IBM 86596ry Setup Guide - Page 17

Fibre Channel switch, SAN Data Gateway

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v Hot-plug for easy configuration v Four additional slots available to support RAID levels 0, 1, 3, 5, 10 v 256 MB battery-backed cache Fibre Channel switch When using FAStT Storage Manager, you must have isolated paths to each controller within the FAStT500 RAID Controller Enclosure Unit. This requires having no inter-switch links (ISL) between the two 2109-S08 or 2109-S16 switches. Prohibiting ISL is required because the Redundant Disk Array Controller (RDAC) that is used by the FAStT Storage Manager software is not a multi-path driver and can only failover between two paths. The switch is a high-performance Fibre Channel gigabit switch with the following features: v Simple It is easy to setup and configure. After Power-On Self-Test (POST), you only need to add the switch's Internet Protocol (IP) address. The remainder of the switch setup is automated. v Intelligent The switch fabric operating system enables discovery of all connected devices and determines optimum data paths without intervention, supporting up to 32 interconnected switches. v Flexible The switch contains multiple GBIC modules supporting fiber transmission media. It's modular design gives the switch a range of flexibility in creating, upgrading, maintaining, and configuring a fabric. v Reliable Highly integrated, reliable, multifunction (ASIC) devices are used throughout the switch. v High performance Low-latency, high-performance design enables a worst-case data-transfer latency of less than two microseconds from any port at peak Fibre Channel performance of 100 MB/sec. The latency may differ when the destination or device is a loop. v Automated congestion management Virtual channels enable the switch to use sophisticated congestion management techniques automatically. v Cascading Switches can be cascaded for large fabric support. v Universal The switch ports are designed to support F, FL, and E-port modes of operation with the software selecting the optimum mode of operation. SAN Data Gateway The SAN Data Gateway is an essential component of the SAN infrastructure. The gateway integrates storage and networking interfaces through a number of different technologies such as Fibre Channel point-to-point, Fibre Channel arbitrated loop, and small computer system interface (SCSI). The SAN Data Gateway connects an interface as either an initiator or a target. The gateway is a fully scalable product with Fibre Channel and SCSI interface options. Chapter 1. SAN solutions overview 9

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v
Hot-plug for easy configuration
v
Four additional slots available to support RAID levels 0, 1, 3, 5, 10
v
256 MB battery-backed cache
Fibre Channel switch
When using FAStT Storage Manager, you must have isolated paths to each
controller within the FAStT500 RAID Controller Enclosure Unit. This requires having
no inter-switch links (ISL) between the two 2109-S08 or 2109-S16 switches.
Prohibiting ISL is required because the Redundant Disk Array Controller (RDAC)
that is used by the FAStT Storage Manager software is not a multi-path driver and
can only failover between two paths.
The switch is a high-performance Fibre Channel gigabit switch with the following
features:
v
Simple
It is easy to setup and configure. After Power-On Self-Test (POST), you only
need to add the switch
’
s Internet Protocol (IP) address. The remainder of the
switch setup is automated.
v
Intelligent
The switch fabric operating system enables discovery of all connected devices
and determines optimum data paths without intervention, supporting up to 32
interconnected switches.
v
Flexible
The switch contains multiple GBIC modules supporting fiber transmission media.
It
’
s modular design gives the switch a range of flexibility in creating, upgrading,
maintaining, and configuring a fabric.
v
Reliable
Highly integrated, reliable, multifunction (ASIC) devices are used throughout the
switch.
v
High performance
Low-latency, high-performance design enables a worst-case data-transfer latency
of less than two microseconds from any port at peak Fibre Channel performance
of 100 MB/sec. The latency may differ when the destination or device is a loop.
v
Automated congestion management
Virtual channels enable the switch to use sophisticated congestion management
techniques automatically.
v
Cascading
Switches can be cascaded for large fabric support.
v
Universal
The switch ports are designed to support F, FL, and E-port modes of operation
with the software selecting the optimum mode of operation.
SAN Data Gateway
The SAN Data Gateway is an essential component of the SAN infrastructure. The
gateway integrates storage and networking interfaces through a number of different
technologies such as Fibre Channel point-to-point, Fibre Channel arbitrated loop,
and small computer system interface (SCSI).
The SAN Data Gateway connects an interface as either an initiator or a target. The
gateway is a fully scalable product with Fibre Channel and SCSI interface options.
Chapter 1. SAN solutions overview
9