Sun Microsystems Sun StorEdge T3 Configuration Manual
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Sun Microsystems Sun StorEdge T3 Configuration Manual

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Sun StorEdge
T3 and T3+ Array
™
Configuration Guide
Sun Microsystems, Inc.
901 San Antonio Road
Palo Alto, CA 94303-4900 U.S.A.
650-960-1300
Part No. 816-0777-10
August
2001, Revision A
Send comments about this document to: docfeedback@sun.com

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Summary of Contents for Sun Microsystems Sun StorEdge T3

  • Page 1 Sun StorEdge T3 and T3+ Array ™ Configuration Guide Sun Microsystems, Inc. 901 San Antonio Road Palo Alto, CA 94303-4900 U.S.A. 650-960-1300 Part No. 816-0777-10 August 2001, Revision A Send comments about this document to: docfeedback@sun.com...
  • Page 2 Enterprise, Sun StorEdge, Sun Ultra, Sun Fire, Sun Blade, Solstice Backup, Netra, NFS, and Solaris are trademarks, registered trademarks, or service marks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc.

  • Page 3: Table Of Contents

    Contents Preface ix Array Configuration Overview 1 Product Description 1 Controller Card 2 Interconnect Cards 4 Array Configurations 6 Configuration Guidelines and Restrictions 8 Configuration Recommendations 9 Supported Platforms 9 Supported Software 10 Sun Cluster Support 10 Configuring Global Parameters 13 Cache 13 Configuring Cache for Performance and Redundancy 14 Configuring Data Block Size 15...
  • Page 4 Logical Volumes 16 Guidelines for Configuring Logical Volumes 17 Determining How Many Logical Volumes You Need 17 Determining Which RAID Level You Need 18 Determining Whether You Need a Hot Spare 18 Creating and Labeling a Logical Volume 19 Setting the LUN Reconstruction Rate 19 Using RAID Levels to Configure Redundancy 20 RAID 0 21 RAID 1 21...
  • Page 5 Single Host With Two Hubs and Eight Controller Units Configured as Four Partner Groups 36 Dual Hosts With Two Hubs and Four Controller Units 38 Dual Hosts With Two Hubs and Eight Controller Units 40 Dual Hosts With Two Hubs and Four Controller Units Configured as Two Partner Groups 42 Dual Hosts With Two Hubs and Eight Controller Units Configured as Four Partner Groups 44...
  • Page 6 Administration Path 60 Connecting Partner Groups 60 Workgroup Configurations 62 Enterprise Configurations 63 Glossary 65 Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001...
  • Page 7 Figures Sun StorEdge T3 Array Controller Card and Ports 3 FIGURE 1-1 Sun StorEdge T3+ Array Controller Card and Ports 4 FIGURE 1-2 Interconnect Card and Ports 5 FIGURE 1-3 Workgroup Configuration 6 FIGURE 1-4 Enterprise Configuration 7 FIGURE 1-5 Sun StorEdge T3 Array Partner Group 24 FIGURE 3-1 Single Host Connected to One Controller Unit 28...
  • Page 8 Sun Enterprise 6x00/5x00/4x00/3x00 SBus+ I/O Board 52 FIGURE 5-1 Sun StorEdge PCI FC-100 Host Bus Adapter 53 FIGURE 5-2 Sun StorEdge SBus FC-100 Host Bus Adapter 54 FIGURE 5-3 Sun StorEdge PCI Single Fibre Channel Network Adapter 55 FIGURE 5-4 Sun StorEdge PCI Dual Fibre Channel Network Adapter 56 FIGURE 5-5 Sun StorEdge CompactPCI Dual Fibre Channel Network Adapter 57...

  • Page 9: Preface

    Preface The Sun StorEdge T3 and T3+ Array Configuration Guide describes the recommended configurations for Sun StorEdge T3 and T3+ arrays for high availability, maximum performance, and maximum storage capability. This guide is intended for Sun™ field sales and technical support personnel. Before You Read This Book Read the Sun StorEdge T3 and T3+ Array Installation, Operation, and Service Manual for product overview information.

  • Page 10: Typographic Conventions

    Using UNIX Commands ® This document contains some information on basic UNIX commands and procedures such as booting the devices. For further information, see one or more of the following: AnswerBook2™ online documentation for the Solaris™ software environment Other software documentation that you received with your system Typographic Conventions Typeface Meaning...

