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Sun Microsystems 3510 manuel d'utilisation

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  • Page 1

    Sun Microsystems, Inc. www.sun.com Submit comments about this document at: http://www.sun.com/hwdocs/feedback Sun StorEdge ™ 3000 F amily Best Practices Man ual Sun StorEdge 3510 FC Arra y P ar t No . 816-7325-12 October 2003, Revision A[...]

  • Page 2

    Please Recycle Copyright © 2003 Dot Hill Systems Corporation, 6305 El Camino Real, Carlsbad, California 92009, USA. All rights reserved. Sun Microsystems, Inc. and Dot Hill Systems Corporation may have intellectual pr operty rights relating to technology embodied in this product or document. In particular , and without limitation, these intellectu[...]

  • Page 3

    iii Contents Overview 1 Introduction 2 Overview 3 Fibre Channel Ar chitecture 3 Fibre Channel Pr otocols 3 Supported RAID Levels 4 Logical Drives 4 Cache Optimization 5 Array Management T ools 6 Saving and Restoring Configuration Information 7 Direct-Attached Storage 7 Storage Area Networking 8 Scaling Capacity 9 First Steps 10 General Configuratio[...]

  • Page 4

    iv Sun StorEdge 3000 Family Best Practices Manual • October 2003 High-A vailability DAS T ips and T echniques 16 High-A vailability DAS Setup Details 17 Full-Fabric SAN Configurations 19 Full-Fabric SAN T ips and T echniques 20 Full-Fabric SAN Setup Details 20 High-Performance SAN Configurations 23 High-Performance SAN T ips and T echniques 24 Hi[...]

  • Page 5

    1 Best Practices for the Sun StorEdge 3510 FC Array This document highlights Fibre Channel (FC) best practices which apply to the Sun StorEdge  3510 FC array . Overview The Sun StorEdge 3510 array is a next generation Fibre Channel storage system designed to provide dir ect attached storage (DAS) to entry-level, mid-range, and enterprise servers[...]

  • Page 6

    2 Sun StorEdge 3000 Family Best Practices Manual • October 2003 Intr oduction There ar e two popular methods for connecting storage to servers. ■ The original and still most widely used approach uses a direct connection between a server and its storage system. A storage system connected in this manner is commonly referred to as dir ect-attached[...]

  • Page 7

    Best Practices f or the Sun StorEdge 3510 FC Array 3 Overview Fibr e Channel Architectur e The Sun StorEdge 3510 FC array RAID controller has six f ibre channels that can support 1 or 2 Gb data transfer speeds. RAID controller channels 0, 1, 4, and 5 are normally designated for connection to hosts or Fibre Channel switches. RAID controller channels[...]

  • Page 8

    4 Sun StorEdge 3000 Family Best Practices Manual • October 2003 In a point-to-point configuration, only one ID can be assigned to each host channel. If more than one ID is assigned, the point-to-point protocol rules ar e violated. Any host channel with more than one ID will not be able to log in to an FC switch in fabric mode. This “ one-ID-per[...]

  • Page 9

    Best Practices f or the Sun StorEdge 3510 FC Array 5 W ith at least one LD assigned to each controller , both contr ollers are active. This configuration is known as an active-active controller conf iguration and allows maximum use of a dual controller array's r esources. Each LD can be partitioned in up to 128 separate partitions or used as a[...]

  • Page 10

    6 Sun StorEdge 3000 Family Best Practices Manual • October 2003 Numerous contr oller parameters are also changed to optimize for sequential or random I/O. The change takes effect after the contr oller resets. Sequential or random optimization must be set prior to creating logical drives. There ar e two limitations that apply to the optimization m[...]

  • Page 11

    Best Practices f or the Sun StorEdge 3510 FC Array 7 ■ When your array is on a public network, it is susceptible to viruses, worms, and other malware attacks. ■ A variety of security software is available to detect and mitigate these attacks. Some port-scanning and other security software can have an adverse impact on your ability to access dat[...]

  • Page 12

    8 Sun StorEdge 3000 Family Best Practices Manual • October 2003 FIGURE 2 T wo DAS Configurations The actual number of servers that can be connected varies according to the number of Sun StorEdge 3510 FC array controllers. It also depends on the quantity of Fibre Channel connections used for each server and the total number of small form-factor pl[...]

  • Page 13

    Best Practices f or the Sun StorEdge 3510 FC Array 9 The SAN can also support multiple Sun StorEdge 3510 FC arrays. Increasing the number of StorEdge arrays makes more performance and capacity available within the storage network for sharing among the servers connected to the SAN. A SAN also provides gr eat flexibility in how storage capacity can b[...]

  • Page 14

    10 Sun StorEdge 3000 Family Best Practices Manual • October 2003 FIGURE 3 Increasing Capacity First Steps There ar e two simple yet effective approaches for designing a Sun StorEdge 3510 FC array solution into your environment. Both methods allow for the rapid estimation of an appropriate DAS or SAN solution. Regardless of which method is used, t[...]

  • Page 15

    Best Practices f or the Sun StorEdge 3510 FC Array 11 environment. For envir onments with different server conf igurations, choose the solution that best matches the servers whose applications are mission-critical or most important. General Conf iguration Considerations The entry-level configuration for an FC array uses only one RAID controller . I[...]

  • Page 16

    12 Sun StorEdge 3000 Family Best Practices Manual • October 2003 Non-Redundant DAS Conf igurations Note – Using single connections between Sun StorEdge 3510 SCSI arrays and servers creates single points of failure (SPOF) that can cause interruptions in the event a connection becomes unreliable or fails. This is not a recommended configuration u[...]

