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EMC FC4700 Configuration Planning Manual

Fibre channel storage system
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EMC Corporation
Corporate Headquarters : (508) 435-1000, (800) 424-EMC2
EMC Enterprise Storage
EMC Fibre Channel Storage System
CONFIGURATION PLANNING GUIDE
171 South Street, Hopkinton, MA 01748-9103
Fax : (508) 435-5374
Model FC4700
P/N 014003016-A03
Service : (800) SVC-4EMC

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  • Page 1 EMC Enterprise Storage EMC Fibre Channel Storage System Model FC4700 CONFIGURATION PLANNING GUIDE P/N 014003016-A03 EMC Corporation 171 South Street, Hopkinton, MA 01748-9103 Corporate Headquarters : (508) 435-1000, (800) 424-EMC2 Fax : (508) 435-5374 Service : (800) SVC-4EMC...
  • Page 2 Trademark Information , EMC, Navisphere, CLARiiON, MOSAIC:2000, and Symmetrix are registered trademarks and EMC Enterprise Storage, The Enterprise Storage Company, The EMC Effect, Connectrix, EDM, SDMS, SRDF, Timefinder, PowerPath, InfoMover, FarPoint, EMC Enterprise Storage Network, EMC Enterprise Storage Specialist, EMC Storage Logix, Universal Data Tone, E-Infostructure, Access Logix, Celerra, SnapView, and MirrorView are trademarks of EMC Corporation.

  • Page 3: Table Of Contents

    RAID Groups and LUNs ............2-3 RAID Types..................2-4 RAID 5 Group (Individual Access Array) ......2-4 RAID 3 Group (Parallel Access Array)........2-5 RAID 1 Mirrored Pair..............2-7 RAID 0 Group (Nonresident Array) ........2-7 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 4 Sample Unshared Direct Installation ..........5-7 Planning Applications, LUNs, and Storage Groups....5-8 Application and LUN Planning ..........5-8 Application and LUN Planning Worksheet ......5-9 LUN and Storage Group Planning Worksheet ....5-10 LUN Details Worksheet............5-13 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 5 Sample Cable Templates............6-16 Hardware Component Worksheet........6-17 Chapter 7 Storage-System Management Introducing Navisphere Management Software ......7-2 Using Navisphere Manager Software ........... 7-3 Storage Management Worksheet ........... 7-4 Index ..........................i-1 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 6 Contents EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 7 Rackmount Storage System with DPE and DAEs ........6-4 Disk Modules and Module IDs ..............6-5 Shared Storage Systems ................6-6 Cable Planning Template — FC4700 Shared Storage System ....6-14 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 8 Figures Sample Shared Storage Installation ............6-16 Sample Shared Switched Environment with Manager ......7-3 viii EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 9: Preface

    After reading this guide, you will be able to • determine the best storage-system components for your installation • determine your site requirements • configure storage systems correctly EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 10 A note presents information that is important, but not hazard-related. Where to Get Help Obtain technical support by calling your local sales office. If you are located outside the USA, call the nearest EMC office for technical assistance. For service, call:...

  • Page 11: About Fibre Channel Fc4700 Storage Systems And Storage Networks

    • Introducing Fibre Channel Storage Systems........1-2 • Fibre Channel Background ...............1-3 • Fibre Channel Storage Components..........1-4 • Types of Storage-System Installations..........1-8 • About Switched Shared Storage and SANs (Storage Area Networks)....................1-9 About Fibre Channel FC4700 Storage Systems and Storage Networks...

  • Page 12: Introducing Fibre Channel Storage Systems

    A storage-system package includes a host bus adapter driver kit with hardware and software to connect with a server, storage management software, Fibre Channel interconnect hardware, and one or more storage systems. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 13: Fibre Channel Background

    About Fibre Channel FC4700 Storage Systems and Storage Networks Fibre Channel Background Fibre Channel is a high-performance serial protocol that allows transmission of both network and I/O channel data. It is a low level protocol, independent of data types, and supports such formats as SCSI and IP.

