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IBM TotalStorage DS6000 Introduction And Planning Manual
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IBM TotalStorage DS6000 Introduction And Planning Manual

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IBM TotalStorage DS6000
Introduction and Planning Guide
GC26-7679-04

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  • Page 1 IBM TotalStorage DS6000 Introduction and Planning Guide GC26-7679-04...
  • Page 3 IBM TotalStorage DS6000 Introduction and Planning Guide GC26-7679-04...
  • Page 4 Before using this information and the product it supports, read the information in the Safety and environmental notices and Notices sections. Fifth Edition (May 2005) © Copyright International Business Machines Corporation 2004, 2005. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

  • Page 5: Table Of Contents

    ..... . . 22 IBM TotalStorage DS Storage Manager ....22 DS Open application programming interface .
  • Page 6 Storage Management Console configuration ... . . 32 Disk drive module (DDM) storage features ....33 Capacity calculation guidelines .
  • Page 7 Japanese Voluntary Control Council for Interference (VCCI) class A statement 67 Korean Ministry of Information and Communication (MIC) statement ..67 Taiwan class A compliance statement ....68 Glossary .
  • Page 8 Introduction and Planning Guide...

  • Page 9: Tables

    24. Host attachment work sheet ......55 25. Activation codes work sheet ......58 © Copyright IBM Corp. 2004, 2005...
  • Page 10 viii Introduction and Planning Guide...

  • Page 11: About This Guide

    DS6000 series. Topics covered include licensed functions, physical configuration, site requirements, and ordering features. Who should use this guide This publication is for anyone who is planning to install and configure an IBM TotalStorage DS6000 series. © Copyright IBM Corp. 2004, 2005...

  • Page 12: Introduction And Planning Guide

    Introduction and Planning Guide...
  • Page 13 Summary of Changes for GC26-7679-04 IBM TotalStorage DS6000 Introduction and Planning Guide This document contains terminology, maintenance, and editorial changes. Technical changes or additions to the text and illustrations are indicated by a vertical line to the left of the change. This summary of changes describes new functions that have been added to this release.
  • Page 14 Introduction and Planning Guide...

  • Page 15: Chapter 1. Introduction

    Fully redundant power and cooling system v Disaster Recovery and Copy Service solutions Overview of the DS6000 series models The DS6000 series offers a base enclosure model with storage and optional expansion enclosures. © Copyright IBM Corp. 2004, 2005...

  • Page 16: Ds6800 (Model 1750-511)

    DS6800 (Model 1750-511) The DS6800 offers the following features: v Two FC controller cards v PowerPC 750GX 1 GHz processor v 4 GB of cache v Two battery backup units (one per each controller card) v Two ac/dc power supplies with imbedded enclosure cooling units v Eight 2 Gb/sec.

  • Page 17: Ds6000 Expansion Enclosure (Model 1750-Ex1)

    The DS6800 system offers connectivity support across a broad range of server ™ ® ™ ® environments, including IBM eServer , zSeries , iSeries , and pSeries servers as well as servers from Sun Microsystems, Hewlett-Packard, and other Intel-based providers.

  • Page 18: Performance Features

    The DS6000 series provides the following technology and hardware to meet today’s on demand business environments: Integrated RAID controller technology The DS6000 series features IBM’s 32-bit PowerPC microprocessor, a fourth generation processing technology. High availability The DS6000 series is designed with component redundancy to eliminate single points of hardware failure, and no single point of repair other than the enclosure.

  • Page 19: Data Availability Features

    the opportunity to quickly familiarize yourself with the major aspects of the DS6000 series and to easily recognize the topics for which you might require more information. It provides information regarding user assistance for tasks, concepts, reference, user scenarios, tutorials, and other types of user information.

