Hitachi VSP G1500 User And Reference Manual

Command Control Interface

User and Reference Guide

Hitachi Virtual Storage Platform G1000 and G1500

Hitachi Virtual Storage Platform F1500

Hitachi Virtual Storage Platform G200, G400, G600, G800

Hitachi Virtual Storage Platform F400, F600, F800

Hitachi Virtual Storage

Hitachi PlatformUnified Storage VM

Hitachi Universal Storage Platform V/VM

MK-90RD7010-32

May 2017

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Command Control Interface User and Reference Guide

Contents

Preface.................................................................................................. xi

Intended audience....................................................................................................xii

Product version........................................................................................................ xii

Release notes...........................................................................................................xii

Changes in this revision............................................................................................ xii

Referenced documents.............................................................................................xiii

Document conventions.............................................................................................xiv

Convention for storage capacity values......................................................................xvi

Accessing product documentation............................................................................ xvii

Getting help........................................................................................................... xvii

Comments..............................................................................................................xvii

1 Overview..............................................................................................1-1

About Command Control Interface........................................................................... 1-2

CCI functions..........................................................................................................1-2

CCI functions matrix......................................................................................... 1-2

Provisioning functions....................................................................................... 1-3

Asynchronous command processing...................................................................1-3

Command execution modes...............................................................................1-4

Precheck function............................................................................................. 1-4

Command execution by the in-band and out-of-band methods.............................1-5

User authentication mode................................................................................. 1-8

LDEV nickname function....................................................................................1-8

LDEV grouping function.................................................................................... 1-8

Resource group function................................................................................... 1-9

Resource locking function..................................................................................1-9

CCI functions available on all RAID storage systems..................................................1-9

In-system replication........................................................................................ 1-9

Remote replication............................................................................................1-9

Data protection...............................................................................................1-10

2 CCI software environment.....................................................................2-1

Overview of the CCI software environment...............................................................2-2

CCI components on the RAID storage system........................................................... 2-2

Command device..............................................................................................2-2

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Command Control Interface User and Reference Guide

Command device guarding.......................................................................2-3

Alternate command device function.......................................................... 2-5

Remote command device.........................................................................2-6

CCI and the SCSI command interface.................................................................2-7

Command competition.............................................................................2-8

Command flow........................................................................................2-8

Issuing commands for LDEVs within a LUSE device....................................2-9

CCI instance components on the host server.............................................................2-9

HORCM operational environment....................................................................... 2-9

CCI instance configurations............................................................................. 2-10

Host machines that can be paired.................................................................... 2-12

Configuration definition file..............................................................................2-13

Configuration definition file settings................................................................. 2-16

HORCM_MON........................................................................................2-17

HORCM_CMD (in-band method)............................................................. 2-17

HORCM_CMD (out-of-band method)....................................................... 2-21

HORCM_DEV.........................................................................................2-23

HORCM_INST........................................................................................2-25

HORCM_LDEV....................................................................................... 2-26

HORCM_LDEVG.....................................................................................2-27

HORCM_INSTP......................................................................................2-28

HORCM_ALLOW_INST........................................................................... 2-28

Correspondence of the configuration definition file for cascading volume and mirror

descriptors..................................................................................................... 2-28

Correspondence of configuration file and mirror descriptors......................2-29

Cascading connection and configuration files...........................................2-30

ShadowImage.......................................................................................2-31

Cascading connections for TrueCopy and ShadowImage.......................... 2-33

CCI software files..................................................................................................2-35

CCI files supplied with the software..................................................................2-36

CCI files for UNIX-based systems............................................................2-36

CCI files for Windows-based systems...................................................... 2-37

CCI files for OpenVMS-based systems..................................................... 2-39

CCI log and trace files........................................................................................... 2-40

CCI log files....................................................................................................2-40

CCI trace files.................................................................................................2-43

CCI trace control command............................................................................. 2-43

Command logging for audit............................................................................. 2-43

Logging other than raidcom command.................................................... 2-43

Logging raidcom command.................................................................... 2-46

User-created files..................................................................................................2-49

User environment variable..................................................................................... 2-49

3 CCI functions........................................................................................3-1

System configuration using CCI............................................................................... 3-2

In-band system configurations and out-of-band system configurations................. 3-2

System configuration for connecting to a CCI server connected by the in-band

method using the out-of-band method............................................................... 3-5