  • Page 11: Related Documentation

    Shell Prompts Shell Prompt C shell machine_name% C shell superuser machine_name# Bourne shell and Korn shell Bourne shell and Korn shell superuser Sun StorEdge T3 and T3+ array Related Documentation Application Title Part Number Latest array updates Sun StorEdge T3 and T3+ Array Release 816-1983 Notes Installation overview...
  • Page 12 Application Title Part Number Sun StorEdge Component Sun StorEdge Component Manager 806-6645 Manager installation Installation Guide - Solaris Sun StorEdge Component Manager 806-6646 Installation Guide - Windows NT Using Sun StorEdge Sun StorEdge Component Manager User’s 806-6647 Component Manager Guide software Latest Sun StorEdge Sun StorEdge Component Manager Release...

  • Page 13: Array Configuration Overview

    C H A P T E R Array Configuration Overview This chapter describes the Sun StorEdge T3 and T3+ arrays, the connection ports, and Fibre Channel connections. It also describes basic rules and recommendations for configuring the array, and it lists supported hardware and software platforms. Note –...

  • Page 14: Controller Card

    The array can be used either as a standalone storage unit or as a building block, interconnected with other arrays of the same type and configured in various ways to provide a storage solution optimized to the host application. The array can be placed on a table top or rackmounted in a server cabinet or expansion cabinet.

  • Page 15: Figure 1-1 Sun Storedge T3 Array Controller Card And Ports

    Serial port (RJ-11) 10BASE-T Ethernet port (RJ-45) FC-AL data connection port Note: FC-AL port requires an MIA for cable connection. Sun StorEdge T3 Array Controller Card and Ports FIGURE 1-1 The Sun StorEdge T3+ array controller card contains: One Fibre Channel-Arbitrated Loop (FC-AL) port using an LC small-form factor (SFF) connector.

  • Page 16: Interconnect Cards

    Serial port (RJ-45) 10/100BASE-T Ethernet port (RJ-45) FC-AL data connection port (LC-SFF) Sun StorEdge T3+ Array Controller Card and Ports FIGURE 1-2 Interconnect Cards The interconnect cards are alike on both array models. There are two interconnect ports on each card: one input and one output for interconnecting multiple arrays. The interconnect card provides switch and failover capabilities, as well as an environmental monitor for the array.

  • Page 17: Figure 1-3 Interconnect Card And Ports

    Interconnect cards Output Input Interconnect Card and Ports FIGURE 1-3 Chapter 1 Array Configuration Overview...

  • Page 18: Array Configurations

    Array Configurations Each array uses Fibre Channel-Arbitrated Loop (FC-AL) connections to connect to the application host. An FC-AL connection is a 100-Mbyte/second serial channel that enables multiple devices, such as disk drives and controllers, to be connected. Two array configurations are supported: Workgroup.

  • Page 19: Enterprise Configuration

    Alternate master controller unit Application host Ethernet connection Interconnect cables Host-bus adapters Master controller unit FC-AL connection Management host Ethernet connection Ethernet port Enterprise Configuration FIGURE 1-5 Note – Sun StorEdge T3 array workgroup and enterprise configurations require a media-interface adapter (MIA) connected to the Fibre Channel port to connect the fiber-optic cable.

  • Page 20: Configuration Guidelines And Restrictions

    Configuration Guidelines and Restrictions Workgroup Configurations: The media access control (MAC) address is required to assign an IP address to the controller unit. The MAC address uniquely identifies each node of a network. The MAC address is available on the pull-out tab on the front left side of the array. A host-based mirroring solution is necessary to protect data in cache.

  • Page 21: Configuration Recommendations

    Configuration Recommendations Use enterprise configurations for controller redundancy. Use host-based software such as VERITAS Volume Manager (VxVM), Sun Enterprise™ Server Alternate Pathing (AP) software, or Sun StorEdge Traffic Manager for multipathing support. Connect redundant paths to separate host adapters, I/O cards, and system buses. Configure active paths over separate system buses to maximize bandwidth.

  • Page 22: Supported Software

    Supported Software The following software is supported on Sun StorEdge T3 and T3+ arrays: Solaris 2.6, Solaris 7, and Solaris 8 operating environments VERITAS Volume Manager 3.04 and later with DMP Sun Enterprise Server Alternate Pathing (AP) 2.3.1 Sun StorEdge Component Manager 2.1 and later StorTools™...
  • Page 23 Switches are not supported. Hubs must be used. The Sun StorEdge SBus FC-100 (SOC+) HBA and the onboard SOC+ interface in Sun Fire™ systems are supported. On Sun Enterprise 6x00/5x00/4x00/3x00 systems, a maximum of 64 arrays are supported per cluster. On Sun Enterprise 10000 systems, a maximum of 256 arrays are supported per cluster.
  • Page 24 Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001...