  • Page 20: Copy Services

    Manager before you can begin using the features. IBM TotalStorage Resiliency Family IBM TotalStorage Resiliency Family is a set of products and features that are designed to help you implement storage solutions that keep your business running 24 hours a day, 7 days a week.
  • Page 21 (ESS) Models 750 and 800. The DS6000 series has a number of advanced Copy Services functions that are part of the IBM TotalStorage Resiliency family. Copy Services is a collection of functions that provides disaster recovery, data migration, and data duplication functions.

  • Page 22: Flashcopy

    FlashCopy The FlashCopy function enables you to make point-in-time, full volume copies of data, with the copies immediately available for read or write access. You can use the copy with standard backup tools that are available in your environment to create backup copies on tape.
  • Page 23 Multiple Relationship FlashCopy Allows a source volume to have multiple target volumes at the same time. Persistent FlashCopy Allows the FlashCopy relationship to remain even after the FlashCopy operation completes. You must explicitly delete the relationship. Refresh target volume Provides the ability to “refresh” a FlashCopy relationship, without recopying all tracks from the source volume to the target volume.

  • Page 24: Remote Mirror And Copy

    (target volumes). Note: Remote mirror and copy was referred to as Peer-to-Peer Remote Copy (PPRC) in earlier documentation for the IBM TotalStorage Enterprise Storage Server. Currently, the remote mirror and copy feature name is used generically for all methods of synchronous and asynchronous methods. In...
  • Page 25 Global Copy Global Copy functions offer a nonsynchronous long-distance copy option whereby write operations to a storage unit at your production site are considered complete before they are transmitted to a storage unit at your recovery site. Global Copy is a nonsynchronous mirroring function and is an alternative mirroring approach to Metro Mirror operations.
  • Page 26 Global Mirror provides a two-site extended distance remote copy option for disaster recovery. With Global Mirror, the data that the host writes to the storage unit at the production (local) site is asynchronously shadowed to the storage unit at the recovery site.
  • Page 27 You can enable the fast reverse option by accessing Copy Services functions from the Web interface called the IBM TotalStorage DS Storage Manager and navigating to the FlashCopy page and then to the Select copy options page.
  • Page 28 Maximum time writes are inhibited to the remote site Indicates the maximum time (in seconds) that write operations are not allowed at the recovery site before the storage unit stops forming a current consistency group. If the drain time is maintained for an extended period of time, the number of write operations that are required to transfer the data to the recovery site can become large enough to increase the time to form a consistency group.
  • Page 29 The automation program is not a part of the software provided with the storage unit; it must be supplied by the user. However, IBM has offerings to assist with this automation. For more information, contact your IBM storage representative.

  • Page 30: Z/Os Copy Services

    There are times, both planned and unplanned, when it is necessary to suspend disk mirroring and to make use of the secondary storage unit in your configuration. As a manual process, this can be complex. However, failover and failback recovery operations are available to simplify this process and reduce the risk of error and the time it takes to switch sites and restart I/O operations.

  • Page 31: Subsystem Device Driver For Open-Systems

    Activity to the device adapters. When selecting RAID disk groups within a cluster for a critical application, spread them across separate device adapters. v Activity to fibre-channel or FICON ports. Use the IBM TotalStorage Multipath Subsystem Device Driver (SDD) or similar software for other platforms to balance I/O activity across fibre-channel ports.

  • Page 32: Count Key Data

    Although sharing resources in the storage unit has advantages for storage administration and resource sharing, there are additional implications for workload planning. The benefit of sharing is that a larger resource pool (for example, disk drives or cache) is available for critical applications. However, you must ensure that uncontrolled or unpredictable applications do not interfere with critical work.

  • Page 33: Parallel Access Volumes

    Parallel access volumes Parallel access volumes (PAVs) allow your system to access volumes in parallel. A PAV capability represents a significant performance improvement by the storage unit over traditional I/O processing. With PAVs, your system can access a single volume from a single host with multiple concurrent requests. You must configure both your storage unit and operating system to use PAVs.

