EMC Introduction on VNX

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  • White Paper

    Abstract

    This white paper introduces the EMC VNX series unified platform. It discusses the different models, new

    and improved features, and key benefits.

    September 2011

    INTRODUCTION TO THE EMC VNX SERIES A Detailed Review

  • 2 Introduction to the EMC VNX Series

    Copyright 2011 EMC Corporation. All Rights Reserved.

    EMC believes the information in this publication is

    accurate of its publication date. The information is

    subject to change without notice.

    The information in this publication is provided as is. EMC Corporation makes no representations or warranties

    of any kind with respect to the information in this

    publication, and specifically disclaims implied warranties

    of merchantability or fitness for a particular purpose.

    Use, copying, and distribution of any EMC software

    described in this publication requires an applicable

    software license.

    For the most up-to-date listing of EMC product names,

    see EMC Corporation Trademarks on EMC.com.

    VMware is a registered trademark of VMware, Inc. All

    other trademarks used herein are the property of their

    respective owners.

    Part Number h8217.2

  • 3 Introduction to the EMC VNX Series

    Table of Contents

    Executive summary ............................................................................................ 5

    Audience .........................................................................................................................5

    Terminology......................................................................................................................5

    VNX family overview .......................................................................................... 8

    VNX hardware components .........................................................................................8

    Block, file, and unified configurations ....................................................................... 10

    New components and features in the VNX .................................................... 12

    New Xeon 5600 processor makes VNX faster and greener ................................... 12

    Lead-free Generation 3 power supplies are 7 to 10 percent more efficient ...... 12

    New high capacity and small form factor drives .................................................... 13

    VNX VG2 and VG8 gateway support for VMAXe and FCoE ................................. 14

    New DAEs, DPEs, and drives provide increased density ........................................ 14

    6 Gb/s x 4 lanes SAS back end improves performance and availably ............... 25

    Expanded UltraFlex I/O using PCI-E Gen 2 increases bandwidth ......................... 26

    VNX models ...................................................................................................... 27

    VNX5100 ........................................................................................................................ 29

    VNX5300 ........................................................................................................................ 32

    VNX5500 ........................................................................................................................ 34

    VNX5700 ........................................................................................................................ 35

    VNX7500 ........................................................................................................................ 38

    I/O modules ...................................................................................................... 39

    I/O modules for the block side ................................................................................... 39

    I/O modules for the file side........................................................................................ 43

    Control Station .................................................................................................. 46

    Standby power supply ..................................................................................... 47

    Software on the VNX series .............................................................................. 48

    Reserved area on VNX series storage systems ........................................................ 48

    Unified management .................................................................................................. 48

    Software for efficiency ..................................................................................... 49

    Fully Automated Storage Tiering for Virtual Pools (FAST VP) .................................. 49

    FAST Cache................................................................................................................... 51

    Data deduplication ..................................................................................................... 52

    Thin Provisioning ........................................................................................................... 53

    Replicator ...................................................................................................................... 54

    Software for protection ..................................................................................... 54

  • 4 Introduction to the EMC VNX Series

    RecoverPoint integration ............................................................................................ 54

    MirrorView/A ................................................................................................................. 55

    MirrorView/S .................................................................................................................. 55

    SAN Copy ...................................................................................................................... 56

    Business continuance ....................................................................................... 56

    Snapshots ...................................................................................................................... 56

    Checkpoints .................................................................................................................. 56

    Clones ............................................................................................................................ 57

    Security .............................................................................................................. 57

    Anti-virus software ........................................................................................................ 57

    Quota management and auditing ........................................................................... 57

    File-Level Retention ...................................................................................................... 57

    Advanced Data Services Support for file........................................................ 59

    Serviceability, availability, and performance ................................................ 60

    File-side control LUN protection ................................................................................. 60

    Unified software upgrade ........................................................................................... 60

    Unified Remote Support .............................................................................................. 60

    VNX scalability and performance .................................................................. 61

    Conclusion ........................................................................................................ 62

    Appendix A: System level, block, and file components ............................... 63

    Appendix B: Storage processor UltraFlex I/O slot availability ...................... 68

  • 5 Introduction to the EMC VNX Series

    Executive summary

    Scalability, efficiency, and simplicity are three challenges that are a

    constant in the storage industry. Storage systems need to provide

    scalability, extreme efficiency, and a simple, intuitive user interface.

    The EMC VNX series utilizes the newest technology available to optimize your storage environment. The use of Intels new Xeon 5600 processor provides faster clock speeds and more cores to handle the daily demands

    of storage I/O. Increased memory capacity, the use of Flash drives in FAST

    VP, FAST Cache, a new 6 Gb/s x 4 lanes SAS back end, and denser disk

    enclosures all help provide optimal scalability and efficiency.

    The convergence of block and file (formerly SAN and NAS) in the new VNX

    series achieves the simplicity that is necessary to effectively perform

    management operations.

    The VNX series is designed for a wide range of environments that include

    midtier through enterprise. VNX provides offerings that include file only,

    block only, and unified (block and file) implementations. The VNX series is

    managed through a simple and intuitive user interface called Unisphere; this single pane of glass completes the unified experience.

    This white paper discusses the new VNX series and its hardware and

    software. This paper also describes the serviceability and availability

    features that have been added to the VNX, such as LUN protection,

    Advanced Data Services Support for file, Unified Remote Support, and the

    Unisphere Service Manager.