  • Page 17

    Best Practices f or the Sun StorEdge 3510 FC Array 13 Non-Redundant DAS T ips and T echniques ■ A Sun StorEdge 3510 FC array with a single controller can be configur ed to support up to four host connections. These connections can be used in pairs, individually , or in any combination of both. ■ Y ou will need to add SFP modules to support more[...]

  • Page 18

    14 Sun StorEdge 3000 Family Best Practices Manual • October 2003 Non-Redundant DAS Setup Details FIGURE 5 Non-Redundant DAS Connections The general procedur e for creating this configuration follows. 1. Check the position of installed SFP modules. Move or add SFP modules as necessary to support the connections needed. 2. Connect expansion units i[...]

  • Page 19

    Best Practices f or the Sun StorEdge 3510 FC Array 15 5. Map Logical Drive 0 to controller channel 0. 6. Map Logical Drive 1 (if created) to controller channel 5. 7. Map Logical Drive 2 (if created) to controller channel 1. 8. Map Logical Drive 3 (if created) to controller channel 4. 9. Connect the f irst server to upper controller port 0. 10. Conn[...]

  • Page 20

    16 Sun StorEdge 3000 Family Best Practices Manual • October 2003 High-A vailability DAS T ips and T echniques ■ A Sun StorEdge 3510 FC array with two controllers can be conf igured to support up to eight host connections. These connections can be used in pairs for redundancy , individually or in any combination of both. ■ Y ou will need to ad[...]

  • Page 21

    Best Practices f or the Sun StorEdge 3510 FC Array 17 High-A vailability DAS Setup Details FIGURE 7 High-A vailability DAS Connections The general procedur e for creating this configuration follows. 1. Check the position of installed SFP modules. Move them as necessary to support the connections needed. T ABLE 4 Setup Summary for High-A vailability[...]

  • Page 22

    18 Sun StorEdge 3000 Family Best Practices Manual • October 2003 2. Connect expansion units if needed. 3. Conf igure cache optimization. 4. Ensure f ibre connection is set to loop mode. 5. Conf igure target IDs. 6. Create one Logical Drive for each server and conf igure spare disks. 7. Map Logical Drive 0 to channels 0 and 5 of the primary contro[...]

  • Page 23

    Best Practices f or the Sun StorEdge 3510 FC Array 19 Full-Fabric SAN Conf igurations FIGURE 8 T ypical Full-Fabric SAN Configuration T ABLE 5 Configuration Overview for a Full-Fabric SAN Small Configuration Medium Configuration Large Configuration Number of Servers 2 to 4 2 to 14 2 to 62 RAID Enclosur es 1 1 1 Expansion Units As needed As needed A[...]

  • Page 24

    20 Sun StorEdge 3000 Family Best Practices Manual • October 2003 Full-Fabric SAN T ips and T echniques ■ In the fabric SAN configuration, the switches communicate with the Sun StorEdge 3510 FC array host ports using a fabric point-to-point (F_port) mode. This enables transparent contr oller fail-over and fail-back without server-resident softwa[...]

  • Page 25

    Best Practices f or the Sun StorEdge 3510 FC Array 21 Diagram showing a full-fabric SAN configuration FIGURE 9 Full-fabric SAN connections T ABLE 6 Setup Summary for Full Fabric SAN Channel Number Primary ID Number Secondary ID Number 0 40 N/A 1 N/A 42 21 4 1 5 31 4 1 5 4 44 N/A 5 N/A 46 Server 1 Server 2 Switch 3 Switch 4[...]

  • Page 26

    22 Sun StorEdge 3000 Family Best Practices Manual • October 2003 The general procedur e for creating this configuration follows. 1. Check the position of installed SFP modules. Move them as necessary to support the connections needed. 2. Connect expansion units if needed. 3. Conf igure cache optimization 4. Ensure f ibre connection option is set [...]

  • Page 27

    Best Practices f or the Sun StorEdge 3510 FC Array 23 High-Performance SAN Conf igurations FIGURE 10 T ypical High-Performance SAN Configurations T ABLE 7 Configuration Overview for High-Performance SAN Small Configuration Medium Configuration Large Configuration Number of Servers 2 to 4 2 to 14 2 to 62 RAID Enclosur es 1 1 1 Expansion Units As nee[...]

  • Page 28

    24 Sun StorEdge 3000 Family Best Practices Manual • October 2003 High-Performance SAN T ips and T echniques ■ In the high-performance SAN configuration, the switches communicate with the Sun StorEdge 3510 FC array host ports using a fabric loop (FL_port) mode. This enables every Fibre Channel host connection within the Sun StorEdge 3510 FC arra[...]

  • Page 29

    Best Practices f or the Sun StorEdge 3510 FC Array 25 Diagram showing high-performance SAN connections FIGURE 11 High-Performance SAN Connections The general procedur e for creating this configuration follows. 1. Check the position of installed SFP modules. Move them as necessary to support the connections needed. T ABLE 8 Setup Summary for a High-[...]

  • Page 30

    26 Sun StorEdge 3000 Family Best Practices Manual • October 2003 2. Connect expansion units if needed. 3. Conf igure cache optimization. 4. Ensure f ibre connection option set to loop mode. 5. Conf igure target IDs. 6. Create at least two logical drives and conf igure spare disks. 7. Create one or more logical drive partitions for each server . 8[...]