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Release Notes for Cisco SN 5428-2 Storage Router, Release 3.5.1

OL-5241-02

LUN Trespass Feature

The SN 5428-2 LUN trespass feature provides LUN failover capability for selected storage arrays that
operate on the active/passive port model.The trespass feature has been tested with the following storage
arrays:

EMC Clarion 4500/4700

EMC Clarion Cx400

HP MSA1000, with firmware version 4.24

Installation Notes

This section describes how to obtain updated SN 5428-2 software and upgrade an existing SN 5428-2
software installation, and includes the following information:

Obtaining Updated Software and iSCSI Drivers, page 6

Determining the SN 5428-2 Software Version, page 7

Upgrading to a New Software Release, page 7

Obtaining Updated Software and iSCSI Drivers

Registered Cisco.com users can download the most current SN 5400 Series system software, Cisco
iSCSI drivers, readme files and release notes from Cisco.com. In addition, information about driver
compatibility and other relevant driver information is available on Cisco.com. You can access software
and related information by following these instructions:

Step 1

At

http://www.cisco.com

, log in to Cisco.com. Click Technical Support and Software Center.

Step 2

At the Software Center web page, under Software Products & Downloads, click Storage Networking
Software
.

Step 3

At the Storage Networking Software web page, click the appropriate link for your software.

Step 4

At the Software Download web page, click the file that you want to download. Another software
download web page will be displayed with detailed information about the download file and Cisco’s
Software License Agreement. Follow the instructions on that and any subsequent web pages to
download the software.

Step 5

To install and configure storage router software, see the appropriate storage router software
configuration guide and release notes. To install and configure an iSCSI driver, see the readme file that
accompanies the iSCSI driver (in the downloaded driver archive file) and the appropriate release notes.

Содержание SN 5428-2

Страница 1: ...The caveats are updated for every maintenance release and are located on Cisco com and the Documentation CD ROM Contents These release notes describe the following topics Introduction page 2 System Requirements page 4 Installation Notes page 6 New and Changed Information page 9 Limitations and Restrictions on SN 5428 2 Storage Router Clusters page 10 Caveats page 10 Related Documentation page 11 S...

Страница 2: ...e at http www ietf org With SCSI routing storage device access is managed primarily in the SN 5428 2 See Figure 1 Figure 1 SCSI Routing Transparent SCSI routing provides IP hosts with transparent access to intelligent storage arrays using iSCSI protocol that is each IP host is presented as an FC host to an intelligent storage array With transparent SCSI routing availability of storage devices is m...

Страница 3: ...s primary and optional secondary Gigabit Ethernet interfaces to the FCIP peer FCIP data compression enables the SN 5428 2 to dynamically compress FCIP data traffic for better channel bandwidth utilization FCIP SACK support uses selective acknowledgement SACK to overcome the limitations of recovering from multiple lost packets during a TCP transmission for FCIP instances configured as TCP clients o...

Страница 4: ...er Version Support page 5 Interoperability Information page 5 Network Equipment The Gigabit Ethernet interfaces on the SN 5428 2 Storage Router use a flow control mechanism for stopping and starting traffic that prevents the loss of data Flow control should also be turned on at the router s Gigabit Ethernet interfaces where the SN 5428 2 Storage Router is connected If the SN 5428 2 Storage Router ...

Страница 5: ...tware Initiator package version 1 03 or higher You can download the Microsoft iSCSI Software Initiator package which includes the Microsoft iSCSI initiator service and the Microsoft iSCSI Initiator software driver from http www microsoft com windowsserversystem storage technologies iscsi default mspx Interoperability Information SN 5428 2 interoperability information is available on Cisco com You ...

Страница 6: ...om In addition information about driver compatibility and other relevant driver information is available on Cisco com You can access software and related information by following these instructions Step 1 At http www cisco com log in to Cisco com Click Technical Support and Software Center Step 2 At the Software Center web page under Software Products Downloads click Storage Networking Software St...

Страница 7: ...sco Systems Inc Upgrading to a New Software Release For information about upgrading to new SN 5428 2 software using the CLI see the section Installing Updated Software in Chapter 11 Maintaining and Managing the SN 5428 2 Storage Router of the Cisco SN 5428 2 Storage Router Software Configuration Guide Release 3 5 To upgrade to new SN 5428 2 software using the web based GUI follow these instruction...

Страница 8: ...r configuration see the section Resetting the System in Chapter 11 Maintaining and Managing the SN 5428 2 Storage Router of the Cisco SN 5428 2 Storage Router Software Configuration Guide Release 3 5 For more information about static and dynamic modes for transparent SCSI routing see the section Summary of Configuration Process in Chapter 7 Configuring Transparent SCSI Routing of the Cisco SN 5428...

Страница 9: ...m Step 7 After the SN 5428 2 reboots verify that it is running the selected software See Determining the SN 5428 2 Software Version section on page 7 Step 8 Optional Click Maintenance and then click the Delete link to the right of the updated software in the Show Storage Router Software table to remove it from the SN 5428 2 Storage Router New and Changed Information This section describes new and ...

Страница 10: ...scsisouter The show debug scsirouter target iscsitrace command syntax was added Limitations and Restrictions on SN 5428 2 Storage Router Clusters This release includes the following restrictions on SN 5428 2 Storage Router clusters A cluster can be composed of up to two SN 5428 2 Storage Routers or one SN 5428 2 and one SN 5428 Storage Router A cluster can support up to 12 SCSI routing instances A...

Страница 11: ...tions and they will not be able to reconnect giving the appearance that the storage router is hung Workaround None This problem is resolved in software release 3 5 1 Related Documentation The following sections describe the related documentation available for Cisco SN 5428 2 Storage Router release 3 5 1 These documents consist of hardware installation and software configuration guides and platform...

Страница 12: ...ROM For documentation on the SN 5428 2 web based GUI refer to the SN 5428 2 Storage Router web based GUI online Help system Service and Support For service and support for a product purchased from a reseller contact the reseller who offers a wide variety of Cisco service and support programs described in Service and Support of Cisco Information Packet shipped with your product Note If you purchase...

Страница 13: ...explain how to obtain technical information from Cisco Systems Cisco com You can access the most current Cisco documentation on the World Wide Web at this URL http www cisco com univercd home home htm You can access the Cisco website at this URL http www cisco com International Cisco websites can be accessed from this URL http www cisco com public countries_languages shtml Ordering Documentation Y...

Страница 14: ...Cisco TAC website requires a Cisco com user ID and password If you have a valid service contract but do not have a login ID or password register at this URL http tools cisco com RPF register register do Opening a TAC Case Using the online TAC Case Open Tool is the fastest way to open P3 and P4 cases P3 and P4 cases are those in which your network is minimally impaired or for which you require prod...

Страница 15: ... this URL to visit the company store http www cisco com go marketplace The Cisco Product Catalog describes the networking products offered by Cisco Systems as well as ordering and customer support services Access the Cisco Product Catalog at this URL http cisco com univercd cc td doc pcat Cisco Press publishes a wide range of general networking training and certification titles Both new and experi...

Страница 16: ...urrent offerings in network training are listed at this URL http www cisco com en US learning index html This document is to be used in conjunction with the documents listed in the Related Documentation section Copyright 2004 Cisco Systems Inc All rights reserved Printed in the USA on recycled paper containing 10 postconsumer waste ...

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