IBM(R) Subsystem Device Driver Version 1.5.0.3-9 README for Linux February 9, 2004 ------------------------------------------------------------------------------- CONTENTS 1.0 About this README file 1.1 Who should read this README file 1.2 How to get help 2.0 Prerequisites for SDD 3.0 SDD change history 3.1 Defects Fixed 3.1.1 Common 3.1.2 ESS defects 3.1.3 SVC defects 3.2 New Features 3.3 Feature Details 3.4 Known issues 4.0 User license agreement for IBM device drivers 4.1 Background / Purpose 4.2 Definitions 4.3 License grant 4.4 Responsibilities 4.5 Confidential information 4.6 Limitation of liability 4.7 Termination 4.8 Representations and warranties 4.9 General provisions 4.10 Appendix A 5.0 Notices 6.0 Trademarks and service marks ------------------------------------------------------------------------------- 1.0 About this README file Welcome to IBM Subsystem Device Driver (SDD). This README file contains the most recent information about the IBM Subsystem Device Driver, Version 1 Release 5 Modification 0 Level 3-9 (SDD 1.5.0.3-9) for Linux. You should consult the SDD User's Guide to determine if the functionality described here applies to your product environment. See item 2 below. IBM recommends that you go to this Web site to get the most current information about this release of SDD: http://www-1.ibm.com/servers/storage/support/software/sdd.html You should carefully review the following information available through that site: 1. The most current README file. This will contain corrections to the readme file, corrections to the SDD User's Guide, and documentation updates made discovered since this copy of the README was prepared. 2. The SDD Users' Guide. Because SDD can be installed in so many different environments / configurations, detailed information about each environment is placed in the appropriate chapter of the SDD Users Guide. The 'Summary of Changes' section of the SDD Users' Guide can help you quickly determine if the latest changes affect you. 3. The Flashes. As we become aware of any information that is likely to impact a broad set of our customers, Flashes are prepared and posted on this site. You should review this section periodocally to see any new Flashes that have been posted since your last review. For prerequisites information, be sure to look in the SDD User's Guide as well as the prerequisites section of this readme file for the latest updates. 1.1 Who should read this README file This README file is intended for storage administrators, system programmers, and performance and capacity analysts. The information in this file only applies to customers who run: 1. ESS or SAN Volume Controller or SAN Volume Controller for Cisco MDS 9000 2. ESS and SAN Volume Controller 3. ESS and SAN Volume Controller for Cisco MDS 9000 1.2 How to get help Go to the following Web site for SDD technical support and for the most current SDD documentation and support information: http://www-1.ibm.com/servers/storage/support/software/sdd.html Go to the following Web site for the IBM ESS Open Systems support: http://www.storage.ibm.com/hardsoft/products/ess/supserver.htm Go to the following Web site for IBM TotalStorage SAN Volume Controller support: http://www.ibm.com/servers/storage/support/virtual/2145.html Go to the following Web site for IBM TotalStorage SAN Volume Controller for Cisco MDS 9000 support: http://www.ibm.com/servers/storage/support/virtual/2062-2300.html Call one of the following numbers to obtain nontechnical or administrative support, such as hardware and software orders, hardware maintenance, services contract of entitlement, and invoices: .For commercial or state and local support operations: 1-877-426-6006 (Listen to the voice prompts) .For business partner support operations: 1-800-426-9990 .For federal government support operations: 1-800-333-6705 ------------------------------------------------------------------------------- 2.0 Prerequisites for SDD One of the following combinations of linux distribution and associated vendor compiled binary kernel packages: Red Hat 7.x Linux (x86) with one of the following kernels: kernel-bigmem-2.4.18-24.7.x kernel-bigmem-2.4.18-27.7.x kernel-bigmem-2.4.20-28.7.x kernel-smp-2.4.20-28.7.x Red Hat Enterprise Linux 2.1 (x86) with one of the following kernels: kernel-enterprise-2.4.9-e.16 kernel-enterprise-2.4.9-e.25 kernel-enterprise-2.4.9-e.27 kernel-enterprise-2.4.9-e.30 kernel-enterprise-2.4.9-e.34 kernel-enterprise-2.4.9-e.35 kernel-summit-2.4.9-e.16 kernel-summit-2.4.9-e.25 kernel-summit-2.4.9-e.27 kernel-summit-2.4.9-e.30 