HP Surestore 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil
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- HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 1
.01.00-09 Third Edition (June 2003) Part Number: AA-RS2DC-TE This guide introduces HP Fibre Channel switching products, storage area networks (SANs), and Fibre Channel technologies. It describes HP StorageWorks directors and edge switches, and High Availability Fabric Manager (HAFM) application. It - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 2
the express limited warranty statements for such products. Nothing herein should be construed as constituting an additional warranty. Printed in the U.S.A. SAN High Availability Planning Guide Third Edition (June 2003) Part Number: AA-RS2DC-TE - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 3
contents Contents About this Guide 9 Overview 10 Intended Audience 10 Related Documentation 10 Conventions 11 Document Conventions 11 Text Symbols 12 Equipment Symbols 12 Rack Stability 13 Getting Help 14 HP Technical Support 14 HP Storage Website 14 HP Authorized Reseller 14 1 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 4
Backup and Restore Features 45 Product Software 47 Management Services Application 47 Graphical User Interface 48 HAFM Application 48 Consolidation 76 Tape Device Consolidation 77 Planning for Multi-Switch Fabric Support 78 Fabric Topology Limits 79 Factors to Consider When Implementing - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 5
Tuning 102 Fabric Availability 104 Redundant Fabrics 105 Fabric Scalability 107 Obtaining Professional Services 107 Fabric Topology Design Considerations 107 Large Fabric Design Implications 107 FCP and Ports 119 High-Availability Considerations 119 SAN High Availability Planning Guide 5 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 6
HAFM Server, LAN, and Remote Access Support 122 HAFM Server 122 HAFM Server Connectivity Level Access Control 136 Obtaining Professional Services 137 Optional Features 138 Inband End Devices 152 Task 4: Plan Console Management Support 153 Task 5: Plan Ethernet Access 154 Task 6: Plan Network - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 7
rear view 31 12 Out-of-band product management 39 13 Inband product management 40 14 HAFM Server 41 15 HP Ethernet hub 43 16 Products View 49 17 Fabrics View - Topology tab 51 18 Fabrics View - Zone mode operation 62 23 Public device connectivity 63 SAN High Availability Planning Guide 7 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 8
Availability (Two-Director Fabric 82 3 Types of User Rights 131 4 Physical Planning and Hardware Installation Tasks 148 5 Operational Setup Tasks 149 8 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 9
of one or more of the following Hewlett-Packard (HP) products: About this Guide ■ HP StorageWorks Director 2/64. ■ HP StorageWorks Director 2/140. ■ HP StorageWorks Edge Switch 2/16. ■ HP StorageWorks Edge Switch 2/24. ■ HP StorageWorks Edge Switch 2/32. ■ High Availability fabric Manager (HAFM - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 10
About this Guide Overview This section covers the following topics: ■ Intended Audience ■ latest information, documentation, and firmware releases, please visit the HP StorageWorks website: http://h18006.www1.hp.com/storage/saninfrastructure.html For information about Fibre Channel standards, - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 11
About this Guide Conventions Conventions consist of the following: ■ Document Conventions ■ Text Symbols ■ Equipment Symbols Document Conventions The document case sensitive Blue, underlined sans serif font text: http://www.hp.com SAN High Availability Planning Guide 11 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 12
following equipment symbols may be found on hardware for which this guide pertains. They have the following meanings. Any enclosed surface or the presence of electrical shock hazards. Enclosed area contains no operator serviceable parts. WARNING: To reduce the risk of personal injury from electrical - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 13
About this Guide Any surface or area of the equipment marked with these symbols or damage to the equipment, observe local occupational health and safety requirements and guidelines for manually handling material. Rack Stability Rack stability protects personnel and equipment. WARNING: To reduce the - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 14
still have a question after reading this guide, contact an HP authorized service provider or access our website: http://www.hp.com. HP Technical Support Telephone numbers for worldwide technical support are listed on the following HP website: http://www.hp.com/support/. From this website, select the - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 15
and cooling fans that provide an availability of 99.9% (approximately 8.8 hours of down time per year). HP offers the 16-port StorageWorks Edge Switch 2/16, the 24-port StorageWorks Edge Switch 2/24, and to "Edge Switches" on page 25 for detailed information. SAN High Availability Planning Guide 15 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 16
port count, low-bandwidth products. HP offers related products that act Manager (HAFM) server, available from HP with the HAFM, Director 2/64 network (LAN) through one or more HP-supplied 10/100 Base-T Ethernet hubs. configured to order in an HP-supplied 19-inch equipment rack. Figure - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 17
Introduction to HP Fibre Channel Products 1 HP Ethernet hub 2 Three Edge Switch 2/16s 3 Three Edge Switch 2/32s 4 Shelf-mount HAFM server (HP Omnibook) 5 Two Director 2/64s Figure 1: Rack-mount HP products SAN High Availability Planning Guide 17 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 18
HP Fibre Channel Products Directors Directors provide high-performance, dynamic connections between end devices such as servers, mass storage devices, and peripherals in a Fibre Channel switched network. Directors also support your HP marketing representative. 18 SAN High Availability Planning - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 19
Introduction to HP Fibre Channel Products Director Performance Directors provide the following general performance features: ■ High bandwidth - Each port provides full-duplex a director bit error rate (BER) less than one bit error per trillion (1012) bits. SAN High Availability Planning Guide 19 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 20
arbitrated loop devices, such devices can communicate with directors through loop switches supplied by HP. ■ Multiple service class support - The Fibre Channel signaling protocol provides several classes of transmission service that support framing protocol and flow control between ports. Directors - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 21
