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Task 1: Prepare a Site Plan, are optional.

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Configuration Planning Tasks Task 1: Prepare a Site Plan For each director, switch, or equipment rack installed, design a site plan that provides efficient work flow, operator convenience and safety, and adequate service clearances for the equipment rack. A customer manager should review the site plan with a service representative and consider: ■ Location and relationship of the physical facilities such as walls, doors, windows, partitions, furniture, and telephones. ■ Proximity of the director or switch to servers and storage peripherals, and if a multi-switch fabric is to be enabled, proximity of participating fabric elements to each other. ■ Location of at least 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) management station access. Remote user and SNMP workstations are optional. ■ Equipment rack locations, Ethernet cabling, and the Internet Protocol (IP) addressing scheme to support optional rack interconnection and HAFM server consolidation. ■ Power requirements, including an optional uninterruptable power supply (UPS). ■ Lengths of power cables and location of electrical outlets (for directors, switches, and the HAFM server) having the proper phase, voltage, amperage, and ground connection. WARNING: An insulated grounding conductor identical in size, insulating material, and thickness to the grounded and ungrounded branch-circuit supply conductors (except it is green, with or without one or more yellow stripes) shall be installed as part of the branch circuit supplying the product. The grounding conductor described shall be connected to ground at the product, or if supplied by a separately derived system, at the supply transformer or motor generator. The plug receptacles near the product shall all be a grounding type, and grounding conductors serving these receptacles shall be connected to ground at the product. 146 SAN High Availability Planning Guide

Section	Page
Contents	3
About this Guide	9
Overview	10
Intended Audience	10
Related Documentation	10
Conventions	11
Document Conventions	11
Table 1: 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
Introduction to HP Fibre Channel Products	15
Product Overview	15
Figure 1: Rack-mount HP products	17
Directors	18
Director Performance	19
Director 2/64	21
Figure 2: Director 2/64 (front view)	21
Figure 3: Director 2/64 (rear view)	22
Director 2/140	23
Figure 4: Director 2/140 (front view)	23
Figure 5: Director 2/140 (rear view)	24
Edge Switches	25
Edge Switch Performance	25
Edge Switch 2/16	26
Figure 6: Edge Switch 2/16 (front view)	26
Figure 7: Edge Switch 2/16 (rear view)	27
Edge Switch 2/24	28
Figure 8: Edge Switch 2/24 (front view)	28
Figure 9: Edge Switch 2/24 (rear view)	29
Edge Switch 2/32	30
Figure 10: Edge Switch 2/32 (front view)	30
Figure 11: Edge Switch 2/32 (rear view)	31
Product Features	32
Connectivity Features	32
Security Features	33
Serviceability Features	34
Product Management	37
Product Management	38
Figure 12: Out-of-band product management	39
Figure 13: Inband product management	40
HAFM Server Description	41
Figure 14: HAFM Server	41
HAFM Server Specifications	42
Ethernet Hub	43
Figure 15: HP Ethernet hub	43
Remote User Workstations	43
Product Firmware	44
Backup and Restore Features	45
Product Software	47
Management Services Application	47
Graphical User Interface	48
HAFM Application	48
Products View	49
Figure 16: Products View	49
Fabrics View	51
Figure 17: Fabrics View - Topology tab	51
Figure 18: Fabrics View - Zone Set tab	52
Product Manager Application	53
Figure 19: Hardware View	53
Embedded Web Server Interface	54
Figure 20: View Panel (Embedded Web Server interface)	55
Command Line Interface	56
Planning Considerations for Fibre Channel Topologies	57
Fibre Channel Topologies	58
Planning for Point-to-Point Connectivity	59
Characteristics of Arbitrated Loop Operation	60
Shared Mode Versus Switched Mode	60
Figure 21: Shared mode operation	61
Figure 22: Switched mode operation	62
Public Versus Private Devices	62
Figure 23: Public device connectivity	63
Figure 24: Private device connectivity	64
Public Versus Private Loops	65
Figure 25: Public loop connectivity	65
Figure 26: Private loop connectivity	66
Planning for Private Arbitrated Loop Connectivity	66
Shared Mode Operation	67
Figure 27: Shared Mode operation and logical equivalent	67
Figure 28: 20-Device private arbitrated loop	68
Switched Mode Operation	70
Figure 29: Switched mode operation and logical equivalent	70
Figure 30: Switched mode operation with eight independent looplets	71
Planning for Fabric-Attached Loop Connectivity	73
Connecting a SAN to a Switched Fabric	73
Figure 31: Arbitrated loop to switched fabric connectivity	74
Figure 32: ISL bandwidth limitation	75
Server Consolidation	76
Figure 33: Server consolidation	76
Tape Device Consolidation	77
Figure 34: Tape drive consolidation	77
Planning for Multi-Switch Fabric Support	78
Figure 35: Example multi-switch fabric	78
Fabric Topology Limits	79
Factors to Consider When Implementing a Fabric Topology	80
Table 2: ISL Transfer Rate versus Fabric Port Availability (Two-Director Fabric)	82
Fabric Topologies	89
Cascaded Fabric	89
Figure 36: Cascaded fabric	90
Ring Fabric	91
Figure 37: Ring fabric	91
Mesh Fabric	92
Figure 38: Full mesh fabric	92
Core-to-Edge Fabric	94
Figure 39: 2-by-14 Core-to-Edge fabric	94
Figure 40: 4-by-12 Core-to-Edge fabric	95
Fabric Island	96
Planning a Fibre Channel Fabric Topology	97
Fabric Performance	97
I/O Requirements	98
Application I/O Profiles	98
ISL Oversubscription	99
Figure 41: ISL oversubscription	99
Device Locality	100
Figure 42: Device locality	101
Device Fan-Out Ratio	101
Figure 43: Device fan-out ratio	102
Performance Tuning	102
Figure 44: Fabric performance tuning	103
Fabric Availability	104
Redundant Fabrics	105
Figure 45: Redundant fabrics	106
Fabric Scalability	107
Obtaining Professional Services	107
Fabric Topology Design Considerations	107
Large Fabric Design Implications	107
FCP and FICON in a Single Fabric	108
Director or Switch Management	109
Port Numbering Versus Port Addressing	110
Figure 46: Director 2/64 port numbers and logical port addresses	110
Management Limitations	111
Protocol Intermix Recommendations	112
Multiple Data Transmission Speeds in a Single Fabric	114
Physical Planning Considerations	115
Port Connectivity and Fiber-Optic Cabling	116
Port Requirements	116
Optical Transceivers	117
Data Transmission Distance	118
Cost Effectiveness	118
Device or Cable Restrictions	118
Extended-Distance Ports	119
High-Availability Considerations	119
Cables and Connectors	120
Cables	120
Director and Switch Connectors	121
Figure 47: SFP transceiver and LC duplex connector	121
Routing Fiber-Optic Cables	121
HAFM Server, LAN, and Remote Access Support	122
HAFM Server	122
HAFM Server Connectivity	123
Connectivity Planning Considerations	124
Remote User Workstations	124
Figure 48: Typical network configuration (one Ethernet connection)	126
Figure 49: Typical network configuration (two Ethernet connections)	127
SNMP Management Workstations	128
Web Browser Access	128
Inband Management Access (Optional)	129
Security Provisions	131
Password Protection	131
Table 3: Types of User Rights	131
Name Server Zoning	132
Figure 50: Product zoning	132
Benefits of Zoning	133
Configuring Zones	133
Joining Zoned Fabrics	135
Factors to Consider When Implementing Zoning	136
Server and Storage-Level Access Control	136
Obtaining Professional Services	137
Optional Features	138
Inband Management Console Access	139
Open Systems Management Server	139
FICON Management Server	139
Flexport Technology	140
SANtegrity Binding	140
Enterprise Fabric Mode	141
SANtegrity Binding Planning Considerations	142
Open Trunking	142
Figure 51: Open Trunking configuration	142
Configuration Planning Tasks	145
Task 1: Prepare a Site Plan	146
Table 4: Physical Planning and Hardware Installation Tasks	148
Table 5: Operational Setup Tasks	149
Task 2: Plan Fibre Channel Cable Routing	151
Task 3: Consider Interoperability with Fabric Elements and End Devices	152
Task 4: Plan Console Management Support	153
Task 5: Plan Ethernet Access	154
Task 6: Plan Network Addresses	155
Task 7: Plan SNMP Support (Optional)	156
Task 8: Plan E-Mail Notification (Optional)	157
Task 9: Establish Product and HAFM Server Security Measures	157
Task 10: Plan Phone Connections	158
Task 11: Diagram the Planned Configuration	158
Task 12: Assign Port Names and Nicknames	158
Rules for Port Names	159
Rules for Nicknames	159
Task 13: Complete the Planning Worksheet	159
Task 14: Plan AC Power	164
Task 15: Plan a Multi-Switch Fabric (Optional)	165
Task 16: Plan Zone Sets for Multiple Products (Optional)	166
Index	167
A	167
B	167
C	167
D	168
E	168
F	168
G	169
H	169
I	170
J	170
L	170
M	170
N	170
O	171
P	171
R	172
S	172
T	173
U	173
W	173