Connecting to CCI server already connected by In-Band method using Out-of-Band

method.................................................................................................................. 3-5

User authentication.................................................................................................3-8

Command operation authority and user authentication.............................................. 3-9

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Command Control Interface User and Reference Guide

Controlling User Role........................................................................................ 3-9

Controlling user resources............................................................................... 3-10

Commands executed depending on operation authorities...................................3-13

Relation between resource groups and command operations....................................3-21

Resource lock function.......................................................................................... 3-24

Command execution modes...................................................................................3-25

Overview........................................................................................................3-25

Context check.................................................................................................3-26

How to check........................................................................................ 3-27

Details of check contents....................................................................... 3-27

Configuration check........................................................................................ 3-33

Resource location and parameter........................................................................... 3-34

MP blade location and parameter..................................................................... 3-34

LDEV grouping function.........................................................................................3-35

Overview........................................................................................................3-35

Device group definition methods......................................................................3-38

Read operations and command device settings................................................. 3-38

Define device group........................................................................................3-39

Device group creation............................................................................3-40

LDEV addition to device group................................................................3-41

LDEV deletion from device group............................................................3-41

Device group deletion............................................................................ 3-42

Copy group function........................................................................................3-43

Copy group creation.............................................................................. 3-45

LDEV addition to a copy group............................................................... 3-45

LDEV deletion from copy group.............................................................. 3-46

Copy group deletion.............................................................................. 3-47

Pair operation by specifying a copy group............................................... 3-47

Pair operations with mainframe volumes.................................................................3-49

Using "dummy" LUs for mainframe LDEVs........................................................ 3-49

Pair status and access permission for mainframe LDEVs.................................... 3-50

Operational differences for multiplatform volumes.............................................3-52

Operational differences for replication commands............................................. 3-53

Global storage virtualization function...................................................................... 3-54

System configuration example with the global storage virtualization function...... 3-54

Using CCI with the global storage virtualization function.................................... 3-55

Configuration definition file settings with global storage virtualization................. 3-55

Example of the configuration definition files when specifying a virtual storage

machine by HORCM_CMD................................................................................3-57

Specifying a virtual storage machine to HORCM_VCMD......................................3-59

Command operations to the virtual storage machine................................3-59

Operation target for raidcom commands when specifying the virtual storage

machine in HORCM_VCMD..................................................................... 3-61

raidcom commands for volumes that belong to virtual storage machine for

HORCM_CMD........................................................................................ 3-68

4 Starting up CCI.....................................................................................4-1

Starting up on UNIX systems................................................................................... 4-2

Starting up on Windows systems..............................................................................4-3

Starting up on OpenVMS systems.............................................................................4-4

Starting CCI as a service (Windows systems)............................................................ 4-6

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Command Control Interface User and Reference Guide

5 Provisioning operations with CCI............................................................5-1

About provisioning operations..................................................................................5-2

Overview of the configuration setting command..................................................5-2

Synchronous command processing........................................................... 5-3

Asynchronous command processing..........................................................5-3

Errors during asynchronous command processing......................................5-3

Workflow for executing asynchronous commands...................................... 5-4

Asynchronous commands.........................................................................5-4

Help on configuration setting commands............................................................5-6

LDEV nickname function....................................................................................5-6

Available provisioning operations............................................................................. 5-6

Provisioning operations that can be performed on device groups..............................5-13

Operation method...........................................................................................5-14

Workflow for performing provisioning operations.....................................................5-15

Resource group operations.................................................................................... 5-16

Creating resource groups................................................................................ 5-16

Deleting resource groups.................................................................................5-16

Allocating resources to other resource groups...................................................5-17

Execution example..........................................................................................5-18

Internal volume operations.................................................................................... 5-18

Creating internal volumes (open-systems)........................................................ 5-18

Script examples (open systems).......................................................................5-20

Creating internal volumes (Mainframe volume)................................................. 5-22

Script examples.....................................................................................5-23

Script examples.............................................................................................. 5-25

Virtual volume (Dynamic Provisioning) operations....................................................5-26

Creating virtual volumes (Dynamic Provisioning)............................................... 5-26

Script examples.............................................................................................. 5-28

Deleting a virtual volume for which capacity saving is enabled........................... 5-31

Using the -operation initialize_capacity_saving option of the

raidcom delete ldev command to delete a virtual volume.................5-31

Deleting a virtual volume by blocking, initializing, and then deleting the

volume................................................................................................. 5-32