Introduction to HP Fibre Channel Products Director 2/64 The Director 2/64 is a second-generation, enterprise-class switch that provides 16 universal port module (CTP2) cards (UPM) cards 3 Redundant power supplies Figure 2: Director 2/64 (front view) SAN High Availability Planning Guide 21 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 22
Introduction to HP Fibre Channel Products Figure 3 illustrates the rear of the director. 1 Redundant fan modules 3 Redundant serial crossbar 2 Power module personnel, operations personnel can use the port to configure director network addresses. 22 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 23
Introduction to HP Fibre Channel Products Director 2/140 The Director 2/140 is a third-generation, enterprise-class switch that provides switched fabric bezel 2 Power and system error LEDs 3 UPM cards (32) 4 CTP cards Figure 4: Director 2/140 (front view) SAN High Availability Planning Guide 23 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 24
Introduction to HP Fibre Channel Products Figure 5 illustrates the rear of the director. 1 Fan modules 2 UPM cards (3) 3 Maintenance port 4 SBAR assemblies 5 AC personnel, operations personnel can use the port to configure director network addresses. 24 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 25
restrictions apply, refer to the product publications or contact your HP marketing representative. Edge Switch Performance Edge switches provide an local control, low communication overhead, multiple topology support, and multiple service class support. SAN High Availability Planning Guide 25 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 26
Introduction to HP Fibre Channel Products Edge Switch 2/16 The Edge Switch 2/16 provides 2.125 Gbps fabric connectivity for to up to 16 Fibre optic connectors 4 Port LEDs 5 Error LED (amber) 6 Power LED (green) Figure 6: Edge Switch 2/16 (front view) 26 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 27
Introduction to HP Fibre Channel Products Figure 7 illustrates the rear of the switch. 1 Cooling fans (6) 2 Power supplies (2) 3 Power switches on power supplies (2) 4 RS-232 maintenance port Figure 7: Edge Switch 2/16 (rear view) SAN High Availability Planning Guide 27 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 28
Introduction to HP Fibre Channel Products Edge Switch 2/24 The Edge Switch 2/24 provides 2.125 Gbps fabric connectivity for to up to 24 Fibre optic connectors 4 Port LEDs 5 Error LED (amber) 6 Power LED (green) Figure 8: Edge Switch 2/24 (front view) 28 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 29
Introduction to HP Fibre Channel Products Figure 9 illustrates the rear of the switch. 1 Power supplies with internal cooling fans 2 Maintenance Port Figure 9: Edge Switch 2/24 (rear view) SAN High Availability Planning Guide 29 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 30
Introduction to HP Fibre Channel Products Edge Switch 2/32 The Edge Switch 2/32 provides 2.125 Gbps fabric connectivity for to up to 32 Fibre optic connectors 4 Port LEDs 5 Error LED (amber) 6 Power LED (green) Figure 10: Edge Switch 2/32 (front view) 30 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 31
Introduction to HP Fibre Channel Products Figure 11 illustrates the rear of the switch. The FRUs on the rear panel include two 2 Power supplies (2) 3 Power switches on power supplies (2) 4 RS-232 maintenance port Figure 11: Edge Switch 2/32 (rear view) SAN High Availability Planning Guide 31 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 32
HP-managed directors and switches also provide a variety of: ■ Connectivity features. ■ Security features. ■ Serviceability features. Connectivity Features Directors, switches, and the associated HAFM and Product Manager applications support distance support - support - Directors and switches support - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 33
HP Fibre Channel Products ■ State change notification - Directors and switches support a state change notification function that allows attached N_Ports to request notification when other N_Ports change operational state. ■ Port binding - Directors and switches support Availability Planning Guide 33 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 34
(to support personnel or support contract. To register or order Proactive Service software, contact your HP customer service service personnel to change the product's IP address, subnet mask, and gateway address. The port also allows service personnel to run diagnostics and isolate system problems - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 35
to HP Fibre Channel the port flashes. When FRU beaconing is enabled, the amber (service required) LED on the FRU flashes. When unit beaconing is enabled through the associated Product Manager application to help isolate system problems. The data includes a memory dump file and audit, Guide 35 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 36
Introduction to HP Fibre Channel Products 36 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 37
, and optional workstation support. ■ The firmware, backup and restore features, and software graphical user interface (GUI) delivered with a product and the associated HAFM server. ■ The Embedded Web Server (EWS) interface and command line interface (CLI). SAN High Availability Planning Guide 37 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 38
(non-Fibre Channel) management access to HP products is provided through two Ethernet LAN installed on the director or switch. This interface supports configuration, statistics monitoring, and basic operation of the platform that supports Telnet client software can be used. 38 SAN High Availability - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 39
the managed product is a Director 2/64. The customer intranet could be an HP Ethernet hub providing device connectivity. 2 1 CCuussttoommeerr IInnttrraanneett ((1100//110000 MMbbppss)) StorageWorks Access (Optional)" on page 129 for information. SAN High Availability Planning Guide 39 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 40
2/64. 1 S/390 or zSeries 900 parallel Enterprise server 2 Host-attached console 3 Director 2/64 4 OSI server Figure 13: Inband product management 40 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 41
. For the latest supported topology limits, contact your local HP sales representative or refer to http://h18006.ww1.hp.com/products/storageworks/san and Edge Switch 2/32. The applications provide a GUI and management services, and implement Web and other server functions. Refer to "Graphical User - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 42