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Configuration Planning Tasks

146

SAN High Availability Planning Guide

Task 1: Prepare a Site Plan

For each director, switch, or equipment rack installed, design a site plan that

provides efficient work flow, operator convenience and safety, and adequate

service clearances for the equipment rack.

A customer manager should review the site plan with a service representative and

consider:

■

Location and relationship of the physical facilities such as walls, doors,

windows, partitions, furniture, and telephones.

■

Proximity of the director or switch to servers and storage peripherals, and if a

multi-switch fabric is to be enabled, proximity of participating fabric elements

to each other.

■

Location of at least 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) management station access. Remote user and SNMP workstations

are optional.

■

Equipment rack locations, Ethernet cabling, and the Internet Protocol (IP)

addressing scheme to support optional rack interconnection and HAFM server

consolidation.

■

Power requirements, including an optional uninterruptable power supply

(UPS).

■

Lengths of power cables and location of electrical outlets (for directors,

switches, and the HAFM server) having the proper phase, voltage, amperage,

and ground connection.

WARNING:

An insulated grounding conductor identical in size, insulating

material, and thickness to the grounded and ungrounded branch-circuit supply

conductors (except it is green, with or without one or more yellow stripes) shall

be installed as part of the branch circuit supplying the product. The grounding

conductor described shall be connected to ground at the product, or if

supplied by a separately derived system, at the supply transformer or motor

generator. The plug receptacles near the product shall all be a grounding type,

and grounding conductors serving these receptacles shall be connected to

ground at the product.