  • Page 14: Fibre Channel Storage Components

    The maximum length of optical cable between server and switch or storage system is 500 meters (1,640 feet) for 62.5-micron multimode cable or 10 kilometers (6.2 miles) for 9-micron single-mode cable. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 15: Switch Topology (Port To Port)

    About Fibre Channel FC4700 Storage Systems and Storage Networks With extenders, optical cable can span up to 40 kilometers (25 miles) or more. This ability to span great distances is a major advantage of optical cable. Details on cable lengths and rules appear later in this manual.

  • Page 16: A Switch Zone

    Groups you create (defined later). Fibre Channel switches are available with 16 or 8 ports. They are compact units that fit in 2 U (3.5 inches) for the 16 port or 1 U (1.75 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 17: Storage Component (Storage Systems, Sps, And Other Hardware)

    About Fibre Channel FC4700 Storage Systems and Storage Networks inches) for the 8 port. They are available to fit into a rackmount cabinet or as small deskside enclosures. Ports EMC1807 16-Port Switch, Back View Figure 1-5 If your servers and storage systems will be far apart, you can place the switches closer to the servers or the storage systems, as convenient.

  • Page 18: Types Of Storage-System Installations

    Access Logix, but with operating system cluster software controlling LUN access), depending on the hardware model. FC4700 storage systems are shared; they include Access Logix, which means the servers need not use cluster software to control LUN access. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 19: About Switched Shared Storage And Sans (Storage Area Networks)

    • easier file backup and recovery An EMC SAN is based on shared storage; that is, the SAN requires EMC Access Logix to provide flexible access control to storage-system LUNs. Within the SAN, a network connection to each SP in the storage system lets you configure and manage it.

  • Page 20: Storage Groups

    Each server is configured with two independent paths to its data, including separate host bus adapters, switches, and SPs, so there is no single point of failure for access to its data. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 1-10...

  • Page 21: Sample Shared Storage Configuration

    About Fibre Channel FC4700 Storage Systems and Storage Networks Highly available cluster Database File server Mail server server Operating Operating Operating system A system A system B Switch fabric Switch fabric Path 1 Path 2 SP A SP B Cluster Storage...

  • Page 22: Data Access Control With Shared Storage

    02, 03 Path 2 E-mail and Web Server Storage Sroup Shared Data access by adapters 04, 05, 06, 07 EMC1812 Data Access Control with Shared Storage Figure 1-10 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 1-12...

  • Page 23: Storage-System Hardware

    About Fibre Channel FC4700 Storage Systems and Storage Networks Storage-System Hardware A Fibre Channel storage system is based on a disk-array processor enclosure (DPE). A DPE is a 10-slot enclosure with hardware RAID features provided by one or two storage processors (SPs). For high availability, two SPs are required.
  • Page 24 About Fibre Channel FC4700 Storage Systems and Storage Networks EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 1-14...
  • Page 25 Invisible Body Tag RAID Types and Tradeoffs This chapter explains RAID types you can choose for your storage- system LUNs. If you already know about RAID types and know which ones you want, you can skip this background information and go to the planning chapter (Chapter 5).

  • Page 26: Raid Types And Tradeoffs

    RAID 0 Group); the hardware will then mirror the disks automatically. With a LUN of any RAID type, a storage system can maintain a remote copy using the optional MirrorView software. MirrorView EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 27: Raid Groups And Luns

    RAID Types and Tradeoffs remote mirroring, primarily useful for disaster recovery, is explained in Chapter 3. RAID Groups and LUNs Some RAID types let you create multiple LUNs on one RAID Group. You can then allot each LUN to a different user, server, or application. For example, a five-disk RAID 5 Group that uses 36-Gbyte disks offers 144 Gbytes of space.

  • Page 28: Raid Types

    The stripe size comprises all stripe elements. Notice that the disk block addresses in the stripe proceed sequentially from the first disk to the second, third, and fourth, then back to the first, and so on. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 29: Raid 3 Group (Parallel Access Array)

    RAID Types and Tradeoffs Stripe Blocks First disk Stripe Parity 0-127 512-639 1024-11511536-1663 element … size Second disk 128-255 640-767 1152-1279 Parity 2048-2175 … Third disk Parity 256-383 768-895 1664-1791 2176-2303 … Stripe size Fourth disk User data Parity 384-511 1280-1407 1792-1919 2304-2431 …...