  • Page 34: Fibre Channel Host Attachments

    For information about host systems, operating system levels, host bus adapters, cables, and fabric support that IBM supports, see the DS6000 series Interoperability Matrix at: http://www.ibm.com/servers/storage/disk/ds6000/interop.html.

  • Page 35: Ficon-Attached Zseries Hosts

    Gbps with 2 Gbps host bus adapters. The DS6000 series negotiates automatically and determines whether it is best to run at 1 Gbps link or 2 Gbps link. The IBM TotalStorage DS6000 series detects and operates at the higher link speed.

  • Page 36: Ds6000 Interfaces

    DS Open application programming interface v DS Command-Line Interface (CLI) IBM TotalStorage DS Storage Manager The IBM TotalStorage DS Storage Manager is an interface that is used to perform logical configurations, service, copy services management, and for firmware upgrades.

  • Page 37: Ds Command-Line Interface

    DS6000 series, click Interoperability Matrix at the following DS6000 series Web site: http://www.ibm.com/servers/storage/disk/ds6000/interop.html Notification methods Call home support and SNMP messages provide notifications to you and IBM if an event occurs on your storage unit. Call home Chapter 1. Introduction...

  • Page 38: Remote Support

    The call home feature allows the transmission of operational and error-related data to IBM. It is the ability for the storage unit to alert IBM support to machine conditions. The DS Storage Manager sends data to IBM for error analysis and resolution.

  • Page 39: Licensed Function

    Upon activation, disk drives can be logically configured up to the extent of authorization. As additional disk drives are installed, the extent of IBM authorization must be increased by acquiring additional DS6800 feature numbers (5xxx). Otherwise, the additional disk drives cannot be logically configured for use.
  • Page 40 Introduction and Planning Guide...

  • Page 41: Chapter 2. Planning Use Of Licensed Functions

    DS6000 Expansion Enclosures. In addition, the license scope (FB, CKD, or entire machine) is client managed through an IBM Web-based application. This allows you to change the license scope on a given machine as your business requirements change. v Parallel access volumes The parallel access volume (PAV) function is an optional feature (number 51xx) that enables zSeries hosts to conduct multiple concurrent I/O operations.

  • Page 42: Copy Services Functions

    TB, you could activate 10 TB on one image and 13 TB on the other image. You will activate your licenses on the IBM Disk Storage Feature Activation (DSFA) Web site after you receive the serial number for your ordered function authorization.

  • Page 43: Feature Codes For Remote Mirror And Copy

    To see a current list of supported environments, configurations, networks, and products, see the DS6000 series Interoperability Matrix at: http://www.ibm.com/servers/storage/disk/ds6000/interop.html Table 3 provides the feature codes for the remote mirror and copy functions. Table 3. Remote mirror and copy (RMC) feature codes for DS6800...

  • Page 44: Ficon Attachment License

    Table 4. Parallel access volume (PAV) feature codes for DS6800 (continued) Feature code Description 5103 PAV - 25 TB unit 5104 PAV - 50 TB unit FICON Attachment license If you order the PAV function, you must also order a FICON attachment feature. Table 5 provides the feature code for a FICON server attachment license.

  • Page 45: Chapter 3. Planning The Physical Configuration

    A Storage Management Console is required for your DS6800. You must provide either a computer to use as your Storage Management Console or you can optionally order a computer from IBM. This computer must meet a minimum set of hardware and operating system compatibility requirements. If a Storage Management Console is ordered, it is placed as a separate order from the DS6800.

  • Page 46: Storage Management Console Configuration

    ® M51 Model 23U (8141-23U) Desktop system with a 3.0 GHz/800 MHz Intel Pentium 4 Processor. If a monitor also is required, IBM suggests the IBM 6737 ThinkVison C170 (6737-66x or 6737-K6x) 17-inch full flat shadow mask CRT color monitor with a flat screen (16-inch viewable-image).