  • Page 25: Configuring Global Parameters

    C H A P T E R Configuring Global Parameters When an array is shipped, the global parameters are set to default values. This chapter describes how to reconfigure your array by changing these default values. Caution – If you are planning an enterprise configuration using new factory units, be sure to install and set up the units as a partner group before you power on, and change any parameters or create/change any logical volumes.

  • Page 26: Configuring Cache For Performance And Redundancy

    Configuring Cache for Performance and Redundancy Cache mode can be set to the following values: Auto. The cache mode is determined as either write-behind or write-through, based on the I/O profile. If the array has full redundancy available, then caching operates in write-behind mode.

  • Page 27: Configuring Data Block Size

    Configuring Data Block Size The data block size is the amount of data written to each drive when striping data across drives. (The block size is also known as the stripe unit size.) The block size can be changed only when there are no volumes defined. The block size can be configured as 16 Kbytes, 32 Kbytes, or 64 Kbytes.

  • Page 28: Enabling Mirrored Cache

    Note – The data block size must be configured before any logical volumes are created on the units. Remember, this block size is used for every logical volume created on the unit. Therefore it is important to have similar application data configured per unit.

  • Page 29: Guidelines For Configuring Logical Volumes

    Note – Individual physical disk drives are not visible from the application host. Refer to the Sun StorEdge T3 and T3+ Array Administrator’s Guide for more information on creating logical volumes. Guidelines for Configuring Logical Volumes Use the following guidelines when configuring logical volumes: The array’s native volume management can support a maximum of two volumes per array unit.

  • Page 30: Determining Which Raid Level You Need

    Data-intensive NFS, version 3 Note – If you are creating new volumes or changing the volume configuration, you must first manually rewrite the label of the previous volume using the autoconfigure option of the (1M) UNIX host command. For more information on this format procedure, refer to the Sun StorEdge T3 and T3+ Array Administrator’s Guide.

  • Page 31: Creating And Labeling A Logical Volume

    Note – Only one hot spare is allowed per array and it is only usable for the array in which it is configured. The hot spare must be configured as drive 9. Drive 9 will be the hot spare in the unit. So, for example, should a drive failure occur on drive 7, drive 9 is synchronized automatically with the entire LUN to reflect the data on drive 7.

  • Page 32: Using Raid Levels To Configure Redundancy

    If the volume has a hot spare configured and that drive is available, the data on the disabled drive is reconstructed on the hot-spare drive. When this operation is complete, the volume is operating with full redundancy protection, so another drive in the volume may fail without loss of data.

  • Page 33: Raid 0

    Second, you can use third-party software on the host system to create as many partitions as desired from a given volume. In the Solaris environment, you can use VERITAS Volume Manager or Solaris Logical Volume Management (SLVM) formerly known as Solstice DiskSuite (SDS) for this purpose. Note –...

  • Page 34: Configuring Raid Levels

    Configuring RAID Levels The Sun StorEdge T3 and T3+ arrays are preconfigured at the factory with a single LUN, RAID level 5 redundancy and no hot spare. Once a volume has been configured, you cannot reconfigure it to change its size, RAID level, or hot spare configuration.

  • Page 35: Configuring Partner Groups

    C H A P T E R Configuring Partner Groups Sun StorEdge T3 and T3+ arrays can be interconnected in partner groups to form a redundant and larger storage system. Note – The terms partner group and enterprise configuration refer to the same type of configuration and are used interchangeably in this document.

  • Page 36: Figure 3-1 Sun Storedge T3 Array Partner Group

    Ethernet Alternate connection master controller unit Application host Interconnect cables Host-bus adapters Master controller unit FC-AL connection Management host Ethernet connection Ethernet port Sun StorEdge T3 Array Partner Group FIGURE 3-1 Note – Sun StorEdge T3 arrays require a media-interface adapter (MIA) connected to the Fibre Channel port on the controller card to connect the fiber-optic cable.