  • Page 30: Raid 3 Group

    RAID 3 Groups. RAID 1 mirrored pairs and individual units require less SP processing power, and therefore work well with RAID 3 Groups. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 31: Raid 1 Mirrored Pair

    RAID Types and Tradeoffs RAID 1 Mirrored Pair A RAID 1 Group consists of two disks that are mirrored automatically by the storage-system hardware. RAID 1 hardware mirroring within the storage system is not the same as software mirroring, remote mirroring, or hardware mirroring for other kinds of disks.

  • Page 32: Raid 1/0 Group (Mirrored Raid 0 Group)

    (first and fourth disks) to the second mirrored disks (second and fifth disks), to the third mirrored disks (third and sixth disks), and then from the first mirrored disks, and so on. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 33: Individual Disk Unit

    RAID Types and Tradeoffs Stripe First disk of primary image Blocks Stripe 0-127 384-511 768-895 1152-1279 1536-1663 element … size Second disk of primary image 128-255 512-639 896-1023 1280-1407 1664-1791 Stripe … size Third disk of primary image 256-383 640-767 1024-1151 1408-1535 1792-1919...
  • Page 34 DPE system without write caching: disk IDs 003-199 DPE system with write caching: disk IDs 009-199 An example of hot spare usage for a deskside DPE storage system follows. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 2-10...

  • Page 35: How A Hot Spare Works

    RAID Types and Tradeoffs spare RAID 5 Group consists of disk modules 0-4; RAID 1 mirrored pair is modules 5 and 6; hot spare is module 9. Disk module 3 fails. RAID 5 Group becomes modules 0, 1, 2, 9, and 4; now no hot spare is available.

  • Page 36: Raid Benefits And Tradeoffs

    The following table compares the read and write performance, tolerance for disk failure, and relative cost per megabyte (Mbyte) of the RAID types. Figures shown are theoretical maximums. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 2-12...

  • Page 37: Performance

    RAID Types and Tradeoffs Table 2-1 Performance, Availability, and Cost of RAID Types (Individual Unit = 1.0) Relative read Relative write Relative performance performance cost per Disk configuration without cache without cache Mbyte RAID 5 Group with Up to 5 with five disks Up to 1.25 with five disks 1.25 fivedisks...

  • Page 38: Storage Flexibility

    RAID Group: RAID 5, RAID 3, RAID 1 mirrored pair, or RAID 1/0. If data availability is not critical, or disk space usage is critical, bind an individual unit. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 2-14...
  • Page 39 RAID Types and Tradeoffs A RAID 1 mirrored pair or RAID 1/0 Group provides very high data availability. They are more expensive than RAID 5 or RAID 3 Groups, since only 50 percent of the total disk capacity is available for user data, as shown on page 2-13.

  • Page 40: Raid 5 Group

    Mbyte of disk space. An individual unit, like a RAID 0 Group, provides no high-availability features. All its disk space is available for user data, as shown in the figure above. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 2-16...

  • Page 41: Guidelines For Raid Groups

    RAID Types and Tradeoffs Guidelines for RAID Groups To decide when to use a RAID 5 Group, RAID 3 Group, mirror (that is, a RAID 1 mirrored pair or RAID 1/0 Group, a RAID 0 Group, individual disk unit, or hot spare), you need to weigh these factors: •...
  • Page 42 • Minimizing the degraded performance caused by disk failure in a RAID 5 or RAID 3 Group is important. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 2-18...

  • Page 43: Sample Applications For Raid Types

    RAID Types and Tradeoffs Sample Applications for RAID Types This section describes some types of applications in which you would want to use a RAID 5 Group, RAID 3 Group, RAID 1 mirrored pair, RAID 0 Group (nonredundant array), RAID 1/0 Group, or individual unit.
  • Page 44 This chapter explained RAID Group types and tradeoffs. To plan LUNs and file systems, skip to Chapter 5. For details on the storage-system hardware, skip to Chapter 6. For storage-system management utilities, skip to Chapter 7. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 2-20...
  • Page 45 Remote Mirroring Software This chapter introduces EMC MirrorView software — mirroring software that works on FC4700 Fibre Channel disk-array storage systems to create a byte-for-byte copy of one or more local LUNs connected to a distant computer system. Topics are •...