  • Page 47: Disk Drive Module (Ddm) Storage Features

    This method uses Ethernet connections from a management console to each controller. The management station can be the host or a workstation on the Ethernet network. Each RAID controller must have connectivity to each other and to your Storage Management Console. Use the Ethernet interface ports on each RAID controller at the rear of the storage enclosure to connect a pair of Ethernet cables from the Storage Management Console to the controllers for direct management.

  • Page 48: Disk Drive Set Capacity (Raid 10 Arrays)

    Table 7 and Table 8 lists the effective capacity of a DS6800 disk drive sets. Table 7. Disk drive set capacity (RAID 10 arrays) Disk Total Fixed Effective capacity in GB size physical block (Number of Extents) (GB) capacity (FB) or Ranks of RAID 10 arrays (See per (GB)

  • Page 49: Fiber Optic Host Cables

    Table 8. Disk drive set capacity (RAID 5 arrays) (continued) Disk Total Fixed Effective capacity in G size physical block (Number of Extents) (GB) capacity (FB) or Ranks of RAID 5 arrays (See Note 4) (See (GB) per count key Note 2) disk drive data...

  • Page 50: Fibre Channel Host Interposers

    Table 10. Longwave fiber optic host cables feature codes for DS6800 Feature Cable Type (LC-LC) Quantity Code 1360 2M (9 micron) LC-LC cable 1 per feature 1361 7M (9 micron) LC-LC cable 1 per feature 1362 31M (9 micron) LC-LC cable 1 per feature Fibre channel host interposers If you are attaching a host port to systems or switches using the larger SC-type...

  • Page 51: System Rack Feature Codes

    The feature code 0800, listed in Table 15, is used to indicate that the DS6000 series ordered will be assembled into an IBM TotalStorage 2101-200 System Rack by IBM manufacturing. When selecting this feature the DS6000 series, Machine Type 1750 must be included on the same system order as the 2101-200 Rack. This feature will be automatically added to DS6000 series orders using the ECFGSSG configurator.

  • Page 52: Power Line Cords

    You must specify the power cord appropriate for your country or region from the feature codes listed in this section. IBM power cords for a specific country or region are usually available only in that country or region. Only one of these feature codes can be selected.

  • Page 53: Power Connector Requirements

    Table 16. Power cord feature codes (continued) Feature Cord specifics Used in these countries or regions Code 9820 250V/10A, 2.8M Afghanistan, Angola, Antilles, Arab Republic, Armenia, Austria, Belgium, Belarus, Bosnia, Botswana, Bulgaria, Burundi, Cameroon, Cape Verde Islands, Central Africa Republic, Congo, Czech Republic, Egypt, Estonia, Finland, France, French Polynesia, Germany, Greece, Guinea, Hungary, Iceland, Indonesia, Kazakhstan,...

  • Page 54: Feature Codes For A Modem

    Table 17. DS6000 series power connectors Power Power Line Cord Description Inline Receptacle Line Connector Cord Feature Code 9820 Line cord for Afghanistan, Angola, Antilles, IEC 320 C13 plug type 18 Arab Republic, Armenia, Austria, Belgium, (CEE7 VII) Belarus, Bosnia, Botswana, Bulgaria, Burundi, Cameroon, Cape Verde Islands, Central Africa Republic, Congo, Czech Republic, Egypt, Estonia, Finland, France,...
  • Page 55 The following table provides the feature codes that you can use to order a modem. Feature code Country Group 1201 Argentina, Belize, Bolivia, Brazil, Canada, Chile, Columbia, Costa Rica, Ecuador, El Salvador, Guatemala, Guyana, Honduras, Japan, Mexico, Nicaragua, Panama, Peru, Puerto Rico, Taiwan, Uruguay, U.S.A., Venezuela 1202 Australia, New Zealand 1203...
  • Page 56 Introduction and Planning Guide...

  • Page 57: Chapter 4. Planning For Installation

    Fibre channel disk drives e. Antistatic protection f. The rack-mounting hardware that ships with the DS6000 series g. The IBM TotalStorage DS Storage Manager CD, which includes the DS Storage Manager software and firmware h. Flathead screwdriver 6. Identify a management client server and ensure that it meets the hardware and operating system compatibility requirements.