patches or service packs) may interfere with normal operation. United States English is the only language supported by the user workstations. An optional Ethernet adapter card (not supplied by HP) can be installed in the personal computer memory card international association Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 43
3X 4X 5X 6X MDI-X MDI (out) (in) 7X 8X 9X 10X 11X 12X Figure 15: HP Ethernet hub Remote User Workstations Operators at remote workstations with the client HAFM application installed can connect to the MB available on the internal hard drive. SAN High Availability Planning Guide 43 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 44
System Management Services - This Services - This function supports the fabric controller (login server) and name server. For the director, fabric services failover. ■ Fibre Port Services - This function provides optic ports. ■ Fibre Channel Protocol Services - This function provides the Fibre Channel - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 45
include the HAFM server or an SNMP management station. ■ Application Services - This function supports all software subsystems for system initialization, logging, tracing, debugging, and , such as trap recipients, community names, and write authorizations. SAN High Availability Planning Guide 45 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 46
options). - Configuration data for each managed product (stored on the HAFM server and in NVRAM on each director or switch). 46 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 47
performance. The Management Services application provides the following ■ Remote support and fault isolation services. ■ requires installation of HP Proactive Service software. This service is offered support contract. To register or order Proactive Service software, contact your HP customer service - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 48
provide the user interface for operators to control and monitor HP products. These applications can also operate on workstations attached to common Java-based GUI for managed HP products. For more information, see the HP StorageWorks HA-Fabric Manager User Guide. The application operates locally on - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 49
- The maximum port count for the product (not the enabled number of ports) displays at the left side of the icon. SAN High Availability Planning Guide 49 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 50
opens the Product Manager application for a director or switch. Refer to "Product Manager Application" on page 53 for additional information. 50 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 51
, or the HAFM server. Messages display, as required, to the right of the colored icons. Figure 17: Fabrics View - Topology tab SAN High Availability Planning Guide 51 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 52
of the set display below the zone set name in a scrollable tree structure. Figure 18: Fabrics View - Zone Set tab 52 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 53
window, and a graphical representation of the hardware (front and rear) displays in the center of the window. Figure 19: Hardware View SAN High Availability Planning Guide 53 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 54
capability of the HAFM and Product Manager applications (for example, the Web server does not support all product maintenance functions). In addition, the EWS interface manages only a single product. Web , and user rights (administrator and operator). 54 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 55
) display at the left side of the panel. The task selection tabs allow users to perform director or switch-specific tasks. SAN High Availability Planning Guide 55 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 56
entering commands through a PC-attached telnet session. Any platform that supports Telnet client software can be used. The primary purpose of prompt does not display to guide users through tasks. For additional information, refer to the HP StorageWorks CLI Reference Guide for Edge Switches and - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 57
chapter describes planning considerations for incorporating Hewlett-Packard (HP) switching products into Fibre Channel SAN topologies. and fabric-attached arbitrated loop connectivity. ■ Planning for multi-switch fabric support. For planning purposes, a SAN is typically one or more Fibre Channel - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 58
topologies (hybrid topology) is also supported. Related HP switches support switched mode and traditional (shared mode) arbitrated loop topologies, and indirectly support a switched fabric topology. These for Fabric-Attached Loop Connectivity" on page 73. 58 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 59
elements) to the destination device. For additional information, refer to "Planning for Multi-Switch Fabric Support" page 78, "Planning a Fibre Channel Fabric Topology" on page 97, and "Fabric Topology extended distances are required on a continual basis. SAN High Availability Planning Guide 59 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 60
Gbps (through the B_Port). The seven remaining H_Ports are inactive. Note: A Director 2/64 is shown in Figure 21 and other figures as an example. Any HP director or edge switch can be used. 60 SAN High Availability Planning - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 61
S3 to device D3), and public device D1 connected to fabric-attached server S5. All four transmissions operate at 1.0625 Gbps. SAN High Availability Planning Guide 61 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 62
Channel Topologies Figure 22: Switched mode operation Public Versus Private Devices Arbitrated loop switches support connection of public and private arbitrated loop devices as follows: ■ Public device - or switched) does not affect device communication. 62 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 63
embedded FL_Port ensures that private address spaces are isolated from a fabric. The switch does not support any other form of Fibre Channel address conversion (spoofing) that would allow private device-to using the B_Port to communicate with a fabric device. SAN High Availability Planning Guide 63 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 64
switch's name server. Be aware that public device-to-private device communication may cause problems. For example, it is often critical to separate servers and storage devices with different "Security Provisions" on page 131 for additional information. 64 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 65