Virtual volume (Dynamic Provisioning for Mainframe) operations.............................. 5-33

Creating virtual volumes (Dynamic Provisioning for Mainframe)..........................5-33

Script examples.............................................................................................. 5-34

Virtual volume (Dynamic Tiering) operations........................................................... 5-36

Operational flow............................................................................................. 5-36

Creating virtual volumes (Dynamic Tiering).......................................................5-38

Script examples.............................................................................................. 5-40

Configuring iSCSI virtual ports............................................................................... 5-43

Setting an iSCSI virtual port.............................................................................5-44

Deleting an iSCSI virtual port...........................................................................5-44

External volume operations....................................................................................5-45

Creating external volumes (Fibre Channel)........................................................5-45

Creating external volumes (iSCSI)....................................................................5-47

Script Examples.............................................................................................. 5-50

Virtual Partition Manager operations.......................................................................5-53

Performing Virtual Partition Manager operations................................................5-53

Displaying CLPR information............................................................................ 5-54

Migrating parity groups in a CLPR.................................................................... 5-54

Displaying parity group information........................................................ 5-54

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Command Control Interface User and Reference Guide

Moving parity groups............................................................................. 5-54

Checking result of CLPR transfer.............................................................5-55

Server Priority Manager operations.........................................................................5-55

Configuring Server Priority Manager by specifying ports and WWNs of HBAs....... 5-56

Controlling the priority of I/O operations in storage systems on servers.....5-56

Using and managing Server Priority Manager...........................................5-57

Setting SPM names for WWNs and registering them to the SPM group...... 5-58

Configuring Server Priority Manager by specifying ports and WWNs of HBAs

............................................................................................................5-58

Cautions about using Server Priority Manager..........................................5-63

Cautions when using host groups after registering them in SPM groups (VSP

only).................................................................................................... 5-65

Configuring Server Priority Manager by specifying LDEVs and WWNs or iSCSI names

of HBAs..........................................................................................................5-66

Virtual storage machine operations.........................................................................5-68

Creating host groups in a virtual storage machine............................................. 5-68

Adding LDEVs to a virtual storage machine.......................................................5-69

Removing the virtual storage machine..............................................................5-70

6 Data replication operations with CCI...................................................... 6-1

About data replication operations.............................................................................6-2

Features of paired volumes......................................................................................6-2

Using CCI with ShadowImage and TrueCopy............................................................ 6-3

Using CCI with Thin Image......................................................................................6-4

Using CCI with global-active device..........................................................................6-5

ShadowImage operations........................................................................................ 6-5

ShadowImage duplicated mirroring....................................................................6-6

ShadowImage cascading pairs...........................................................................6-7

Restrictions for ShadowImage cascading volumes......................................6-8

Restriction for TrueCopy/ShadowImage cascading volumes........................6-9

TrueCopy operations...............................................................................................6-9

TrueCopy takeover commands.........................................................................6-10

Takeover-switch function....................................................................... 6-12

Swap-takeover function......................................................................... 6-13

SVOL-takeover function......................................................................... 6-14

PVOL-takeover function......................................................................... 6-15

TrueCopy remote commands........................................................................... 6-15

TrueCopy local commands...............................................................................6-17

TrueCopy, ShadowImage, and Universal Replicator operations................................. 6-17

TrueCopy/ShadowImage volumes.................................................................... 6-17

TrueCopy/ShadowImage/Universal Replicator pair status...................................6-18

TrueCopy Async, TrueCopy, Universal Replicator, and global-active device volumes

..................................................................................................................... 6-24

Sidefile cache for TrueCopy Async.......................................................... 6-27

TrueCopy Async transition states and sidefile control............................... 6-27

TrueCopy Async/Universal Replicator error state......................................6-29

TrueCopy/TrueCopy Async and Universal Replicator/global-active device fence level

settings..........................................................................................................6-30

Setting the fence level........................................................................... 6-32

Copy-on-Write Snapshot operations........................................................................6-33

Copy-on-Write Snapshot volumes.....................................................................6-33

Pair operations and commands for Copy-on-Write Snapshot and Thin Image ..... 6-34

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Command Control Interface User and Reference Guide

Creating a Copy-on-Write Snapshot pair........................................................... 6-34

Copy-on-Write Snapshot pair status................................................................. 6-35

Pair status relationship to Copy-on-Write Snapshot commands...........................6-36