  • Page 58: Service-Clearance And Floor-Load Requirements

    Service-clearance and floor-load requirements This topic provides floor-loading strength and service clearances for the DS6000 series. Clearances for the DS6000 models or expansion enclosure For each DS6000 series model or expansion unit, service personnel must be able to open the front and rear covers to perform service. Service clearance refers to the empty space in front of, next to, or behind a storage unit that a service person needs in order to access the unit.

  • Page 59: Input Voltage Requirements

    Table 19. Operating environment (continued) Maximum physical storage capacity 67.2 GB Table 20 describes the acoustic declaration information for the DS6000 series. Table 20. Acoustic declaration for the DS6000 series Declared A-Weighted Sound Declared A-Weighted Sound Power Level, LWAd (B) Pressure Level, LpAm (dB) Product Description Operating...

  • Page 60: Rack Mounting Template

    The DS6000 series requires an Electronic Industries Association (EIA) 310-D Section 1 19-inch rack cabinet. The distance between EIA rails, from the front to the rear of the rack, is 69.5 centimeters (27.36 inches) minimum to 76.5 centimeters (30.12 inches) maximum. This rack conforms to the EIA standard. Where you place the support rails in the rack depends on where you intend to position the server or storage enclosure.

  • Page 61: Considering Safety Issues

    You are responsible for providing a fire suppression system for your DS6000 series. IBM designs and manufactures equipment to internal and external standards that require certain environments for reliable operation. Because IBM does not test any equipment for compatibility with fire-suppression systems, IBM does not make compatibility claims of any kind.

  • Page 62: Considering Earthquake Preparedness Alternatives

    However, it also causes the most damage to the storage unit because the unit absorbs most of the shock. IBM does not support hard mounting. Delivery requirements Before you receive your DS6000 series shipment, ensure that you meet all delivery requirements.

  • Page 63: Packaged Dimensions And Weight For Ds6000 Series Without A Rack (All Countries)

    v When you order the DS6000 series with a 2101-200 rack, the ship group items such as power cords, CDs, and other ordered features or peripherals will be packaged and shipped in a separate container. Table 22 lists the final packaged dimensions and maximum packaged weight of a DS6000 series shipment without a 2101-200 rack.

  • Page 64: Planning For Network And Communications Requirements

    – Point-to-point – Switched fabric – Arbitrated loop See the IBM TotalStorage DS6000 Host Systems Attachment Guide, for more information about these supported topologies. v The maximum distance between a host fibre-channel port and the following network components is 11 km (6 mi): –...

  • Page 65: Remote Support Connection Requirements

    You must meet the requirements if you will use remote support. You must allow an outside connection, such as one of the following: v A VPN connection v An internet connection through your firewall that allows IBM to connect to your storage management system. SAN requirements and considerations These requirements and considerations can help you plan for a DS6000 series that attaches to a SAN.
  • Page 66 Introduction and Planning Guide...

  • Page 67: Chapter 5. Planning Your Ds6000 Series

    (MTMS) and serial number Completing the network settings work sheet Complete the network settings work sheet to define your network settings that you will need if the DS6000 series is connected to a network. © Copyright IBM Corp. 2004, 2005...

  • Page 68: Host Attachment Work Sheet

    Item or Setting Instructions Your information Processor controller card Provide the dotted decimal IP 1 IP Address address that you are assigning for Processor controller card 0 in the DS6800. The current IP address should either be the default address (if a new address has not been specified) or a user-defined address (if the default address...

  • Page 69: Configuring Your Ds6000 Series

    Table 24. Host attachment work sheet Number of Host Name Ports Worldwide Port Name Configuring your DS6000 series This section provides an overview of the methods you can use to configure a DS6000 series. You can use one of the following three methods to configure your storage complex: v Offline Configuration v Online Configuration v Express Configuration...