    Audience

    This white paper is intended for IT architects, administrators, and anyone

    interested in VNX series arrays. The reader should be familiar with storage

    array concepts, general hardware, and the software services provided by

    the arrays.

    Terminology AVM Automatic Volume Management is a file feature that performs

    the steps (such as slicing, metavolume creation, and so forth) to create

    file systems.

    CNA A Converged Network Adapter is a host adapter that allows a host to process both Fibre Channel and Ethernet traffic using a single

    type of card and connection, decreasing infrastructure costs over time.

    DAE A disk-array enclosure houses various numbers of drives and connects them to the arrays front end.

  • 6 Introduction to the EMC VNX Series

    DPE A disk-processor enclosure is a new form factor (or enclosure) that houses both storage processors and the first tray of disks in only 3U of

    rack space using a single enclosure. This contributes to the increased

    density of lower-end VNX arrays.

    FAST Cache This feature extends an EMCs arrays cache using Flash drives.

    FAST VP The Fully Automated Storage Tiering for Virtual Pools feature allows the automatic placement of data in appropriate tiers to more

    efficiently utilize the available tiers in an array.

    FC The Fibre Channel protocol is used in SANs.

    FCoE Fibre Channel over Ethernet technology allows the encapsulation of Fibre Channel frames by Ethernet. With CNAs, a host may use one

    type of adapter and cable for both Ethernet and Fibre Channel traffic.

    Flash drive Flash drives provide extremely high performance and consume very little power. These drives allow a VNX series array to

    provide an Extreme Performance level of storage for critical workloads

    that require optimal performance. Flash drives can also be used to

    extend the arrays cache using FAST Cache technology.

    LUN A logical unit number describes a logical volume on the block side.

    MVM Manual Volume Management is a file feature that gives the end user full control over the objects that are required to support file systems,

    such as metas, slices, and stripes.

    NAS storage pool NAS storage pools are mapped from the block side when a LUN is added to the ~filestorage storage group.

    NL-SAS Near-Line Serial Attached SCSI drives provide similar performance and capacity to SATA drives, utilizing a SAS interface for

    I/O.

    SAS Serial-attached SCSI is a point-to-point architecture, in which all the drives connect directly to an expanding switching matrix. SAS drives

    are supported by the VNX series.

    SLIC Small I/O cards are also known as UltraFlex I/O modules.

    SPE Storage-processor enclosures, or a form factor, house only the storage processors. This form factor is used on the higher-end VNX arrays

    and exploits the advantage of having more UltraFlex I/O slots available.

    Storage pool A storage pool is a single repository of homogeneous or heterogeneous physical disks from which LUNs may be created on the

  • 7 Introduction to the EMC VNX Series

    block side. This structure enables ease of use and technologies such as

    FAST VP.

    ICM The Inter-Connect Module is located on the back of the 60-drive DAE and connects the DAE to the Storage Processors via SAS ports. The

    module also provides bus and enclosure numbering information.

  • 8 Introduction to the EMC VNX Series

    VNX family overview

    The VNX family includes the VNXe and VNX series arrays. The VNXe series is designed for small-to-midsize environments, while the VNX series is

    designed for midtier-to-enterprise storage environments.

    The VNXe series provides high availability, scalability, and application-

    aware, wizard-driven disk provisioning in a small, dense, and energy-

    efficient form factor. For more information about the VNXe series, please

    refer to the white paper EMC VNXe Series Storage Systems.

    The VNX series is EMCs next generation of midrange products. The VNX series unifies EMCs file-based Celerra (NS) and block-based CLARiiON (CX4) offerings into a single product that you can manage with one easy-

    to-use GUI. The VNX operating environment is a new software environment

    that is based on, and leverages, the proven success of FLARE 30 (for

    CLARiiON) and DART 6.0 (for Celerra). This new software environment

    combines the features offered by the CLARiiON and Celerra, and offers

    significant advancements in efficiency, simplicity, and performance.

    New benefits of the VNX series include:

    New state-of-the-art hardware:

    PCI-E Gen 2 I/O modules

    6 Gb/s x 4 lanes SAS back-end infrastructure

    More memory

    Intels latest Xeon 5600 multi-core processors

    Expanded UltraFlex I/O, delivered with denser packaging

    Block functionality that supports the FC, iSCSI, and FCoE protocols

    File functionality that supports the NFS, CIFS, MPFS, and pNFS protocols

    Support for up to 1,000 drives.

    Automated tiering with Fully Automated Storage Tiering for Virtual Pools

    (FAST VP) for block and file data.

    Unified replication using EMC RecoverPoint for block and file data.

    Updated unified management with Unisphere now delivers a more

    cohesive, unified user experience

    VNX hardware components

    VNX storage systems include the following components:

    Storage processors (SPs) support block data with UltraFlex I/O

    technology that supports Fibre Channel, iSCSI, and FCoE protocols. The

  • 9 Introduction to the EMC VNX Series

    SPs provide access for all external hosts and for the file side of the VNX

    array.

    The storage-processor enclosure (SPE) is 2U in size and houses each

    storage processor. This form factor is used for the higher-end VNX

    VNX5700 and VNX7500 models, and supports a maximum of 500 or 1,000...

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