Planning Considerations for Fibre Channel Topologies Public Versus Private Loops Arbitrated loop switches support operation of public and private loops as follows: ■ Public loop - A public loop is connected is illustrated in Figure 26 on page 66. SAN High Availability Planning Guide 65 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 66
: Private loop connectivity Planning for Private Arbitrated Loop Connectivity Private arbitrated loop topology supports the clustering of isolated servers and storage subsystems into workgroup or departmental SANs. between the first connection pair ends. 66 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 67
loop access. When operating in shared mode, the switch is a serially reusable resource that provides service access to all ports on the loop. Access is granted by successful arbitration. When arbitration is won , 20 FC-AL devices, and two unmanaged hubs. SAN High Availability Planning Guide 67 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 68
-optic or copper transmission medium. The addition of ports (through cascaded hubs), devices, and cabling increases the round-trip time. 68 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 69
arbitrated loop is, and is defined as the request rate divided by the service rate. The request rate is the rate at which devices arbitrate for access used only when connecting legacy FC-AL devices that do not support switched mode operation. Although the architectural limit of a Fibre Guide 69 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 70
through a hub and connecting H_Port, and because of opportunistic bandwidth sharing, the looplets effectively increase the switch bandwidth to 8.5 Gbps. 70 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 71
switched H_Port and ideally should only support connections and operations for up to 32 FC-AL devices. Therefore , an arbitrated loop can be constructed that supports the architectural 125-device limit. Switched mode operation problems associated with a single looplet. SAN High - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 72
activity that must be performed when new devices, applications, or users are added to the department or workgroup loop configuration. 72 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 73
for Fibre Channel Topologies Planning for Fabric-Attached Loop Connectivity Public arbitrated loop topology supports the connection of workgroup or departmental FC-AL devices to a switched fabric through Name Server Zoning" on page 132 for information. SAN High Availability Planning Guide 73 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 74
to a director or edge switch) is generally not supported. However, a director or edge switch does support the connection of multiple, independent switches. Figure 31 shows -trip time, number of loop tenancies, service rate, and loop utilization) must be evaluated. 74 SAN High Availability Planning - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 75
bandwidths equal the 1.0625 Gbps capacity of the link. Therefore, connection of additional devices to the switch adversely impacts B_Port performance. SAN High Availability Planning Guide 75 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 76
. Other devices (such as tape drives) should not be connected to a switch used for server consolidation. Figure 33: Server consolidation 76 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 77
. Other devices (such as servers) should not be connected to a switch used for tape drive consolidation. Figure 34: Tape drive consolidation SAN High Availability Planning Guide 77 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 78
Planning for Multi-Switch Fabric Support A Fibre Channel topology that connections) to form a multi-switch fabric. Support of multi-switch fabric operation is a major feature to form a high-availability fabric topology that supports multiple, full- bandwidth data transmission paths between servers - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 79
the requirements of the classes of Fibre Channel service that are supported. Fabric Topology Limits Operation of multiple directors HP sales representative or refer to the following website: http://h18000.www1.hp.com/products/storageworks/san/documentation.html. SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 80
supported by a fabric is based on current design rules. For information, refer to http://h18000.www1.hp.com/products/storageworks/san/documentation.html or contact your local HP requisite ISL connections. In addition, HP recommends that each director or growth and service requirements, must - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 81
of port connections available to devices. Table 2 illustrates ISL transfer rate versus port availability for a fabric consisting of two Director 2/64s. SAN High Availability Planning Guide 81 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 82
port assignments are made incrementally as devices log into the fabric and ISLs become available, optimal results are not guaranteed. 82 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 83
server and device D9 is a storage unit and both devices participate in a critical nightly backup operation. HP recommends that such a connection be routed directly through Director S2 (rather than the entire fabric) through WWN becomes the principal switch. SAN High Availability Planning Guide 83 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 84
was Principal goes offline, then all of the other ISLs will segment. Note: HP recommends configuring the switch priority as Default. In the audit log, note that the segment to prevent the fabrics from joining. To prevent this problem, HP recommends that all directors and switches be assigned a unique - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 85
the supporting OEM publications for the product, or contact HP. ■ Path selection - Directors and switches are not manually configured devices attached to the fabric, and enable operation of the fabric services firmware on each director or switch. Paths are determined when the Planning Guide 85 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 86
arrive ahead of previously transmitted frames that traverse the old (longer) path. This can cause problems because many Fibre Channel devices cannot receive frames in the incorrect order. A rerouting delay parameter or more domain ID conflicts are detected. 86 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 87