  • Page 70: Express Configuration Overview

    Use the online configuration method to perform the following tasks: v Construct and apply valid logical configuration actions on new or fully de-configured storage servers at the time each action is initiated. v Complete and apply valid logical configuration actions on existing storage complexes, storage servers, and storage units at the time each action is initiated.

  • Page 71: Chapter 6. Activating Licenses

    4. Click the General tab, and the general properties display in the panel. Gather the following information about your storage unit. You must enter this information at the IBM Web site in the next step of this task. You can use the following table to document this information.

  • Page 72: Activation Codes Work Sheet

    Machine’s serial number Model number Machine signature 5. At a computer with an Internet connection and a browser, connect to the IBM Disk Storage Feature Activation (DSFA) Web site at http://www.ibm.com/storage/dsfa. 6. The DSFA application displays in the browser. Use the application to obtain the activation codes and follow the instructions on the screen.

  • Page 73: Importing Activation Codes

    The easiest way to apply the feature activation codes is to download the activation codes from the IBM Disk Storage Feature Activation (DSFA) Web site to your local computer and then to import the file into the DS Storage Manager. If you cannot...

  • Page 74: Applying Feature Activation Keys To A New Storage Unit

    The easiest way to apply the feature activation keys is to download the activation keys from the IBM Disk Storage Feature Activation (DSFA) Web site to your local computer and then access the DS Storage Manager application from that same computer and upload the file.

  • Page 75: Accessibility

    You can use screen-reader software and a digital speech synthesizer to hear what is displayed on the screen. IBM Home Page Reader version 3.0 has been tested. v You can operate features using the keyboard instead of the mouse.
  • Page 76 Introduction and Planning Guide...

  • Page 77: Notices

    Web sites. The materials at those Web sites are not part of the materials for this IBM product and use of those Web sites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

  • Page 78: Terms And Conditions For Downloading And Printing Publications

    All statements regarding IBM’s future direction or intent are subject to change or withdrawal without notice, and represent goals and objectives only. This information is for planning purposes only. The information herein is subject to change before the products described become available.

  • Page 79: Trademarks

    DFSMS/MVS v DFSMS/VM v e (logo) v Enterprise Storage Server v ES/9000 v ESCON v FICON v FlashCopy v HACMP v IBM v Intellistation v MVS/ESA v Netfinity v NetVista v Operating System/400 v OS/400 v RS/6000 v S/390...

  • Page 80: Electronic Emission Notices

    Properly shielded and grounded cables and connectors must be used to meet FCC emission limits. IBM is not responsible for any radio or television interference caused by using other than recommended cables and connectors, or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could void the users authority to operate the equipment.

  • Page 81: Japanese Voluntary Control Council For Interference (Vcci) Class A Statement

    Der Aussteller der Konformitaetserklaeung ist die IBM Deutschland. Informationen in Hinsicht EMVG Paragraph 3 Abs. (2) 2: Das Geraet erfuellt die Schutzanforderungen nach EN 50082-1 und EN 55022 Klasse A. EN 55022 Klasse A Geraete beduerfen folgender Hinweise: Nach dem EMVG: "Geraete duerfen an Orten, fuer die sie nicht ausreichend entstoert...

  • Page 82: Taiwan Class A Compliance Statement

    Taiwan class A compliance statement VS07171L Introduction and Planning Guide...