  • Page 46: What Is Emc Mirrorview Software

    Both storage systems are managed by the same management station, which can promote the secondary image if the primary becomes inaccessible. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 47: Sites With Mirrorview Primary And Secondary Images

    GigaBit Interface Converters (GBICs) at each SP. If the connections include extender boxes, then the distance between storage systems can be up to the maximum supported by the extender — generally 40-60 kilometers. Without extender boxes, the maximum distance is 500 meters. What Is EMC MirrorView Software?

  • Page 48: Mirrorview Features And Benefits

    The primary or secondary role applies to just one remote mirror. A storage system can maintain a primary image with one mirror and a secondary image with another mirror. This allows the use of server EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 49: Integration With Emc Snapview Lun Copy Software

    Integration with EMC SnapView LUN Copy Software EMC SnapView software allows users to create a snapshot copy of an active LUN at any point in time. The snapshot copy is a consistent image that can serve for backup while I/O continues to the original LUN.

  • Page 50: Secondary Image Failure

    Later, the secondary can be fixed and the minimum number of required images can be changed. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 51: Mirrorview Example

    About MirrorView Remote Mirroring Software MirrorView Example Accounts Database Highly available cluster Database Server Server 2 File Server Mail Server Server 1 Operating Operating Operating Operating Operating system A system B system A system B system A Switch fabric Switch fabric Switch fabric Switch fabric Extended Distance Connections...
  • Page 52 (here, Database server 2) with full access to the data. The mirror will be accessible in minutes, although the time needed for applications to recover will vary. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 53: Mirrorview Planning Worksheet

    About MirrorView Remote Mirroring Software MirrorView Planning Worksheet To plan, you must decide whether you want to use a write intent log and, if so, the LUNs you will bind for this. You will also need to complete a MirrorView mirroring worksheet. Note that you must assign each primary image LUN to a Storage Group (as with any normal LUN), but must not assign a secondary image LUN to a Storage Group.
  • Page 54 About MirrorView Remote Mirroring Software EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 3-10...

  • Page 55: Chapter 4 About Snapview Snapshot Copy Software

    Body Tag About SnapView Snapshot Copy Software This chapter introduces EMC SnapView software that creates LUN snapshots to be used for independent data analysis or backup with EMC FC 4700 Fibre Channel disk-array storage systems. Major sections are • What Is EMC SnapView Software? ..........4-2 •...

  • Page 56: What Is Emc Snapview Software

    The following figure shows how a snapshot session works: the production host with the source LUN, the snapshot cache, and second host with access to the snapshot copy. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 57: Snapshot Components

    • A snapshot session makes the snapshot copy accessible to the second host; it starts and stops according to directives you give using Navisphere software on the production host. What Is EMC SnapView Software?

  • Page 58: Sample Snapshot Session

    Cache Snapshot Key: Unchanged chunks on source LUN Changed chunks on source LUN Unchanged chunks in cache and snapshot EMC1823 How a Snapshot Session Starts, Runs, and Stops Figure 4-2 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 59: Snapshot Planning Worksheet

    About SnapView Snapshot Copy Software Snapshot Planning Worksheet The following information is needed for system setup to let you bind one or more LUNs for the snapshot cache. Snapshot Cache Setup Information (For Binding) Snapshot RAID type for RAID Group ID LUN size (Mbytes, Cache LUN ID source LUN...
  • Page 60 This chapter explained the SnapView snapshot copy software. To plan LUNs and file systems, continue to the next chapter. For details on the storage-system hardware, skip to Chapter 6. For storage-system management utilities, skip to Chapter 7. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 61 Invisible Body Tag Planning File Systems and LUNs This chapter shows a sample RAID, LUN, and Storage Group installation with sample shared switched and unshared direct storage, and then provides worksheets for planning your own storage installation. Topics are • Multiple Paths to LUNs ..............5-2 •...

  • Page 62: Multiple Paths To Luns

    And with two adapters and two SPs (switched or unshared), ATF can send I/O to each available paths in round-robin sequence (multipath I/O) for dynamic load sharing and greater throughput. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 63: Sample Shared Switched Installation

    Disk IDs have the form b e d, where b is the FC4700 back-end bus number (0, which can be omitted, or 1), e is the enclosure number, set on the enclosure front panel (always 0 for the DPE), and d is the disk position in the enclosure (left is 0, right is 9).