kernel-summit-2.4.9-e.34 kernel-summit-2.4.9-e.35 Red Hat Enterprise Linux 3.0 (x86) with one of the following kernels: kernel-smp-2.4.21-4.EL kernel-smp-2.4.21-4.0.1.EL kernel-smp-2.4.21-4.0.2.EL SuSE SLES7 (x86) with kernel: k_smp-2.4.18-224 k_smp-2.4.18-281 SuSE SLES8 / UnitedLinux 1.0 (x86) with one of the following kernels: k_smp-2.4.19-233 k_smp-2.4.19-304 k_smp-2.4.19-333 k_smp-2.4.19-340 k_smp-2.4.21-138 SuSE SLES8 (ppc) with one of the following kernels:: kernel-ppc64-2.4.19-186 kernel-ppc64-2.4.19-219 kernel-ppc64-2.4.19-223 kernel-ppc64-2.4.19-231 kernel-ppc64-2.4.21-111 ------------------------------------------------------------------------------- 3.0 SDD Change History 1.5.0.3-9 o New kernel support levels (see above) o New unsupported kernel support levels (see below) 1.5.0.2-1 o New kernel support levels (see above) o New unsupported kernel support levels (see below) o Addpaths bugfix o Change RedHat Advanced Server references to Enterprise Linux 1.5.0.1-1 o New support for RedHat Advanced Server 3.0 (x86). Hugemem kernels are not supported, only smp. o Defect fix (see below) 1.5.0.0-7 o Defect fixes (see below) o Support for SVCCISCO o New kernel support levels (see above) o SuSE SLES8/UL1 package name change o 'datapath query wwpn' added =============================================================================== 3.1 Defects Fixed 3.1.1 Common 1.5.0.2-1 o 2269 Addpaths does not correctly add paths to open devices. 1.5.0.1-1 o 2237 Create vpath /dev entries with root.disk ownership and permission mode 660. 1.5.0.0-7 o 55252 Improve signal handling in SDDsrv o 2137 Deadlock in generic block ioctl handler o 51168 SDDsrv thread count race o 49109 SDDsrv not reclaiming of INVALID paths 3.1.2 ESS defects 3.1.3 SVC defects =============================================================================== 3.2 New Features 1.5.0.3-9 o New kernel support levels (see above) o New unsupported kernel support levels (see below) 1.5.0.2-1 o New kernel support levels (see above) 1.5.0.1-1 o New support for RedHat Advanced Server 3.0 (x86) 1.5.0.0-7 o Support for SVCCISCO o New kernel support levels (see above) o 'datapath query wwpn' added =============================================================================== 3.3 Feature Details 1.5.0.3-9 o Additional kernel levels are now supported. Please refer to the prerequisites section above for a complete listing of supported distributions and kernels. o NOTE: Modules for use with additional kernels are now provided. These kernel levels are not officially supported, but are included for user flexibility in migrating off the old RedHat 7.x and SuSE SLES7 distributions: kernel-smp-2.4.20-28.7 (RedHat 7.x) kernel-bigmem-2.4.20-28.7 (RedHat 7.x) k_smp-2.4.18-281 (SuSE SLES7) 1.5.0.2-1 o Additional kernel levels are now supported. Please refer to the prerequisites section above for a complete listing of supported distributions and kernels. o NOTE: SuSE SLES8 SP3 kernel support does not include support for more than 256 sd devices. o NOTE: Modules for use with additional kernels are now provided. These kernel levels are not officially supported, but are included for user flexibility in migrating off the old RedHat 7.x and SuSE SLES7 distributions: kernel-smp-2.4.20-24.7 (RedHat 7.x) kernel-bigmem-2.4.20-24.7 (RedHat 7.x) k_smp-2.4.18-281 (SuSE SLES7) 1.5.0.1-1 o New support for RedHat Advanced Server 3.0 (x86) at kernel levels listed in the prerequisites section above. Hugemem kernels are not supported, only smp. 1.5.0.0-7 o SVC for Cisco MDS 9000 storage is now supported in addition to SVC and ESS. o Additional kernel levels are now supported. Please refer to the prerequisites section above for a complete listing of supported distributions and kernels. o 'datapath query wwpn' will print a listing of adapter names and the associated fibre-channel world wide port name. =============================================================================== 3.4 Known Issues ------------------------------------------------------------------------------- 4.0 User license agreement for IBM device drivers NOTICE: PLEASE READ THIS AGREEMENT CAREFULLY BEFORE USING THE PROGRAM AND DOCUMENTATION. IBM(R) WILL ONLY LICENSE THIS PROGRAM AND DOCUMENTATION TO YOU IF YOU FIRST ACCEPT THE TERMS OF THIS AGREEMENT. BY USING THE PROGRAM AND DOCUMENTATION, YOU AGREE TO ABIDE BY THESE TERMS AND APPLICABLE COPYRIGHT LAWS. IBM LIMITS YOUR ACCEPTANCE OF THE PROGRAM AND DOCUMENTATION TO THE TERMS OF THIS AGREEMENT. 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