Controlling Volume Migration................................................................................. 6-37

Specifications for Volume Migration..................................................................6-37

Commands to control Volume Migration........................................................... 6-39

Relations between "cc" command issues and status.......................................... 6-42

Restrictions for Volume Migration.....................................................................6-43

Universal Replicator MxN configuration and control..................................................6-44

Overview........................................................................................................6-44

Policy ............................................................................................................6-44

horcm.conf.....................................................................................................6-45

Command specifications.................................................................................. 6-46

pairdisplay command.............................................................................6-46

pairsplit command................................................................................. 6-47

Notice on system operation............................................................................. 6-50

Configuration examples...................................................................................6-52

Duplication of CCI applications...............................................................................6-54

Requirements for duplication of CCI................................................................. 6-57

Note for duplication of CCI.............................................................................. 6-58

Remote volume discovery......................................................................................6-58

Discovering a remote volume...........................................................................6-59

7 Data protection operations with CCI.......................................................7-1

Data protection operations...................................................................................... 7-2

Data Retention Utility .......................................................................................7-2

Restrictions on Data Retention Utility volumes...........................................7-3

Database Validator .......................................................................................... 7-3

Restrictions on Database Validator............................................................7-4

Protection parameters and operations...................................................................... 7-5

Data Protection facility............................................................................................ 7-5

Data Protection Facility specifications................................................................. 7-7

Examples for configuration and protected volumes..............................................7-8

Operation authority with CMD security enabled...................................................7-9

Target commands for protection........................................................................7-9

permission command...................................................................................... 7-10

New options for security..................................................................................7-10

raidscan -find inst..................................................................................7-10

raidscan -find verify [MU#].................................................................... 7-11

raidscan -f[d]........................................................................................ 7-11

pairdisplay -f[d].....................................................................................7-12

Permitting protected volumes.......................................................................... 7-12

With a $HORCMPERM file.......................................................................7-12

Without a $HORCMPERM file: Commands to run on different operating

systems................................................................................................ 7-13

Environment variables.....................................................................................7-14

$HORCMPROMOD................................................................................. 7-14

$HORCMPERM.......................................................................................7-15

Determining the protection mode command device........................................... 7-15

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Command Control Interface User and Reference Guide

8 Examples of using CCI commands .........................................................8-1

Group version control for mixed storage system configurations.................................. 8-2

LDM volume discovery and flushing for Windows...................................................... 8-2

Volume discovery function.................................................................................8-3

Mountvol attached to Windows 2012/2008/2003/2000 systems........................... 8-5

System buffer flushing function......................................................................... 8-6

Special facilities for Windows systems...................................................................... 8-9

Signature changing facility for Windows systems.................................................8-9

GPT disk for Windows..................................................................................... 8-10

Directory mount facility for Windows systems................................................... 8-12

Host group control................................................................................................ 8-14

Specifying a host group...................................................................................8-14

Commands and options including a host group................................................. 8-15

Using CCI SLPR security........................................................................................ 8-16

Specifying the SLPR Protection Facility............................................................. 8-17

SLPR configuration examples...........................................................................8-18

9 Troubleshooting....................................................................................9-1

General troubleshooting.......................................................................................... 9-2

Operational notes and restrictions for CCI operations................................................ 9-3

Error messages and error codes...............................................................................9-6

System log messages........................................................................................9-6

Command error messages ................................................................................9-8

Generic error codes (horctakeover and pair commands).................................... 9-18

Generic error codes (raidscan, raidqry, raidar, horcctl).......................................9-20

Specific error codes.........................................................................................9-21

SSB codes...................................................................................................... 9-22

SSB codes returned by the replication commands.................................... 9-22

SSB codes returned by the configuration setting command (raidcom)........9-24

Other SSB codes indicating internal errors............................................. 9-197

Calling Hitachi Data Systems customer support..................................................... 9-199

Index

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Command Control Interface User and Reference Guide

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Command Control Interface User and Reference Guide

Preface

This document describes and provides instructions for using the Command

Control Interface (CCI) software to configure and perform operations on the

Hitachi RAID storage systems.

Please read this document carefully to understand how to use this product,

and maintain a copy for reference purposes.

□

Intended audience

□

Product version

□

Release notes

□

Changes in this revision

□

Referenced documents

□

Document conventions

□

Convention for storage capacity values

□

Accessing product documentation

□

Getting help

□

Comments

Preface

xi

Command Control Interface User and Reference Guide

Intended audience

This document is intended for system administrators, Hitachi Data Systems

representatives, and authorized service providers who install, configure, and

operate the Hitachi RAID storage systems.