  • Page 37: How Partner Groups Work

    Any controller unit will boot from the master controller unit’s drives. All configuration data, including syslog information, is located on the master controller unit’s drives. How Partner Groups Work If the master controller unit fails and the “heartbeat” between it and the alternate master stops, this failure causes a controller failover, where the alternate master assumes the role of the master controller unit.

  • Page 38: Creating Partner Groups

    Creating Partner Groups Partner groups can be created in two ways: From new units From existing standalone units Instructions for installing new array units and connecting them to create partner groups can be found in the Sun StorEdge T3 and T3+ Array Installation, Operation, and Service Manual.

  • Page 39: Configuration Examples

    C H A P T E R Configuration Examples This chapter includes sample reference configurations for Sun StorEdge T3 and T3+ arrays. Although there are many supported configurations, these reference configurations provide the best solution for many installations.: “Direct Host Connection” on page 27 “Hub Host Connection”...

  • Page 40: Single Host With One Controller Unit

    Single Host With One Controller Unit shows one application host connected through an FC-AL cable to one FIGURE 4-1 array controller unit. The Ethernet cable connects the controller to a management host via a LAN on a public or separate network, and requires an IP address. Note –...

  • Page 41: Single Host With Two Controller Units Configured As A Partner Group

    Single Host With Two Controller Units Configured as a Partner Group shows one application host connected through FC-AL cables to one array FIGURE 4-2 partner group, which consists of two Sun StorEdge T3+ arrays. The Ethernet connection from the master controller unit is on a public or separate network and requires an IP address for the partner group.

  • Page 42: Host Multipathing Management Software

    Host Multipathing Management Software While Sun StorEdge T3 and T3+ arrays are redundant devices that automatically reconfigure whenever a failure occurs on any internal component, a host-based solution is needed for a redundant data path. Supported multipathing solutions include: The DMP feature in VERITAS Volume Manager Sun Enterprise Server Alternate Pathing software Sun StorEdge Traffic Manager software During normal operation, I/O moves on the host channel connected to the controller...

  • Page 43: Single Host With Four Controller Units Configured As Two Partner Groups

    Single Host With Four Controller Units Configured as Two Partner Groups shows one application host connected through FC-AL cables to four FIGURE 4-4 arrays configured as two separate partner groups. This configuration can be used for capacity and I/O throughput requirements. Host-based Alternate Pathing software is required for this configuration.

  • Page 44: Single Host With Eight Controller Units Configured As Four Partner Groups

    Single Host With Eight Controller Units Configured as Four Partner Groups shows one application host connected through FC-AL cables to eight Sun FIGURE 4-5 StorEdge T3+ arrays, forming four partner groups. This configuration is the maximum allowed in a 72-inch cabinet. This configuration can be used for footprint and I/O throughput.

  • Page 45: Figure 4-5 Single Host With Eight Controller Units Configured As Four Partner Groups

    Alternate master Ethernet controller unit Application host Interconnect FC-AL cables Master controller unit FC-AL Ethernet port Management host Single Host With Eight Controller Units Configured as Four Partner Groups FIGURE 4-5 Chapter 4 Configuration Examples...

  • Page 46: Hub Host Connection

    Hub Host Connection The following sample configurations are included in this section: “Single Host With Two Hubs and Four Controller Units Configured as Two Partner Groups” on page 34 “Single Host With Two Hubs and Eight Controller Units Configured as Four Partner Groups”...

  • Page 47: Figure 4-6 Single Host With Two Hubs And Four Controller Units Configured As Two Partner Groups

    The following three parameters must be set on the master controller unit, as follows: mp_support = rw or mpxio cache mode = auto cache mirroring = auto Note – For information on setting these parameters, refer to the Sun StorEdge T3 and T3+ Array Administrator’s Guide Host-based multipathing software is required for this configuration.

  • Page 48: Single Host With Two Hubs And Eight Controller Units Configured As Four Partner Groups

    Single Host With Two Hubs and Eight Controller Units Configured as Four Partner Groups shows one application host connected through FC-AL cables to two hubs FIGURE 4-7 and to eight Sun StorEdge T3+ arrays, forming four partner groups. This configuration is the maximum allowed in a 72-inch cabinet. This configuration can be used for footprint and I/O throughput.

  • Page 49: Groups

    Application host Alternate master Ethernet controller unit FC-AL Interconnect cables Master FC-AL controller unit Ethernet port Management host Single Host With Two Hubs Configured and Eight Controller Units as Four FIGURE 4-7 Partner Groups Chapter 4 Configuration Examples...