  • Page 64: Sample Shared Switched Storage Configuration

    Dbase2 Server Path 1 Storage DS R5 DS R1 DS R1 Path 2 Group (6 disks) Log D1 Log D2 000-009 Dbase1 EMC1824 Sample Shared Switched Storage Configuration Figure 5-1 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 65 Planning File Systems and LUNs The storage-system disk IDs and Storage Group LUNs are as follows. Clustered System LUNs Database Server LUNs (DS) - SP A File Server LUNs (FS) - SP B Mail Server LUNs (MS) - SP A Disk IDs RAID type, storage type Disk IDs RAID type, storage type Disk IDs RAID type, storage type...
  • Page 66 144 Gbytes of storage; for the mail delivered via ISPA. ISP mail Unit P on five disks bound as a RAID 5 Group for MS R5 144 Gbytes of storage; for the mail delivered via ISP B. ISP mail EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 67: Sample Unshared Direct Installation

    To repeat from the previous section: disk IDs have the form b e d, where b is the FC4700 back-end bus number (0, which can be omitted, or 1), e is the enclosure number, set on the enclosure front panel (always 0 for the DPE), and d is the disk position in the enclosure (left is 0, right is 9).

  • Page 68: Planning Applications, Luns, And Storage Groups

    (if any), RAID type, LUN ID (ascending integers, starting with 0), disk space required, and finally the name of the servers and operating systems that will use the LUN. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 69: Application And Lun Planning Worksheet

    Planning File Systems and LUNs Application and LUN Planning Worksheet Disk space File system, RAID type of required Server hostname and Application partition, or drive ID (hex) (Gbytes) operating system A sample worksheet begins as follows: Disk space File system, RAID type of required Server hostname and...

  • Page 70: Lun And Storage Group Planning Worksheet

    DAE enclosures for a total of 100 disks. A storage system can include up to 100 disks. Unshared storage systems do not use Storage Groups. For unshared storage, skip the Storage Group entry. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 5-10...
  • Page 71 Planning File Systems and LUNs LUN and Storage Group Planning Worksheet Bus 1 enclosures Bus 0 enclosures Navisphere Manager displays disk IDs as n-n-n CLI recognizes disk IDs as n_n_n Storage-system number or name:_______________ Storage Group ID or name:______ Server hostname:_________________ Dedicated Shared LUN ID or name_______RAID type ___ Cap.
  • Page 72 Next, complete as many of the Storage System sections as needed for all the Storage Groups in the SAN (or as needed for all the LUNs with unshared storage). Copy the (blank) worksheet as needed. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 5-12...
  • Page 73 Planning File Systems and LUNs For shared storage, if a Storage Group will be dedicated (not accessible by another server in a cluster), mark the Dedicated box at the end of its line; if the Storage Group will be accessible to one or more other servers in a cluster, write the hostnames of all servers and mark the Shared box.

  • Page 74: Lun Details Worksheet

    Individual disk Hot spare Caching: Read and write Write Read None Servers that can access this LUN’s Storage Group: Operating system information: Device name: File system, partition, or drive: EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 5-14...
  • Page 75 Planning File Systems and LUNs LUN Details Worksheet Storage system (complete this section once for each storage system) Storage-system number or name:__SS1____ Storage-system installation type Unshared Direct Shared-or-Clustered Direct Shared Switched SP information: SP A: IP address or hostname:__SS1spa_Port ALPA ID:__0_ Memory(Mbytes):_256__ SP B: IP address or hostname:__SS1spb_Port ALPA ID:_1___ Memory(Mbytes):_256__ Caching Read cache size:_80_ MBWrite cache size:_160_ MB Cache page size (Kbytes):_2_...
  • Page 76 Cache page size. This applies to both read and write caches. It can be 2, 4, 8, or 16 Kbytes. As a general guideline, we suggest 8 Kbytes. The ideal cache page size depends on the operating system and application. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 5-16...
  • Page 77 SPs; to do so, leave this entry blank. SP bus (0 or 1). Each FC4700 SP has two back-end buses, 0 and 1. Ideally, you will place the same amount of load on each bus. This may mean placing two or three heavily-used LUNs on one bus, and six or eight lightly used LUNs on the other bus.
  • Page 78 The ability to specify caching on a LUN basis provides additional flexibility, since you can use caching for only the units that will benefit from it. Read and write caching recommendations follow. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 5-18...
  • Page 79 Planning File Systems and LUNs Table 5-1 Cache Recommendations for Different RAID Types RAID 5 RAID 3 RAID 1 RAID 1/0 RAID 0 Individual Unit Highly Not allowed Recommended Recommended Recommended Recommended Recommended Servers that can access this LUN’s Storage Group. For shared switched storage or shared-or-clustered direct storage, enter the name of each server (copied from the LUN and Storage Group worksheet).
  • Page 80 Planning File Systems and LUNs EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 5-20...

