Hitachi Virtual Storage Platform G1000 Hitachi Universal Volume

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    Hitachi Virtual Storage Platform G1000 Hitachi Universal Volume Manager User Guide

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  • Hitachi Virtual Storage Platform G1000 Hitachi Universal Volume Manager User Guide

    ii

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  • Contents iiiHitachi Virtual Storage Platform G1000 Hitachi Universal Volume Manager User Guide

    Contents

    Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ixIntended audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xProduct version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xRelease notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xDocument revision level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xChanges in this revision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xReferenced documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xDocument conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiConvention for storage capacity values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiAccessing product documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiiiGetting help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiiiComments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiii

    1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Featuresmultiple systems, common management . . . . . . . . . . . . . . . . . . . . 1-2How Universal Volume Manager works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Typical components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

    External storage system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4External volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4Internal volume. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4License . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

    Device Manager - Storage Navigator . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5Hitachi Command Control Interface software (CCI) . . . . . . . . . . . . . . . . 1-5Spreadsheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

    2 Requirements and planning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1Planning workflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Planning considerations for external storage systems . . . . . . . . . . . . . . . . . . . 2-4Application performance considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

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    Planning external volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5Cache use and external storage performance . . . . . . . . . . . . . . . . . . . . . . 2-6

    Cache Mode effects with other Hitachi software . . . . . . . . . . . . . . . . . . 2-6Mainframe volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7Open systems volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8External volume groups (ExGs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8Capacity requirements for volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

    LDEV capacities per emulation type. . . . . . . . . . . . . . . . . . . . . . . . . . 2-10Example: Determining capacity for OPEN-3 volume. . . . . . . . . . . . . . . 2-11Determining capacity for mainframe volume other than 3390-A and 3390-V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

    Adjusting volume capacities for pairs. . . . . . . . . . . . . . . . . . . . . . . . . 2-13Planning external paths and path groups . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

    External paths. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14Single path mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15Multi path mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16Supported external systems path mode for external volumes. . . . . . . . 2-17

    External path configurations direct and switch . . . . . . . . . . . . . . . . . . 2-20Default mapping settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

    3 Virtual Storage Platform G1000 software supported for external volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

    Cache Residency Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2Thin Image. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2Dynamic Provisioning, Dynamic Provisioning for Mainframe, Dynamic Tiering, Dynamic Tiering for Mainframe, and Thin Image . . . . . . . . . . . . . . . . . . . . . 3-3

    Global-active device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3Local replication software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3LUN Manager and Configuration File Loader. . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Performance Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Remote replication software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4SNMP Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5Virtual LVI/LUN (VLL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

    4 Setting up external volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1Setup workflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2Setting port attributes on the local system. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2Setting up ports on the external system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4Limitations on mapping an external volume . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5Mapping an external volume . . . . . . . .

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