hardware failure or connectivity problem cannot transmit or receive service, registered state change notifications [RSCNs], and zoning) are provided on a fabric-wide basis. For example, if a fabric-attached device queries a director or switch name server to locate all devices that support Guide 87 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 88
two fabric elements can be the same only if the zone member WWNs are identical for each duplicated zone name. 88 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 89
each topology. The topologies are effective for a wide variety of applications, are extensively tested by HP, and are deployed in several customer environments. Fabric topologies described in this section include: ■ Cascaded when fabric elements are added. SAN High Availability Planning Guide 89 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 90
fabric management traffic (Class F traffic) or low-bandwidth SAN applications. For additional information, refer to "Device Locality" on page 100. 90 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 91
deploy, provide a simple solution to add additional fabric devices, and can solve hop-count problems inherent to cascaded fabrics. Ring fabrics also have increased reliability because traffic can route around WAN. These networks typically use a ring topology. SAN High Availability Planning Guide 91 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 92
SAN islands can be connected. Traffic patterns through the fabric should be evenly distributed, and overall bandwidth consumption is low. 92 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 93
ISLs. As a result, full or partial-mesh fabrics are recommended for networks that change infrequently or have well-established traffic patterns. SAN High Availability Planning Guide 93 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 94
RST TM PWR ERR Edge Switches Interswitch Link Fabric Connection Tier 2 Devices Figure 39: 2-by-14 Core-to-Edge fabric 94 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 95
the fabric. The topology provides the most flexible architecture to address fabric performance, traffic locality, data integrity, connectivity, and scalability requirements. SAN High Availability Planning Guide 95 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 96
maintain data locality within fabric islands as much as possible, and to closely monitor bandwidth usage between the fabric islands. 96 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 97
Fabric Topology To be effective, the fabric topology design must: ■ Solve the customer's business problem and provide the required level of performance. ■ Meet the customer's requirements for high availability. on page 47 and "Configuring Zones" on page 133. SAN High Availability Planning Guide 97 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 98
Planning Considerations for Fibre Channel Topologies I/O Requirements HP directors and switches are designed with non-blocking architecture; therefore, any two switch ports can that generate large blocks of data require high bandwidth to the device. 98 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 99
about application I/O (in Gbps) and fabric performance problems due to ISL connectivity, refer to "ISL Oversubscription bandwidth to the affected devices. Although all devices are serviced, ISL and fabric performance is reduced. Figure 41 illustrates Sec) SAN High Availability Planning Guide 99 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 100
minimal traffic flows across the ISL between directors and the congestion problem is mitigated. For additional information, refer to "Device Locality." the traffic load between fabric elements. Two ISLs are sufficient to support the bandwidth of both NT servers operating at peak load. ■ Upgrade Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 101
edge fabric, servers and storage devices that support such bandwidth-intensive applications should be attached simultaneously. These variations are why multiple hosts can be serviced by a single storage port. This device sharing ratio supported is 12 to 1. Figure 43 illustrates a fan-out - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 102
congestion. ■ Device output in IOPS does not result in a connectivity scheme that exceeds fan-out ratios, leading to port congestion. 102 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 103
associated storage are directly attached to the core director as Tier 1 devices. No ISLs are used for server-to-storage connectivity. SAN High Availability Planning Guide 103 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 104
IOPS. Fabric Availability Many fabric-attached devices require highly available connectivity to support applications such as disk mirroring, server clustering, or business continuance operations these effects and significantly increases fabric availability. 104 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 105
, updates, and Class F management traffic. In addition, smaller fabrics are easier to analyze for performance, to fault isolate, and to maintain. SAN High Availability Planning Guide 105 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 106
ERR Interswitch Link Fabric Connection Figure 45: Redundant fabrics Some dual-attached devices support active-active paths, while others support only active-passive paths. Active-active devices use either output path equally, and to one of the fabrics. 106 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 107
fabric can be a complex and difficult task. HP recommends that you obtain planning assistance from our professional services organization before implementing a fabric topology. Fabric , select a principal switch, and assign domain IDs to all switches. SAN High Availability Planning Guide 107 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 108
failure. Because of these problems, a fabric with a high ISL count is more difficult to build. Note that the fabric problem is not directly related major FC-4 protocols. FCP is the Fibre Channel protocol that supports the small computer system interface (SCSI) upper-level transport protocol Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 109
accessible devices because connectivity is defined at the host. This connectivity is hardware enforced in the routing tables of each port. SAN High Availability Planning Guide 109 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 110
3F). ■ Logical port addresses in bold (hexadecimal 04 through 43). Figure 46: Director 2/64 port numbers and logical port addresses 110 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 111
of by the name server. - When the director or switch is set to Open Systems management style, CUP support and the PDCM array are disabled. For FICON devices attached to the director or switch, the user must invalid and prevents the port from coming online. SAN High Availability Planning Guide 111 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 112