  • Page 50: Dual Hosts With Two Hubs And Four Controller Units

    Dual Hosts With Two Hubs and Four Controller Units shows two application hosts connected through FC-AL cables to two hubs FIGURE 4-8 and four Sun StorEdge T3+ arrays. This configuration, also known as a multi-initiator configuration, can be used for footprint and I/O throughput. The following limitations should be evaluated when proceeding with this configuration: Avoid the risk caused by any array or data path single point of failure using host- based mirroring software such as VERITAS Volume Manager or Solaris Volume...

  • Page 51: Figure 4-8 Dual Hosts With Two Hubs And Four Controller Units

    Application host 1 Application host 2 Controller unit FC-AL Ethernet Ethernet port Management host Dual Hosts With Two Hubs and Four Controller Units FIGURE 4-8 Chapter 4 Configuration Examples...

  • Page 52: Dual Hosts With Two Hubs And Eight Controller Units

    Dual Hosts With Two Hubs and Eight Controller Units shows two application hosts connected through FC-AL cables to two hubs FIGURE 4-9 and eight Sun StorEdge T3+ arrays. This configuration, also known as a multi- initiator configuration, can be used for footprint and I/O throughput. The following limitations should be evaluated when proceeding with this configuration Avoid the risk caused by any array or data path single point of failure using host- based mirroring software such as VERITAS Volume Manager or Solaris Volume...

  • Page 53: Figure 4-9 Dual Hosts With Two Hubs And Eight Controller Units

    Application host 1 Application host 2 Controller unit Ethernet FC-AL Ethernet port Management Host Dual Hosts With Two Hubs and Eight Controller Units FIGURE 4-9 Chapter 4 Configuration Examples...

  • Page 54: Dual Hosts With Two Hubs And Four Controller Units Configured As Two Partner Groups

    Dual Hosts With Two Hubs and Four Controller Units Configured as Two Partner Groups shows two application hosts connected through FC-AL cables to two hubs FIGURE 4-8 and four Sun StorEdge T3+ arrays forming two partner groups. This multi-initiator configuration can be used for footprint and I/O throughput. Note –...

  • Page 55: Figure 4-10 Dual Hosts With Two Hubs And Four Controller Units Configured As Two Partner Groups

    Application host 1 Application host 2 Alternate master controller unit FC-AL Interconnect cables Ethernet Master controller unit FC-AL Ethernet port Management host Dual Hosts With Two Hubs and Four Controller Units Configured as Two FIGURE 4-10 Partner Groups Chapter 4 Configuration Examples...

  • Page 56: Dual Hosts With Two Hubs And Eight Controller Units Configured As Four Partner Groups

    Dual Hosts With Two Hubs and Eight Controller Units Configured as Four Partner Groups shows two application hosts connected through FC-AL cables to two hubs FIGURE 4-9 and eight Sun StorEdge T3+ arrays forming four partner groups. This multi-initiator configuration can be used for footprint and I/O throughput. This configuration is a recommended enterprise configuration for RAS functionality because the controller is not a single point of failure.

  • Page 57: Figure 4-11 Dual Hosts With Two Hubs And Eight Controller Units Configured As Four Partner

    Application host 1 Application host 2 Alternate master controller unit FC-AL Interconnect cables Ethernet Master controller FC-AL unit Management host Ethernet port Dual Hosts With Two Hubs and Eight Controller Units Configured as Four FIGURE 4-11 Partner Groups Chapter 4 Configuration Examples...

  • Page 58: Switch Host Connection

    Switch Host Connection This section contains the following example configurations: “Dual Hosts With Two Switches and Two Controller Units” on page 46 “Dual Hosts With Two Switches and Eight Controller Units” on page 48 Dual Hosts With Two Switches and Two Controller Units shows two application hosts connected through FC-AL cables to two FIGURE 4-12...

  • Page 59: Figure 4-12 Dual Hosts With Two Switches And Two Controller Units

    Switch Application host A Switch Application host B Controller unit Ethernet FC-AL Ethernet port Management Host Dual Hosts With Two Switches and Two Controller Units FIGURE 4-12 Chapter 4 Configuration Examples...