Readers of this document should be familiar with the following:

• Data processing and RAID storage systems and their basic functions.

• The Hitachi RAID storage system and the manual for the storage system

(for example, Hardware Guide, Hitachi Virtual Storage Platform User and

Reference Guide).

• The management software for the storage system (for example, Hitachi

Command Suite, Hitachi Device Manager - Storage Navigator) and the

applicable user manuals (for example, Hitachi Command Suite User

Guide, System Administrator Guide, Hitachi Storage Navigator User

Guide).

• The host systems attached to the Hitachi RAID storage systems.

Product version

This document revision applies to Command Control Interface software

version 01-41-03/xx or later.

Release notes

The CCI release notes are available on Hitachi Data Systems Support

Connect:

https://knowledge.hds.com/Documents. Read the release notes

before installing and using this product. They may contain requirements or

restrictions that are not fully described in this document or updates or

corrections to this document.

Changes in this revision

• Added instructions for configuring iSCSI virtual ports (

Setting an iSCSI

virtual port on page 5-44, Deleting an iSCSI virtual port on page 5-44).

• Added information about the raidcom get quorum, raidcom modify

quorum, and raidcom replace quorum commands (

Commands executed

depending on operation authorities on page 3-13, Operation target for

raidcom commands when specifying the virtual storage machine in

HORCM_VCMD on page 3-61).

• Added information about creating external volumes using iSCSI (Creating

external volumes (iSCSI) on page 5-47).

• Added information about moving a parity group by specifying the LDEV

numbers of virtual volumes of Dynamic Provisioning, Copy-on-Write

Snapshot, or Thin Image (

Moving parity groups on page 5-54).

• Updated the error code tables.

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Preface

Command Control Interface User and Reference Guide

Referenced documents

Command Control Interface:

• Command Control Interface Installation and Configuration Guide,

MK-90RD7008

• Command Control Interface User and Reference Guide, MK-90RD7010

Hitachi Command Suite:

• Hitachi Command Suite User Guide, MK-90HC172

Hitachi Virtual Storage Platform G200, G400, G600, G800 and Hitachi Virtual

Storage Platform F400, F600, F800:

• Hitachi Thin Image User Guide, MK-92RD8011

• Product Overview for Hitachi Virtual Storage Platform Gx00 and Fx00

Models, MK-94HM8013

• Provisioning Guide for Hitachi Virtual Storage Platform Gx00 and Fx00

Models, MK-94HM8014

• System Administrator Guide, MK-94HM8016

• Hitachi Device Manager - Storage Navigator Messages, MK-94HM8017

• Hitachi TrueCopy® User Guide, MK-94HM8019

• Hitachi ShadowImage® User Guide, MK-94HM8021

• Hitachi Universal Replicator User Guide, MK-94HM8023

• Hitachi Universal Volume Manager User Guide, MK-92RD8024

• Global-Active Device User Guide, MK-92RD8072

Hitachi Virtual Storage Platform G1000, G1500, and Hitachi Virtual Storage

Platform F1500:

• Hitachi Thin Image User Guide, MK-92RD8011

• Provisioning Guide for Open Systems, MK-92RD8014

• System Administrator Guide, MK-92RD8016

• Hitachi Device Manager - Storage Navigator Messages, MK-92RD8017

• Hitachi TrueCopy® User Guide, MK-92RD8019

• Hitachi ShadowImage® User Guide, MK-92RD8021

• Hitachi Universal Replicator User Guide, MK-92RD8023

• Hitachi Universal Volume Manager User Guide, MK-92RD8024

• Product Overview, MK-92RD8051

• Global-Active Device User Guide, MK-92RD8072

Hitachi Unified Storage VM:

• Hitachi Unified Storage VM Block Module Provisioning Guide,

MK-92HM7012

• Hitachi ShadowImage® User Guide, MK-92HM7013

• Hitachi Storage Navigator User Guide, MK-92HM7016

Preface

xiii

Command Control Interface User and Reference Guide

• Hitachi Storage Navigator Messages, MK-92HM7017

• Hitachi TrueCopy® User Guide, MK-92HM7018

• Hitachi Universal Replicator User Guide, MK-92HM7019

• Hitachi Universal Volume Manager User Guide, MK-92HM7020

Hitachi Virtual Storage Platform:

• Hitachi Copy-on-Write Snapshot User Guide, MK-90RD7013

• Provisioning Guide for Mainframe Systems, MK-90RD7021

• Provisioning Guide for Open Systems, MK-90RD7022

• Hitachi ShadowImage® for Mainframe User Guide, MK-90RD7023

• Hitachi ShadowImage® User Guide, MK-90RD7024

• Hitachi Storage Navigator User Guide, MK-90RD7027

• Hitachi Storage Navigator Messages, MK-90RD7028

• Hitachi TrueCopy® User Guide, MK-90RD7029

• Hitachi TrueCopy® for Mainframe User Guide, MK-90RD7030

• Hitachi Universal Replicator for Mainframe User Guide, MK-90RD7031

• Hitachi Universal Replicator User Guide, MK-90RD7032

• Hitachi Universal Volume Manager User Guide, MK-90RD7033

• Hitachi Thin Image User Guide, MK-90RD7179

Hitachi Universal Storage Platform V/VM:

• Hitachi Copy-on-Write Snapshot User Guide, MK-96RD607

• LUN Manager User’s Guide, MK-96RD615

• Hitachi ShadowImage® for Mainframe User Guide, MK-96RD619

• Hitachi ShadowImage® User Guide, MK-96RD618

• Hitachi Storage Navigator User Guide, MK-96RD621

• Hitachi Storage Navigator Messages, MK-96RD613

• Hitachi TrueCopy® User Guide, MK-96RD622

• Hitachi TrueCopy® for Mainframe User Guide, MK-96RD623

• Hitachi Universal Replicator for Mainframe User Guide, MK-96RD625

• Hitachi Universal Replicator User Guide, MK-96RD624

• Hitachi Universal Volume Manager User Guide, MK-96RD626

Document conventions

This document uses the following terminology conventions:

Convention Description

Hitachi RAID

storage system

Refers to all supported storage system models, unless otherwise

noted.

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Preface

Command Control Interface User and Reference Guide

Convention Description

Hitachi Virtual

Storage Platform

G200, G400, G600,

G800 (VSP G200,

G400, G600, G800)

VSP Gx00 models

Refers to all models of the Hitachi Virtual Storage Platform G200,

G400, G600, G800 storage systems, unless otherwise noted.

Hitachi Virtual

Storage Platform

F400, F600, F800

(VSP F400, F600,

F800)

VSP Fx00 models

VSP F series

Refers to all models of the Hitachi Virtual Storage Platform F400,

F600, F800 storage systems, unless otherwise noted.

Hitachi enterprise

storage system

Refers to the Hitachi RAID storage systems except for the VSP

Gx00 models, VSP Fx00 models, and HUS VM.

This document uses the following typographic conventions:

Convention Description

Bold • Indicates text in a window, including window titles, menus,

menu options, buttons, fields, and labels. Example: Click OK.

• Indicates emphasized words in list items.

Italic • Indicates a document title or emphasized words in text.

• Indicates a variable, which is a placeholder for actual text

provided by the user or for output by the system. Example:

pairdisplay -g group

(For exceptions to this convention for variables, see the

entry for angle brackets.)

Monospace

Indicates text that is displayed on screen or entered by the user.

Example: pairdisplay -g oradb

< > (angle brackets) Indicates variables in the following scenarios:

• Variables are not clearly separated from the surrounding text

or from other variables. Example:

Status-<report-name><file-version>.csv

• Variables in headings.

[ ] (square brackets) Indicates optional values. Example: [ a | b ] indicates that you

can choose a, b, or nothing.

{ } (braces) Indicates required or expected values. Example: { a | b }

indicates that you must choose either a or b.

| (vertical bar) Indicates that you have a choice between two or more options or

arguments. Examples:

[ a | b ] indicates that you can choose a, b, or nothing.

{ a | b } indicates that you must choose either a or b.

↓value↓ floor Floor function (round down value to the next integer)

Preface

xv

Command Control Interface User and Reference Guide

Convention Description

floor(value)

↑value↑ ceiling

ceiling(value)

Ceiling function (round up value to the next integer)

_ (underlined text) Default value

This document uses the following icons to draw attention to information:

Icon Label Description

Note Calls attention to important or additional information.

Tip Provides helpful information, guidelines, or suggestions for

performing tasks more effectively.

