HP Surestore 64 Planning Guide - Page 65

concurrently removed and replaced while the director is operational.

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• Migration from a proprietary to an open-systems interconnection (OSI) computing environment, and integration of channel and network architectures. OSI computing enables cross-platform communication and increases data availability to customer employees. • Cost savings through higher availability of mission-critical applications and devices. High availability is ensured by multiple device connections through more than one port, or more than one director. In addition, spare ports can be maintained (for failover) for devices that require high availability. Refer to Port Connectivity and Fiber-Optic Cabling on page 54 for additional information. • Improved security of business applications and data. The director allows attached devices to be partitioned into restricted-access zones to limit unauthorized access. Refer to Name Server Zoning on page 67 for information. • Improved resource manageability. Distributed resources are consolidated and managed through Fibre Channel connectivity instead of physical relocation. In addition, through a director expansion port (E_Port), arbitrated loop devices can communicate with multiswitch fabric devices. Contact your local HP sales office for a list of devices that support arbitrary loop configurations. Technical solutions provided through director installation and SAN implementation include: • Improved reliability and serviceability. High reliability and serviceability are ensured by installing a director with redundant field-replaceable units (FRUs) that can be concurrently removed and replaced while the director is operational. • Improved data transmission performance. While Fibre Channel implementation provides an improvement over comparable technologies, data traffic through director must be identified and characterized for optimum performance. Traffic sources and destinations must be identified, and bandwidth and quality-of-service requirements for applications must be estimated. • The ability to transmit data over longer distances. Through longwave transceivers, the director can transmit Fibre Channel frames up to 10 kilometers (km). Through dense wavelength division multiplexing (DWDM) equipment, the director can transmit Fibre Channel frames up to 100 km. The purchase and installation of longwave transceivers or equipment must be factored into the SAN design to meet long- distance requirements. Planning a Fibre Channel SAN Configuration 51 Planning Considerations

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Planning a Fibre Channel SAN Configuration
51
Planning Considerations
•
Migration from a proprietary to an open-systems interconnection (OSI) computing
environment, and integration of channel and network architectures. OSI computing
enables cross-platform communication and increases data availability to customer
employees.
•
Cost savings through higher availability of mission-critical applications and devices.
High availability is ensured by multiple device connections through more than one port,
or more than one director. In addition, spare ports can be maintained (for failover) for
devices that require high availability. Refer to Port Connectivity and Fiber-Optic Cabling
on page 54 for additional information.
•
Improved security of business applications and data. The director allows attached
devices to be partitioned into restricted-access zones to limit unauthorized access.
Refer to Name Server Zoning on page 67 for information.
•
Improved resource manageability. Distributed resources are consolidated and managed
through Fibre Channel connectivity instead of physical relocation. In addition, through
a director expansion port (E_Port), arbitrated loop devices can communicate with
multiswitch fabric devices. Contact your local HP sales office for a list of devices that
support arbitrary loop configurations.
Technical solutions provided through director installation and SAN implementation
include:
•
Improved reliability and serviceability. High reliability and serviceability are ensured by
installing a director with redundant field-replaceable units (FRUs) that can be
concurrently removed and replaced while the director is operational.
•
Improved data transmission performance. While Fibre Channel implementation
provides an improvement over comparable technologies, data traffic through director
must be identified and characterized for optimum performance. Traffic sources and
destinations must be identified, and bandwidth and quality-of-service requirements for
applications must be estimated.
•
The ability to transmit data over longer distances. Through longwave transceivers, the
director can transmit Fibre Channel frames up to 10 kilometers (km). Through dense
wavelength division multiplexing (DWDM) equipment, the director can transmit Fibre
Channel frames up to 100 km. The purchase and installation of longwave transceivers
or equipment must be factored into the SAN design to meet long- distance requirements.