  • Page 60: Dual Hosts With Two Switches And Eight Controller Units

    Dual Hosts With Two Switches and Eight Controller Units shows two application hosts connected through FC-AL cables to two FIGURE 4-13 switches and eight Sun StorEdge T3+ arrays. This multi-initiator configuration, can be used for footprint and I/O throughput. Note – This configuration is not a recommended for RAS functionality because the controller is a single point of failure.
  • Page 61 Switch Application host 1 Switch Application host 2 Controller unit Ethernet FC-AL Management host Ethernet port Dual Hosts With Two Switches and Eight Controller Units FIGURE 4-13 Chapter 4 Configuration Examples...
  • Page 62 Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001...

  • Page 63: Host Connections

    C H A P T E R Host Connections This chapter describes the host bus adapters (HBAs) that are supported by Sun StorEdge T3 and T3+ arrays: “Sun Enterprise SBus+ and Graphics+ I/O Boards” on page 52 “Sun StorEdge PCI FC-100 Host Bus Adapter” on page 53 “Sun StorEdge SBus FC-100 Host Bus Adapter”...

  • Page 64: Sun Enterprise Sbus+ And Graphics+ I/O Boards

    Sun Enterprise SBus+ and Graphics+ I/O Boards The SBus+ and Graphics+ I/O boards each provide mounting for two Gigabit Interface Converters (GBICs). For more detailed information about these I/O boards, refer to the Sun Enterprise 6x00/5x00/4x00/3x00 Systems SBus+ and Graphics+ I/O Boards Installation Guide, part number 805-2704.

  • Page 65: Sun Storedge Pci Fc-100 Host Bus Adapter

    Sun StorEdge PCI FC-100 Host Bus Adapter The Sun StorEdge PCI FC-100 host bus adapter is a 33-MHz, 100 Mbytes/second, single-loop Fibre Channel PCI host bus adapter with an onboard GBIC. This host bus adapter is PCI Version 2.1-compliant. For more detailed information about this product, refer to the Sun StorEdge PCI FC-100 Host Adapter Installation Manual, part number 805-3682.

  • Page 66: Sun Storedge Sbus Fc-100 Host Bus Adapter

    Sun StorEdge SBus FC-100 Host Bus Adapter The Sun StorEdge SBus FC-100 host bus adapter is a single-width Fibre Channel SBus card with a Sun Serial Optical Channel (SOC+) ASIC (application-specific integrated circuit). You can connect up to two loops to each card, using hot- pluggable GBICs.

  • Page 67: Sun Storedge Pci Single Fibre Channel Network Adapter

    Sun StorEdge PCI Single Fibre Channel Network Adapter The Sun StorEdge PCI Single Fibre Channel network adapter is a Fibre Channel PCI card with one onboard optical receiver. This network adapter is PCI Version 2.1-compliant. For more detailed information about this product, refer to the Sun StorEdge PCI Single Fibre Channel Network Adapter Installation Guide, part number 806-7532-xx.

  • Page 68: Sun Storedge Pci Dual Fibre Channel Network Adapter

    Sun StorEdge PCI Dual Fibre Channel Network Adapter The Sun StorEdge PCI Dual Fibre Channel network adapter is a Fibre Channel PCI card with two onboard optical transceivers. This network adapter is PCI Version 2.1-compliant. For more detailed information about this product, refer to the Sun StorEdge PCI Dual Fibre Channel Network Adapter Installation Guide, part number 806-4199-xx.

  • Page 69: Sun Storedge Compactpci Dual Fibre Channel Network Adapter

    Sun StorEdge CompactPCI Dual Fibre Channel Network Adapter The Sun StorEdge CompactPCI Dual Fibre Channel network adapter has two 1-Gbit Fibre Channel ports on a cPCI card. For more detailed information about this product, refer to the Sun StorEdge CompactPCI Dual Fibre Channel Network Adapter Installation Guide, part number 816-0241-xx.
  • Page 70 Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001...

  • Page 71: Array Cabling

    C H A P T E R Array Cabling This chapter describes the array configurations supported by the Sun StorEdge T3 and T3+ arrays, and it includes the following sections: “Overview of Array Cabling” on page 59 “Workgroup Configurations” on page 62 “Enterprise Configurations”...

  • Page 72: Administration Path

    Switch connection where the FC-AL from the array is connected to a switch on the same network as the data host. Administration Path For the administration path, each controller unit has an Ethernet connector. For each installed controller, an Ethernet connection and IP address are required. The administration server uses this link to set up and manage the arrays using Sun StorEdge Component Manager software.

