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Cisco MDS 9000 Intelligent Fabric Applications

Cisco MDS 9000 I/O Accelerator Package

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Product Overview

The Cisco® MDS 9000 I/O Accelerator (IOA) Package provides Small Computer System Interface (SCSI) acceleration to dramatically improve the number of SCSI I/O operations per second over long distances spanned by Fibre Channel or Fibre Channel over IP (FCIP) by reducing the effect of transport latency on the processing of each operation.

Features

The Cisco MDS 9000 IOA Package provides the following features:

• Transport agnostic: The Cisco MDS 9000 IOA Package provides a unified solution to accelerate I/O operations over metropolitan area networks (MANs) and WANs.

• IOA as a fabric service: IOA service units (interfaces) can be located anywhere in the fabric and can provide acceleration service to any port.

• Speed independent: IOA can accelerate 1-, 2-, 4-, 8-, and 10-Gbps links and consolidate traffic over 8- and 10-Gbps Inter-Switch Links (ISLs).

• Write acceleration: IOA provides disk write acceleration for Fibre Channel or FCIP networks. Write acceleration significantly reduces latency and extends distance for disk replication.

• Tape acceleration: IOA provides tape acceleration for Fibre Channel or FCIP networks. Tape acceleration improves the performance of tape devices and enables remote tape vaulting over extended distances for data backup for disaster-recovery purposes.

• Compression: Compression in IOA increases the effective MAN and WAN bandwidth without costly infrastructure upgrades. By integrating data compression in IOA, more efficient Fibre Channel- and FCIP-based business-continuity and disaster-recovery solutions can be implemented without the need to add or manage a separate device.

• High-availability and resiliency: IOA combines PortChannels or Equal Cost Multipath (ECMP) with disk and tape acceleration for higher availability and resiliency.

• Lightweight Reliable Transport Protocol (LRTP): IOA uses LRTP to protect higher-level applications against packet losses caused by physical link failures. LRTP provides retransmit capability to recover from error conditions, and it provides reliability and in-order delivery to protect against any packet loss so that the end application is not affected.

• Service clustering: IOA service can be clustered to deliver redundancy and load balancing for I/O acceleration.

• Transparent insertion: IOA requires no fabric reconfiguration or rewiring and can be transparently turned on by enabling the Cisco MDS 9000 IOA Package license.

• Intuitive provisioning: IOA can be easily provisioned using Cisco Fabric Manager.

Supporting Hardware

The Cisco MDS 9000 IOA Package is supported on the following three hardware modules:

• Cisco MDS 9000 18/4-Port Multiservice Module (MSM)

• Cisco MDS 9000 16-Port Storage Services Node (SSN-16)

• Cisco MDS 9222i Multiservice Modular Switch

Software Release

To use the Cisco MDS 9000 IOA Package features on the Cisco MDS 9000 18/4-Port Multiservice Module, Cisco MDS 9000 NX-OS Release 4.2(1) or later must be installed on a Cisco MDS 9000 Family switch.

License Information

The Cisco MDS 9000 IOA Package is licensed per service engine and is tied to the chassis. The number of licenses required is equal to the number of service engines on which the intelligent fabric application is used.

Ordering Information

The product identification numbers associated with this package are as follows:

• On Cisco MDS 9000 18/4-Port Multiservice Module:

– M92IOA184= Cisco MDS 9000 Family I/O Accelerator Package license for MSM-18/4 on Cisco MDS 9200, spare

– M95IOA184= Cisco MDS 9000 Family I/O Accelerator Package license for MSM-18/4 on Cisco MDS 9500, spare

• On Cisco MDS 9000 16-Port Storage Services Node:

– M92IOASSN= Cisco I/O Accelerator license (1 engine) for SSN-16 on Cisco MDS 9200, spare

– M95IOASSN= Cisco I/O Accelerator license (1 engine) for SSN-16 on Cisco MDS 9500, spare

• On Cisco MDS 9222i base switch

– M9222IIOA= Cisco I/O Accelerator license for Cisco MDS 9222i base switch, spare

For More Information

The Cisco MDS 9000 NX-OS Software data sheets are available at http://www.cisco.com/en/US/products/hw/ps4159/ps4358/products_data_sheets_list.html. For more information about Cisco MDS 9000 NX-OS Software and Cisco storage products, visit http://www.cisco.com/go/nxos and http://www.cisco.com/go/storage.