XVIII SAP Application Server on zLinux Considerations

1.Review the latest version of OSS Note 81737 for the supported Linux distribution.

2.Hardware requirements:

-IBM eServer zSeries z800, z900, z990, z890, z9, z9 BC, z9 EC

-Each Linux image requires disk space for boot and swap(20GB)

-Minimum 512 MB Central Storage

3.Software requirements:

-DB2 UDB for z/OS Version 8.1 or DB2 9

-z/VM 4.4 or higher (z/VM 5.3 is highly recommended)

-a 64 bit Linux distribution with glibc 2.2.4 and kernel 2.4.x is required.

-TCP/IP is the supported communication protocol

-NLS locales de_DE, en_US

-NFS

-C-Development Package

-PTF Requirements are in OSS Note 81737

4.Review the TCP/IP Connectivity Requirements starting on page 38 of the manual SAP R/3 on DB2 for OS/390 and z/OS Connectivity Guide SC33-7965-03.

5.OSS Notes:

81737

DB2/390 APAR List

563060

DB2/390: Kernel Parameter for Linux on zSeries

386605

SAP Memory Management for zSeries

6. Documentation:

SAP on DB2 UDB for OS/390 and z/OS: Implementing Application Servers on Linux for zSeries (SG24-6847-00)

SAP R/3 Installation on Linux for zSeries: IBM DB2 UDB for OS/390 and z/OS

Linux for IBM eServer zSeries and S/390: Distributions (SG24-6264-00)

Linux on IBM eServer zSeries and S/390: ISP/ASP Solutions (SG24-6299-00)

Linux for S/390 (SG24-4987-00)

Linux on zSeries and S/390: Systems Management (SG24-6820-00)

Additional Notes for installing SAP R/3 4.6 and up on the Linux Enterprise Server 8 for zSeries (ftp.suse.com/pub/projects/sap/SLES8/zSeries/SAP-en.pdf)

Copyright 2006 IBM Solutions Technical Sales (STS)

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IBM DB2 9, DB2 V8 manual Nfs

DB2 V8, DB2 9 specifications

IBM DB2 is a family of data management products that provide powerful capabilities for managing large amounts of data. Among its various versions, DB2 9 and DB2 V8 stand out due to their advanced features and technologies that cater to both enterprise needs and modern database requirements.

DB2 9, also known as "Viper," was a significant release that brought substantial enhancements to the database management system. One of its standout features is its support for XML data. This version introduced a native XML storage architecture, allowing users to store, retrieve, and manage XML data efficiently. The advanced query capabilities for XML data made it easier to integrate both structured and unstructured information into applications.

Another notable aspect of DB2 9 is its enhanced security features. It introduced features like label-based access control, ensuring that sensitive data could be properly managed according to the security policies of an organization. This version also included a transparent data encryption mechanism, protecting data at rest without impacting performance.

DB2 V8, released prior to DB2 9, presented several key features that had a lasting impact on database technology. One of its major advancements was the introduction of pureXML, which laid the groundwork for handling XML data. DB2 V8 also provided improved performance through enhancements such as table partitioning, which allowed for more efficient data organization and retrieval.

Additionally, DB2 V8 emphasized high availability and disaster recovery, incorporating features like DB2 HADR (High Availability Disaster Recovery). This allowed organizations to ensure data continuity even in the event of system failures, a critical aspect for enterprise environments that rely on uninterrupted access to their data.

Both versions of DB2 leveraged advanced technologies such as multi-version concurrency control (MVCC), which enhanced transaction integrity and performance. Their ability to support various platforms, including Linux, UNIX, and Windows, demonstrated IBM's commitment to providing flexible solutions tailored to different environments.

In summary, both IBM DB2 9 and DB2 V8 established a strong foundation in the database management ecosystem. With features focused on XML data management, enhanced security, performance improvements, and high availability, these versions have equipped organizations with the tools necessary to handle contemporary data challenges efficiently and effectively. Their legacy continues to influence database technology today, highlighting IBM's enduring impact on data management solutions.