  • Page 81: Storage-System Hardware

    Invisible Body Tag Storage-System Hardware This chapter describes the storage-system hardware components. Topics are • Hardware for FC4700 Storage Systems...........6-3 • Planning Your Hardware Components ..........6-8 • Hardware Data Sheets...............6-9 • Cabinets for Rackmount Enclosures ..........6-12 • Cable and Configuration Guidelines ..........6-13 •...

  • Page 82: Types Of Storage-System Installation

    Shared switched, which has two switch fabrics, lets two to 15 servers share the resources of several storage systems in a storage area network (SAN). For FC4700 storage systems, at least one network connection is required. Shared or Clustered Shared Switched (multiple servers,...

  • Page 83: Hardware For Fc4700 Storage Systems

    The primary hardware component for FC4700 storage is a ten-slot disk-array processor enclosure (DPE) with two storage processors (SPs). Each FC4700 SP has two ports (front-end ports for server or switch connection) and two back-end buses that run the disks.

  • Page 84: Disks

    Each module has a unique ID that you use when binding or monitoring its operation. The ID is derived from the enclosure address (always 0 for the DPE, adjustable on a DAE) and the disk module slot numbers. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 85: Storage Processor (Sp)

    An SP consists of a printed-circuit board with memory modules (RIMMs), and status lights. Each FC4700 SP has two front-end ports for server or switch connection, and two back-end buses that run the disks. Hardware for FC4700 Storage Systems...

  • Page 86: Shared Storage Systems

    If the request modifies information that’s in the cache waiting to be written to disk, the storage system updates the information in the cache before writing it; this requires just one disk access instead of two. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 87 Each SP has an Ethernet connection though which the Navisphere Manager software lets you configure and reconfigure the LUNs and Storage Groups in the storage system. Each SP connects to a network; this lets you reconfigure, if needed, should one SP fail. Hardware for FC4700 Storage Systems...

  • Page 88: Planning Your Hardware Components

    The minimum hardware required for unshared direct storage is one server with two host bus adapters and one storage system with two SPs.You can choose more storage systems (up to four are allowed). EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 89: Hardware Data Sheets

    Storage-System Hardware Hardware Data Sheets The hardware data sheets shown in this section provide the plant requirements, including dimensions (footprint), weight, power requirements, and cooling needs, for DPE and rackmount DAE disk systems. Sections on cabinets and cables follow the data sheets. DPE Data Sheet The rackmount DPE is the heart of a storage system.
  • Page 90 J/hr (3900 BTU/hr) max estimated Rackmount DPE: 2736x10 J/hr (2594 BTU/hr) max estimated Air flow Front to back Service clearances Front 30.3 cm (1 ft) Back 60.6 cm (2 ft) EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 6-10...

  • Page 91: Dae Data Sheet

    Storage-System Hardware The rackmount DAE storage-system dimensions and requirements DAE Data Sheet are shown in the following figure. Rackmount DAE Dimensions and Requirements Width Depth 44.5 cm 63 cm (17.5 in.) (24.9 in.) Height 15.4 cm (6.1 in.) 3.5 U EMC1831 Weight (without packaging)

  • Page 92: Cabinets For Rackmount Enclosures

    (9 * 400 VA equals 3600 VA). Cooling 15,700 KJ/hour (14,884 BTU/hr), including the DPE (2,736 KJ/hr), SPS (265 KJ/hour, estimated), and nine DAEs (9*1,411 KJ/hr equals 12,699 KJ/hr). EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 6-12...

  • Page 93: Cable And Configuration Guidelines

    Storage-System Hardware Cable and Configuration Guidelines FC4700-series storage systems require optical cable between servers, switches, and SPs. The cabling between DPE and DAE enclosures (1 m, 3.3 feet) is copper. You can use any existing FDDI, multimode, 62.5-micron cable with good connections to attach servers, switches, and storage systems.

