FW V06.XX/HAFM SW V08.02.00 HP StorageWorks SAN High Availability Planning Guide (AA-RS2DD-TE, July 2004)
Table Of Contents
- SAN HA Planning Guide
- Contents
- About this Guide
- Introduction to HP Fibre Channel Products
- Product Management
- Planning Considerations for Fibre Channel Topologies
- Fibre Channel Topologies
- Planning for Point-to-Point Connectivity
- Characteristics of Arbitrated Loop Operation
- Planning for Private Arbitrated Loop Connectivity
- Planning for Fabric-Attached Loop Connectivity
- Planning for Multi-Switch Fabric Support
- Fabric Topologies
- Planning a Fibre Channel Fabric Topology
- Fabric Topology Design Considerations
- FICON Cascading
- Physical Planning Considerations
- Port Connectivity and Fiber-Optic Cabling
- HAFM Appliance, LAN, and Remote Access Support
- Inband Management Access (Optional)
- Security Provisions
- Optional Features
- Configuration Planning Tasks
- Task 1: Prepare a Site Plan
- Task 2: Plan Fibre Channel Cable Routing
- Task 3: Consider Interoperability with Fabric Elements and 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 Notification (Optional)
- Task 9: Establish Product and HAFM Appliance Security Measures
- Task 10: Plan Phone Connections
- Task 11: Diagram the Planned Configuration
- Task 12: Assign Port Names and Nicknames
- Task 13: Complete the Planning Worksheet
- Task 14: Plan AC Power
- Task 15: Plan a Multi-Switch Fabric (Optional)
- Task 16: Plan Zone Sets for Multiple Products (Optional)
- Index
Planning Considerations for Fibre Channel Topologies
78 SAN High Availability Planning Guide
Figure 33: Server consolidation
Tape Device Consolidation
Providing fabric connectivity for multiple FC-AL tape drives by attaching them
individually to a Fibre Channel director is likewise not a cost-effective solution. A
practical solution is to consolidate the tape drives on an inexpensive loop switch,
and then connect the switch to a single director or edge switch E_Port.
Figure 34 illustrates the consolidation of three tape drives through one B_Port
connection to a director. Each tape drive has a 30-MBps bandwidth, therefore the
sum of the bandwidths of all consolidated servers is slightly less (90 MBps) than
the B_Port bandwidth of 1.0625 Gbps. Connecting another FC-AL tape drive to
the switch would exceed the B_Port capability and adversely impact
director-to-switch link performance. Other devices (such as servers) should not be
connected to a switch used for tape drive consolidation.