FICON connectivity. However, the name server does affect distribution of registered state change notification (RSCN) service requests to FICON devices. If a FICON device is not in the same zone as other devices to better manage the connectivity matrix. 112 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 113
logical port addressing or display the Address Configuration dialog box. Because the PDCM array is not supported, the host-based HCD describes FICON connectivity requirements. In addition, be aware that changes to to Open Systems or FICON management style. SAN High Availability Planning Guide 113 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 114
Speeds in a Single Fabric The Director 2/64, Edge Switch 2/16, and Edge Switch 2/32 support auto-sensing of 1.0625 and 2.125 Gbps device connections. The introduction of a higher data transmission 2.125 Gbps devices to the same director or switch. 114 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 115
chapter describes the physical planning considerations for incorporating Hewlett-Packard (HP) Director 2/64s, Edge Switch 2/16s, and Edge Switch (HAFM) server, Ethernet local area network (LAN), and remote access support. ■ Inband management access (optional). ■ Security provisions for directors or - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 116
are designed and certified for use only with fiber-optic cables and connectors with characteristics specified by HP. Use of other connectors or optical fiber can result in emission of laser power levels capable of transceivers, or a combination of all three. 116 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 117
data transmission speed. A 62.5 micron cable is only supported for the use of existing cable plants. HP recommends the use of 50 micron cables for new device or switch-to-switch distances of 10, 20, or 35 kilometers. HP supplies cables for 10 and 35 kilometers. For longer greater distances, you need - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 118
can be used. A 62.5 micron cable is only supported for the use of existing cable plants. HP recommends the use of 50 micron cables for new one type of transceiver (shortwave or longwave). Refer to the supporting documentation delivered with the product for information. ■ Existing cable restrictions - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 119
If the extended distance feature is enabled for a port that is not installed or does not support extended distance operation, the configuration for the feature is ignored. In addition, a director or reconnected while the director or switch is operational. SAN High Availability Planning Guide 119 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 120
to 10, 20, or 35 kilometers and connects to longwave ports that transmit light at a 1310 nm wavelength. The cable typically has a yellow jacket. HP supplies cables for 10 and 35 kilometers. For longer distances, you need Fibre Channel repeaters or wave division multiplexing (WDM) devices. 120 SAN - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 121
to other ports. ■ Cable routing outside the equipment rack. Plan for 1.5 meters (5 feet) of cable outside the rack to provide slack for service clearance, limited rack movement, and inadvertent cable pulls. ■ Cabling distance to servers, storage devices, and other fabric elements (for multi-switch - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 122
HAFM server is mounted in a slide-out drawer in the equipment rack. The server supports up to 48 HP directors or switches (managed products). The server is used to configure products and the remote access, configuration, management, and monitoring functions. 122 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 123
Service software. This service is offered at no additional charge for subsystems covered under an on-site warranty or on-site storage hardware support contract. To register or order Proactive Service software, contact your HP customer service representative. SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 124
the HAFM server can be delivered in an HP-supplied equipment rack in accordance with customer specifications inside the rack to route to the product's Ethernet ports and to allow service clearance. ■ Interconnecting equipment racks - To increase the products managed by one Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 125
126. Director 2/64s are used as an example. This single Ethernet connection is supported by HP, is Open View-Storage Node Manager (OV-SNM) compatible, and is the recommended configuration for a typical and switches operates at either 10 or 100 Mbps. SAN High Availability Planning Guide 125 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 126
Physical Planning Considerations 1 Two Director 2/64s 2 HP Ethernet hub 3 HAFM server (laptop or rack mount) 4 Remote user 64s are used as an example. Although this dual Ethernet connection is supported by HP, it is not OV-SNM compatible, requires installation of an additional PCMCIA LAN adapter - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 127
Physical Planning Considerations Figure 49: Typical network configuration (two Ethernet connections) SAN High Availability Planning Guide 127 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 128
products. Ensure IP addresses (uniform resource locators [URLs] for Internet access) of managed products, usernames, and passwords are tightly controlled. 128 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 129
), or Tivoli NetView (Version 6.0 or later). For information about product-compatible HBAs, third-party SAN management applications, and minimum OSI server specifications, refer to the HP website. SAN High Availability Planning Guide 129 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 130
/390 level for a director or switch without the control unit port (CUP) feature is Version 2.6, plus service listed in PSP bucket upgrade 2032, device subset 2032OS390G5+. The minimum OS/390 level for a director or for OS/390, Operations (GC28-1550). 130 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 131
perform product control and configuration changes through the Product Manager application, and perform diagnostics, maintenance functions, firmware loads, and data collection. SAN High Availability Planning Guide 131 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 132
assigns access usernames, and controls associated passwords. Name Server Zoning Directors and switches support a name server zoning feature that partitions attached devices into restricted-access groups called 64 Director Figure 50: Product zoning SHR-2281 132 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 133