  • Page 94: Cable Planning Template

    Switch 1 Storage system SP B SP A Storage system Path 1 SP B SP A Path 2 EMC1833 Cable Planning Template — FC4700 Shared Storage System Figure 6-6 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 6-14...

  • Page 95: Hardware Component Worksheet

    Storage-System Hardware The cable identifiers apply to all storage systems Hardware Component Worksheet Number of servers:____ Adapters in servers:____ Switches: 16-port:____8-port:____ Rackmount DPEs:_____SP/LCC pairs:_____PSs:_____SPSs:____ Rackmount cabinets:___ Rackmount DAEs:_____ ........LCCs:_____PSs:_____ Cables between server and switch - Cable A Cable A Optical: Number:____ ..............Length________m or ft Cable A Optical: Number:____ ............
  • Page 96 Switch 2 Cable between storage systems Cable between or enclosures switch and storage system Path 1 SP B SP A Path 2 EMC1834 Figure 6-7 Sample Shared Storage Installation EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 6-16...
  • Page 97 Storage-System Hardware Hardware Component Worksheet Servers:__ _ Adapters in servers:__ _ Switches: 16-port:____8-port:__ Rackmount DPEs:__ ___SP/LCC pairs:__ ___PSs:___ __SPSs:__ __ Rackmount cabinets:_ Rackmount DAEs:__ ___......LCCs:___ __PSs:___ Cables between server and switch - Cable A Cable A Optical: Number:__ __ ..............Length____ _m or ft 1628 Cable A...
  • Page 98 Storage-System Hardware EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide 6-18...

  • Page 99: Storage-System Management

    Invisible Body Tag Storage-System Management This chapter explains the applications you can use to manage storage systems from servers. Topics are • Using Navisphere Manager Software ..........7-3 • Storage Management Worksheet .............7-4 Storage-System Management...

  • Page 100: Introducing Navisphere Management Software

    GUI and type commands directly to storage systems. The Agent runs on any of several different platforms, including Windows and popular UNIX platforms; the other products run on Windows platforms only. EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 101: Using Navisphere Manager Software

    Storage-System Management Using Navisphere Manager Software Navisphere Manager software (Manager) lets you manage multiple storage systems connected to servers on a TCP/IP network. Manager offers extensive management features and includes comprehensive on-line help. Manager runs on a management station, which is a Windows NT ® or Windows ®...

  • Page 102: Storage Management Worksheet

    You can copy much of the needed information from the LUN and Storage Group planning worksheet in Chapter 5. The Storage Group feature is provided by EMC Access Logix software. Access Logix is required for all shared installations (shared switched or shared direct), but optional for unshared direct installations.
  • Page 103 Storage-System Management Management Utility Worksheet – Shared Storage with FC4700 Management station hostname:___________________Operating system:_______________ Software: Navisphere Manager/Agent Navisphere Analyzer Navisphere Event Monitor List all the servers this host will manage. Each server whose storage system is a managed server must run Navisphere Agent and ATF software of the same type as its operating system.
  • Page 104 Storage-System Management EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 105 2-2 cache module IDs 5-5 snapshot 4-2 RAID types storage system 6-6 compared 2-12 storage system, size 5-16 guidelines 2-17 cache size 5-16 shared storage systems, examples 5-3 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 106 (mirror) switch, description 1-5 defined 2-2 file system image (remote mirror), defined 3-2 name 5-19 individual access array, see RAID 5 Group planning 5-8 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 107 3-2 failure 3-5 production host (SnapView) 3-2, 4-2 memory, SP promotion of secondary image 3-6, 3-8 specifying on worksheet 5-16 mirrored pair, see RAID 1 mirrored pair EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 108 7-4 system components 6-3 types secondary image defined 1-8 defined 3-2 see also disk-array storage system, in- failure 3-6 stallation types promotion 3-6, 3-8 stripe server disk, defined 2-2 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...
  • Page 109 6-6 unshared direct installation type, sample 5-7 write intent log (remote mirror) 3-5 unshared storage systems application and LUN planning 5-8 components 6-8 zone, switch 1-6 defined 1-8 EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

  • Page 110: Index

    Index EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide...

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