  • Page 83: Glossary

    (A) supports RAID 5, RAID 10, and 15000 after the definition. rpm drives. Model 800 supersedes Model v IBM Terminology, which is available online at F20. the following Web site: http://www- 1750 The machine type for the IBM 306.ibm.com/ibm/terminology/index.html.
  • Page 84 Contrast with assigned ASCII set consists of control characters storage. and graphic characters. (A) Some organizations, including IBM, have used American National Standards Institute (ANSI) the parity bit to expand the basic code set. An organization of producers, consumers,...
  • Page 85 DS6000 and a service provider. The DS6000 can use this link to place a call to 2) The storage medium required to store a IBM or to another service provider when it single binary digit. See also byte. requires service. With access to the...
  • Page 86 channel command retry (CCR) UNIX shell commands). See also Copy For zSeries, the protocol used between a Services command-line interface. channel and a control unit that enables compact disc the control unit to request that the channel An optically read disc, typically storing reissue the current command.
  • Page 87 The allegiance causes dependent, might depend on the IBM the control unit to guarantee access; the TotalStorage Enterprise Storage Server control unit does not present the busy Subsystem Device Driver, or might not status to the device.
  • Page 88 (R) that identifies the record on the track. It defines a one-byte key length See device adapter. See also IBM Serial that specifies the length of the record’s Storage adapter. key field (0 means no key field). It defines...
  • Page 89 data field device. The storage unit stages incoming The optional third field of a count key data data into cache and then destages it to (CKD) record. The count field specifies the disk. length of the data field. The data field device contains data that the program writes.
  • Page 90 DS6000 disk group See IBM TotalStorage DS6000. A collection of 4 disk drives that are connected to the same pair of IBM Serial DS6000 Batch Configuration tool Storage adapters and can be used to A program that automatically configures a create a RAID array.
  • Page 91 DS6000. See also pseudo host and 2) A set of IBM products and services that access-any mode. provide a dynamically connected See electrostatic discharge. environment within an enterprise.
  • Page 92 FC for feature code. extended binary-coded decimal interchange code (EBCDIC) FC-AL See Fibre Channel-Arbitrated Loop. An IBM-developed coding scheme used to See fibre-channel protocol. represent various alphabetic, numeric, and special symbols with a coded character See fibre-channel standard.
  • Page 93 American National Standards Institute is a block. All blocks on the device are the (ANSI) X3.230-199x. See also same size (fixed size); the subsystem can fibre-channel protocol. access them independently. This is the required format of the logical data units for fibre-channel topology host systems that attach with a SCSI or An interconnection topology supported on...
  • Page 94 on the same DS6000 or on another head and disk assembly (HDA) DS6000. In other words, all modifications The portion of an HDD associated with the that any attached host performs on the medium and the read/write head. primary logical volume are also performed heartbeat on the secondary logical volume at a later A status report sent at regular intervals...
  • Page 95 IBM TotalStorage Enterprise Storage Server Network (ESSNet) A private network providing Web browser i5/OS The IBM operating system that runs the access to the Enterprise Storage Server. IBM i5/OS and e(logo)Server i5 server IBM installs the ESSNet software on an families of servers.
  • Page 96 The upper layer software and services that are available supports one or more logical protocols (for on theIBM TotalStorage DS6000 and the example, a SCSI-command protocol and a IBM TotalStorage Enterprise Storage zSeries command protocol). Refer to ANSI Server, Models 750 and 800.
  • Page 97 It is the successor to the AS/400 family of servers. See licensed machine code. licensed machine code (LMC) Microcode that IBM does not sell as part Java Virtual Machine (JVM) of a machine, but licenses to the A software implementation of a central customer.
  • Page 98 source or destination address in a frame functions. An LSS is a primary control unit, used to select a specific which performs the functions of a channel channel-subsystem or control-unit image. image. logical block address (LBA) logical subsystem (LSS) The address assigned by the DS6000 to a A topological construct that consists of a sector of a disk.
  • Page 99 Product data gathered by a machine and group interval time if this value is set to sent to a destination such as an IBM zero. support server or RETAIN. These records might include such information as feature...
  • Page 100 (I) (A) miscellaneous equipment specification (MES) medium IBM field-installed change to a machine. For a storage unit, the disk surface on missing-interrupt handler (MIH) which data is stored. An MVS and MVS/XA facility that tracks megabyte (MB) I/O interrupts.
  • Page 101 Netscape Navigator Web browser software manufactured by original equipment manufacturer’s information Netscape. (OEMI) A reference to an IBM guideline for a network manager computer peripheral interface. The A program or group of programs that is interface uses ESA/390 logical protocols...
  • Page 102 See protocol data unit. A write operation that can cache without knowledge of the existing format on the See IBM product engineering. medium. All write operations on FBA peripheral component interconnect (PCI) DASD devices are predictable. On CKD...
  • Page 103 (PTF) A temporary solution to, or bypass of, a See track-descriptor record. problem diagnosed by IBM as the result of rack See enclosure. a defect in a current unaltered release of a licensed program. (GC) RAID See redundant array of independent disks.
  • Page 104 SAID See system adapter identification number. network (RETAIN) The initial service tracking system for IBM See sequential access method. service support, which captures heartbeat See storage area network. and call-home records. See also support...
  • Page 105 DS6000. This term also refers the data stream to determine character to a service provider, a service boundaries and inter-conductor representative, or an IBM service support synchronization. representative (SSR). An IBM SSR installs sequential access the DS6000.
  • Page 106 have a common model for the information Information Base (MIB) objects for on a storage device. The programs must information that resides on the managed be designed to handle the effects of system. Managers generate requests for concurrent access. this MIB information, and an SNMP agent on the managed system responds to shortwave laser adapter these requests.
  • Page 107 standard volume striping A volume that emulates one of several A technique that distributes data in bit, zSeries volume types, including 3390-2, byte, multibyte, record, or block 3390-3, 3390-9, 3390-2 (3380-track increments across multiple disk drives. mode), or 3390-3 (3380-track mode), by subagent presenting the same number of cylinders An extension to an SNMP agent that...
  • Page 108 R0. devices. A SCSI target is analogous to a transaction processing facility (TPF) zSeries control unit. See also small A high-availability, high-performance IBM computer system interface. operating system, designed to support target device real-time, transaction-driven applications.
  • Page 109 See time sharing option. system. turbo processor The root name of several IBM operating A faster multiprocessor that has six systems, such as VM/XA, VM/ESA, processors with common access to the VM/CMS, and z/VM. See also virtual main storage.
  • Page 110 RAID-5 write operation. WWNN See worldwide node name. WWPN See worldwide port name. xSeries The product name of an IBM e(logo)server product that emphasizes industry-standard server scalability and self-managing server technologies. It is the successor to the Netfinity family of servers. z/Architecture An IBM architecture for mainframe computers and peripherals.

