Parity Tracks Track ...

Functional and Operational Characteristics 3-5 Hitachi Universal Storage Platform V/VM User and Reference Guide LDEV Striping Across Array Groups In addition to the conventional concatenation of RAID-1 array groups (4D+4D), the Universal Storage Platform V supports LDEV striping across multiple RAID...

Functional and Operational Characteristics 3-7 Hitachi Universal Storage Platform V/VM User and Reference Guide CU Images, LVIs, and LUs CU Images The Universal Storage Platform V/VM is configured with one control unit image for each 256 devices (one SSID for each 64 or 256 LDEVs) and supports a max...

3-8 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide Logical Units The Universal Storage Platform V/VM is configured with OPEN-V LU types. The OPEN-V LU can vary in size from 48.1 MB to 4 TB. For information on other LU types (OPEN-3, OPEN-9...

Functional and Operational Characteristics 3-9 Hitachi Universal Storage Platform V/VM User and Reference Guide Storage Navigator The Hitachi Storage Navigator software communicates directly with the the Universal Storage Platform V and VM storage systems via a local-area network (LAN) to obtain sto...

3-10 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide System Option Modes, Host Modes, and Host Mode Options System Option Modes To provide greater flexibility and enable the Universal Storage Platform V/VM to be tailored to unique customer ...

3-20 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide Table 3-2 Modes 503 and 269: Storage Navigator Operations Mode 269 Mode 503 Operation Target of Operation ON OFF ON Virtual LVI/LUN (CVS) All LDEVs in a PG No format No format Virtual LVI...

Functional and Operational Characteristics 3-21 Hitachi Universal Storage Platform V/VM User and Reference Guide Host Modes and Host Mode Options The Universal Storage Platform V/VM supports connection of multiple server hosts of different platforms to each of its ports. When your system is configur...

3-22 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide Mainframe Operations Mainframe Compatibility and Functionality In addition to full System-Managed Storage (SMS) compatibility, the Universal Storage Platform V and VM provide the followin...

Functional and Operational Characteristics 3-23 Hitachi Universal Storage Platform V/VM User and Reference Guide Mainframe Configuration After physical installation of the Universal Storage Platform V or VM storage system has been completed, the user configures the storage system for mainframe opera...

3-24 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide Open-Systems Operations Open-Systems Compatibility and Functionality The Universal Storage Platform V/VM supports and offers many features and functions for the open-systems environment, ...

Functional and Operational Characteristics 3-25 Hitachi Universal Storage Platform V/VM User and Reference Guide Open-Systems Host Platform Support Table 3-5 lists the open-systems host platforms supported by the USP V/VM and the corresponding Configuration Guide for each host platform. The Configur...

3-26 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide Open-Systems Configuration After physical installation of the Universal Storage Platform V/VM has been completed, the user configures the storage system for open-systems operations with a...

Functional and Operational Characteristics 3-27 Hitachi Universal Storage Platform V/VM User and Reference Guide Battery Backup Operations Figure 3-6 illustrates the two types of backup operations: backup mode and destage mode. Backup Mode (USP V and VM) When backup mode is chosen and a power failur...

3-28 Functional and Operational Characteristics Hitachi Universal Storage Platform V/VM User and Reference Guide Detection of Power Failure AC Input Power Failure Occurs 1 minute Storage System Operating 8 minutes Data destage process Power off process 5 minutes 24 hours (CM up to 128 GB) 18 hours (...

4 Troubleshooting 4-1 Hitachi Universal Storage Platform V/VM User and Reference Guide Troubleshooting This chapter provides basic troubleshooting information for the Universal Storage Platform V/VM and instructions for calling technical support. … General Troubleshooting … Service Information Messa...

Troubleshooting 4-3 Hitachi Universal Storage Platform V/VM User and Reference Guide Service Information Messages The Universal Storage Platform V and VM generate service information messages (SIMs) to identify normal operations (for example, TrueCopy pair status change) as well as service requireme...

4-4 Troubleshooting Hitachi Universal Storage Platform V/VM User and Reference Guide Calling the Hitachi Data Systems Support Center If you need to call the Hitachi Data Systems Support Center, make sure to provide as much information about the problem as possible, including: • The circumstances sur...

A Units and Unit Conversions A-1 Hitachi Universal Storage Platform V/VM User and Reference Guide Units and Unit Conversions Table A-1 provides conversions for standard (U.S.) and metric units of measure associated with the Universal Storage Platform V/VM storage systems. Table A-1 Conversions for S...

Acronyms and Abbreviations Acronyms-1 Hitachi Universal Storage Platform V/VM User and Reference Guide Acronyms and Abbreviations A ampere ACP array control processor (another name for back-end director) ASTM American Society for Testing and Materials ATA Advanced Technology Attachment standard AVE ...

Index Index-1 Hitachi Universal Storage Platform V/VM User and Reference Guide Index A alternate pathing scheme, 2-4 arbitrated-loop topology, 2-9 array domain, 2-10 group, 3-2 B back-end director, 2-9 C cache global, 3-24 memory battery backup, 2-6 switch cards, 2-3 canister mount, 3-2 commands cac...