a device HBA or Fibre Channel interface (thereby changing the device WWN) disrupts zone operation and may incorrectly exclude a device from a zone. SAN High Availability Planning Guide 133 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 134
at one time. Zone members are defined and zones or zone sets are created using the HAFM application. HP products support the following zoning features: ■ Zone members - The maximum number of members configurable for a zone is included in the default zone. 134 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 135
in the default zone if there is no active zone set. ■ RSCN service requests - Registered state change notification (RSCN) service requests are transmitted to all N_Ports attached to the director or switch when the names in each fabric have identical members. SAN High Availability Planning Guide 135 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 136
device name to a specific Fibre Channel storage volume or logical unit number (LUN), through a specific HBA and storage port WWN. 136 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 137
server. ■ Supports a heterogeneous Services Planning and implementing a multi-switch fabric can be a complex and difficult task. HP recommends that you obtain planning assistance from our professional services organization before implementing a fabric topology. SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 138
OSMS or FMS feature. Note: The Edge Switch 2/24 does not support out-of-band management through FMS. ■ Flexport Technology - The Flexport , obtain the required feature enablement key through your HP marketing representative. A feature key is an alphanumeric string High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 139
, and minimum OSI server specifications, refer to the HP website at http://www.hp.com. FICON Management Server When the FMS feature key ) for native FICON, Version 1.3 or later, plus service listed in the appropriate preventive service planning (PSP) bucket. The PSP bucket upgrade is HKYSA30 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 140
without the control unit port (CUP) feature is Version 2.6, plus service listed in PSP bucket upgrade 2032, device subset 2032OS390G5+. The minimum Each port expansion kit includes eight SFP optical transceivers, upgrade instructions, and a feature key that enables the added port capacity Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 141
ID is used, then insisted upon, a warning occurs and the affected director or switch cannot be added to the membership list. SAN High Availability Planning Guide 141 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 142
zoning. It is recommended you obtain planning assistance from the HP professional services organization before implementing the SANtegrity Binding feature with director or switch B Server 3 Figure 51: Open Trunking configuration Storage 1 Storage 2 142 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 143
through ISL 1 to storage device 1 (ISL oversubscription) and server 3 routes low data rate traffic through ISL 2 to storage device 2 (ISL undersubscription). SAN High Availability Planning Guide 143 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 144
Physical Planning Considerations 144 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 145
End Devices. ■ Task 4: Plan Console Management Support. ■ Task 5: Plan Ethernet Access. ■ Task 6: Plan Network Addresses. ■ Task 7: Plan SNMP Support (Optional). ■ Task 8: Plan E-Mail Optional). ■ Task 16: Plan Zone Sets for Multiple Products (Optional). SAN High Availability Planning Guide 145 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 146
one analog phone line to aid in installation and serviceability. ■ Availability of Ethernet local area network (LAN) connections and cabling to support remote user workstation and simple network management protocol (SNMP connected to ground at the product. 146 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 147
, while maintaining accessibility to the director or switch. ■ Equipment rack front and rear service clearances, operator clearances, and maintenance access clearances. ■ Weight of an equipment rack. Either and user names for director and switch access. SAN High Availability Planning Guide 147 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 148
line. Order the equipment rack with one or more HP products. Order Fibre Channel devices and peripherals. Install Fibre or switch, consider separate power circuits for availability. Recommended. Telephone for support personnel. 250 meters (2.125 Gbps) for 50/125 µm multimode cable. Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 149
if installing on a LAN with non-HP devices). Directors and switches (if installing on a LAN with non-HP devices). Remote user workstation (optional). Obtain on HAFM server and products (if installing on a LAN with non-HP devices). HAFM server and products (optional). HAFM server and products. HAFM - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 150
100 km) ports. Configure link incident alerts. Configure Ethernet events. Determine if write permission is required for modifying SNMP variables. 150 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 151
(5 feet) of cable outside the rack to provide slack for service clearance, limited rack movement, and inadvertent cable pulls. WARNING: only with fiber-optic cable and connectors with characteristics specified by HP. Use of other connectors or optical fiber can result in emission Planning Guide 151 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 152
tested and qualified on a continual basis. Contact your HP representative for the latest information about fabric element, server single domain (fabric element) is supported. Inband management through the FICON management server (FMS) is also supported. When operating in FICON management style Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 153
HAFM server, the server is used as a local user workstation. - The HAFM server can support up to 48 managed HP products. - Managed directors and switches can be powered off and on without the HAFM server. system or SAN management application is available. SAN High Availability Planning Guide 153 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 154
. Ensure all access, security, and IP addressing issues are resolved. Note: HP recommends directors, switches, and the HAFM server be installed in a secure physical network domain to optimize security and avoid traffic problems. ■ Install remote user workstations - Plan for access to the LAN segment - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 155