  • Page 111: Index

    16 offline 55 fast reverse 13 online 56 FB, fixed block 18 reconfiguration 22 Feature Activation (DSFA), IBM Disk Storage 57 Storage Management Console 33 feature codes 28 work sheet 53 fiber optic host cables 35 connectivity 33...
  • Page 112 36 online configuration 56 Remote Mirror and Copy 10 sessions management 14 I/O load, balancing 17 IBM Disk Storage Feature Activation (DSFA) 57 IBM service 24 parallel access volume (PAV) IBM TotalStorage Resiliency Family feature codes 29...
  • Page 113 PAV (parallel access volumes) 19 shipments performance features 4 package types 48 performance features, data availability 5 planning to receive 48 planning 53 site preparation 43 configuration 31 Small Form-factor Pluggable (SFP) 36 Copy Services 6 SNMP support 23 delivery requirements 48 software requirements 23 feature codes 31 sound levels 44...
  • Page 114 Introduction and Planning Guide...
  • Page 115 Thank you for your responses. May we contact you? h Yes h No When you send comments to IBM, you grant IBM a nonexclusive right to use or distribute your comments in any way it believes appropriate without incurring any obligation to you. Name...
  • Page 116 Readers’ Comments — We’d Like to Hear from You Cut or Fold Along Line GC26-7679-04 Fold and Tape Please do not staple Fold and Tape _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ NO POSTAGE NECESSARY IF MAILED IN THE...
  • Page 118 Printed in USA GC26-7679-04...

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