  • Page 73: Figure 6-1 Sun Storedge T3 Array Controller Card And Interconnect Cards

    Controller card Serial port (RJ-11) 10BASE-T Ethernet port (RJ-45) Interconnect FC-AL data connection port cards Note: FC-AL port requires an MIA for cable connection. Sun StorEdge T3 Array Controller Card and Interconnect Cards FIGURE 6-1 Controller card Serial port (RJ-45) 10/100BASE-T Ethernet port (RJ-45) Interconnect cards...

  • Page 74: Figure 6-3 Array Workgroup Configuration

    Workgroup Configurations The following configuration rules apply to array workgroup configurations FIGURE 6-3 The interconnect ports, which are used only in partner group configurations, cannot be used for host connections. The FC-AL connection provides a data path to the application host. The Ethernet connection provides a link to the management host.

  • Page 75: Figure 6-4 Enterprise Configuration

    Enterprise Configurations The following rules configuration rules apply to enterprise (partner group) configurations ( FIGURE 6-4 The interconnect ports, which are used only in enterprise configurations, cannot be used for host connections. The FC-AL connection provides a data path to the application host. The Ethernet connection provides a link to the management host.
  • Page 76 Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001...

  • Page 77: Glossary

    Glossary administrative domain Partner groups (interconnected controller units) that share common administration through a master controller. alternate master controller unit Also called “alternate master unit,” the secondary array unit in a partner group that provides failover capability from the master controller unit. Alternate Pathing (AP) A mechanism that reroutes data to the other array controller in a partner group...
  • Page 78 command-line interface (CLI) The interface between the Sun StorEdge T3 and T3+ array’s pSOS operating system and the user in which the user types commands to administer the array. controller unit A Sun StorEdge T3 and T3+ array that includes a controller card. It can be use as a standalone unit or configured with other Sun StorEdge T3 and T3+ arrays.
  • Page 79 Fibre Channel Arbitrated Loop (FC-AL) A 100 Mbyte/s serial channel that enables connection of multiple devices (disk drives and controllers). field-replaceable unit (FRU) A component that is easily removed and replaced by a field service engineer or a system administrator. FLASH memory device (FMD) A device on the controller card that stores EPROM firmware.
  • Page 80 input/output operations per second (IOPS) A performance measurement of the transaction rate. interconnect cable An FC-AL cable with a unique switched-loop architecture that is used to interconnect multiple Sun StorEdge T3 and T3+ arrays. interconnect card An array component that contains the interface circuitry and two connectors for interconnecting multiple Sun StorEdge T3 and T3+ arrays.
  • Page 81 multi-initiator A supported array configuration that connects two hosts to one or more array configuration administrative domains through hub or switch connections. parity Additional information stored with data on a disk that enables the controller to rebuild data after a drive failure. partner group A pair of interconnected controller units.
  • Page 82 reverse address resolution protocol (RARP) A utility in the Solaris operating environment that enables automatic assignment of the array IP address from the host. An industry standard name used to describe a connector standard. Simple Network Management Protocol (SNMP) A network management protocol designed to give a user the capability to remotely manage a computer network.
  • Page 83 workgroup configuration A standalone array connected to a host system. world wide name (WWN) A number used to identify array volumes in both the array system and Solaris environment. write caching Data used to build up stripes of data, eliminating the read-modify-write overhead.
  • Page 84 Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001...
  • Page 85 Index hub host dual hosts with eight controllers, 40 to 41, 44 administration path, 60 to 45 alternate master controller unit dual hosts with four controllers, 38 to 39, 42 to in a partner group, 7 Alternate Pathing (AP) single host with eight controllers, 36 to 37 in configuration recommendations, 9 single host with four controllers, 34 to 35 in partner group configuration, 30...
  • Page 86 enterprise configuration logical unit (LUN) configuration rules, 63 See LUNs description, 6 LUNs See partner group and applications, 17 Ethernet creating and labeling, 19 administration path, 60 default value, 22 connection, 2, 3 definition, 16 determining how many are needed, 17 expansion units, 2 guidelines for configuring, 17 reconstruction rate, setting, 19...
  • Page 87 sharing parameter settings, 9 using AP, 30 workgroup configuration, 6, 28 using DMP, 30 configuration rules, 62 using multipathing software, 30 write-behind cache mode, 14 platforms supported, 9 write-through cache mode, 14 RAID and applications, 18 configuring for redundancy, 20 default level, 22 determining level required, 18 levels, defined, 21...
  • Page 88 Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001...

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