through the TCP/IP Properties dialog box in Windows. In addition, assign and record a unique domain name service (DNS) name for the HAFM server and each director and switch. ■ Gateway addresses may need to mask is 255.0.0.0. - Gateway address is 0.0.0.0. SAN High Availability Planning Guide 155 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 156
Subnet mask is 255.0.0.0. - Gateway address is blank. Task 7: Plan SNMP Support (Optional) As an option, network administrators can use the HAFM application to configure HP to load onto SNMP management workstations. For additional information on SNMP, refer to the HP StorageWorks SNMP Reference Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 157
administrators can configure director and switch e-mail support. The following support considerations are required if the e-mail notification HP recommends this approach. ■ Access to products is possible through the maintenance port. This connection is for use by authorized service Guide 157 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 158
HAFM server for service personnel use. While performing a diagnostic or repair action, a service representative or network administrator at the HAFM server may require voice technical support through a telephone the Planning Worksheet" on page 159. 158 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 159
for a director; however, the same port name can be used on separate directors and switches. HP recommends unique port names be used, particularly within a complex multi-switch fabric. Example port names include worksheet as part of a permanent record. SAN High Availability Planning Guide 159 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 160
03 04 05 06 07 08 09 10 11 12 13 14 15 Attached Devices Type Model IP Address Zone 160 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 161
18 19 20 21 22 23 24 25 26 27 28 29 30 31 Attached Devices Type Model IP Address Zone SAN High Availability Planning Guide 161 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 162
35 36 37 38 39 40 41 42 43 44 45 46 47 Attached Devices Type Model IP Address Zone 162 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 163
50 51 52 53 54 55 56 57 58 59 60 61 62 63 Attached Devices Type Model IP Address Zone SAN High Availability Planning Guide 163 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 164
(Hz) and 100 to 240 volts alternating current (VAC), and require a minimum dedicated 5-ampere service. If two power sources are supplied (optional but recommended for high availability), the equipment rack contains two the product or equipment rack. 164 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 165
of attached devices, cost, nondisruptive growth requirements, and service requirements. When two or more fabric elements are connected through a complex and difficult task. HP recommends you obtain planning assistance from our professional services organization before implementing a fabric topology - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 166
. Planning and implementing zones and zone sets is a complex and difficult task, especially for multi-switch fabrics. HP recommends you obtain planning assistance from our professional services organization before implementing a director or switch zoning feature. 166 SAN High Availability Planning - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 167
loop typology characteristics 60 overview 58 audience 10 authorized reseller, HP 14 B backup HAFM data directory 46 NVRAM configuration 45 balancing 35 SAN High Availability Planning Guide Index Index index binding fabric 140 switch 141 broadcast support 32 C capacity planning 72 cascaded - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 168
21, 23 performance 19 service class support 20 supported topologies 20 disk drive 42 Ethernet LAN connectors 42 EWS interface 54 extended distance, support 32 F fabric availability 104 cascaded 89 core-to-edge redundant 105 ring 91 scalability 107 services 87 single 105 topologies 89 topology - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 169
33 serviceability 34 services 45 fabric services 44 Fibre Channel protocol services 44 network services 45 operating system services 45 system management services HAFM server, supported applications 41 hard HP authorized reseller 14 storage website 14 technical support 14 hybrid topology - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 170
private 65 public 65 round-trip time 68 service rate 69 utilization 69 loop switch mode shared 60 MIB 35 Fibre Alliance MIB 35 management services application, functions 47 maximum hop count 80 (external) 42 multi-cast support 32 multiswitch fabric support planning 78 multiswitch fabric topology - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 171
cable routing 151 plan multiswitch fabric 165 plan network addresses 155 plan phone connections 158 plan SNMP support 156 plan zone sets 166 prepare a site plan 146 point-to-point connectivity, planning 59 point typology 73 public device 62 public loop 65 SAN High Availability Planning Guide 171 - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 172
restrictions 33 workstation restrictions 33 zoning 33 server consolidation 76 service class support, director 20 172 service rate 69 serviceability features 34 beaconing 35 data collection 35 diagnostic software 34 , 70 symbols in text 12 symbols on equipment 12 SAN High Availability Planning Guide - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 173
technical support, HP 14 ring fabric 91 types of 58 topology support director 20 Topology tab 51 topology, planning 59 U user workstation, planning support 153 utilization, loop 69 W warning rack server, introduction 38 web server interface 54 websites, HP storage 14 WWN, assignment 84 Z Zip drive - HP Surestore 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 174
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 |
planning
guide
hp
StorageWorks
SAN high availability
Product Version:
FW V05.01.00-24/HAFM SW V07.01.00-09
Third Edition (June 2003)
Part Number:
AA-RS2DC-TE
This guide introduces HP Fibre Channel switching products, storage area networks (SANs), and
Fibre Channel technologies. It describes HP StorageWorks directors and edge switches, and
High Availability Fabric Manager (HAFM)
application. It also describes the firmware, backup
and restore features, and the graphical user interface delivered with the directors and edge
switches, and
HAFM
application. Finally, it describes planning for Fibre Channel topologies,
physical planning considerations, and configuration planning tasks to ensure taking advantage
of director and switch features.