Caution Warns the user of adverse conditions or consequences (for

example, disruptive operations).

WARNING Warns the user of severe conditions or consequences (for

example, destructive operations).

Convention for storage capacity values

Physical storage capacity values (for example, disk drive capacity) are

calculated based on the following values:

Physical capacity unit Value

1 KB

1,000 (10

3

) bytes

1 MB

1,000 KB or 1,000

2

bytes

1 GB

1,000 MB or 1,000

3

bytes

1 TB

1,000 GB or 1,000

4

bytes

1 PB

1,000 TB or 1,000

5

bytes

1 EB

1,000 PB or 1,000

6

bytes

Logical storage capacity values (for example, logical device capacity) are

calculated based on the following values:

Logical capacity unit Value

1 block 512 bytes

1 cylinder Mainframe: 870 KB

Open-systems:

• OPEN-V: 960 KB

xvi

Preface

Command Control Interface User and Reference Guide

Logical capacity unit Value

• Others: 720 KB

1 KB

1,024 (2

10

) bytes

1 MB

1,024 KB or 1,024

2

bytes

1 GB

1,024 MB or 1,024

3

bytes

1 TB

1,024 GB or 1,024

4

bytes

1 PB

1,024 TB or 1,024

5

bytes

1 EB

1,024 PB or 1,024

6

bytes

Accessing product documentation

Product documentation is available on Hitachi Data Systems Support

Connect:

https://knowledge.hds.com/Documents. Check this site for the

most current documentation, including important updates that may have

been made after the release of the product.

Getting help

Hitachi Data Systems Support Connect is the destination for technical

support of products and solutions sold by Hitachi Data Systems. To contact

technical support, log on to Hitachi Data Systems Support Connect for

contact information: https://support.hds.com/en_us/contact-us.html.

Hitachi Data Systems Community is a new global online community for

HDS customers, partners, independent software vendors, employees, and

prospects. It is the destination to get answers, discover insights, and make

connections. Join the conversation today! Go to community.hds.com,

register, and complete your profile.

Comments

Please send us your comments on this document: [email protected].

Include the document title and number, including the revision level (for

example, -07), and refer to specific sections and paragraphs whenever

possible. All comments become the property of Hitachi Data Systems

Corporation.

Thank you!

Preface

xvii

Command Control Interface User and Reference Guide

xviii

Preface

Command Control Interface User and Reference Guide

1

Overview

This chapter provides an overview of the Command Control Interface (CCI)

software and CCI operations on the Hitachi RAID storage systems.

□

About Command Control Interface

□

CCI functions

□

CCI functions available on all RAID storage systems

Overview

1-1

Command Control Interface User and Reference Guide

About Command Control Interface

The Command Control Interface software enables you to perform storage

system configuration and data management operations by issuing commands

to the Hitachi RAID storage systems:

• Hitachi Virtual Storage Platform G200, G400, G600, G800

• Hitachi Virtual Storage Platform F400, F600, F800

• Hitachi Virtual Storage Platform G1000 and G1500 (VSP G1000 and

G1500)

For information about availability of Virtual Storage Platform F1500,

contact your Hitachi Data Systems representative.

• Hitachi Virtual Storage Platform F1500 (VSP F1500)

• Hitachi Unified Storage VM (HUS VM)

• Hitachi Virtual Storage Platform (VSP)

• Hitachi Universal Storage Platform V/VM (USP V/VM)

• Hitachi TagmaStore® Universal Storage Platform (TagmaStore USP)

• Hitachi TagmaStore® Network Storage Controller (TagmaStore NSC)

CCI continues to provide the proven functionality that has been available for

the USP V/VM and previous storage system models, including in-system

replication, remote replication, and data protection operations.

In addition, CCI for VSP and later provides command-line access to the same

provisioning and storage management operations that are available in the

GUI software (for example, Hitachi Command Suite, Storage Navigator). CCI

commands can be used interactively or in scripts to automate and

standardize storage administration functions, thereby simplifying the job of

the storage administrator and reducing administration costs.

Note: If a storage system rejects CCI commands, verify the software licenses

for the storage system (for example, TrueCopy) and the status of the

software product and storage system.

CCI functions

CCI functions matrix

The following table lists and describes the CCI functions available on the

Hitachi storage systems.

1-2

Overview

Command Control Interface User and Reference Guide

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Hitachi VSP G1500 User And Reference Manual

Hitachi VSP G1500 User And Reference Manual

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