Data Center Strategies for the CIO
Email Alerts
-
Guide to mainframe performance
Guide
-
Five questions on Linux and z/VM OS for mainframes
Mainframe expert and z/VM systems programmer sees continued growth for Linux in evolving mainframe environments. Feature
-
The future of mainframe systems and the x86 platform
X86 server virtualization is developing features similar to traditional mainframe systems, and while the two are drawing closer together, there are important differences. Special Report
-
The power of traditional mainframe technology
Mainframes are still much more powerful than virtualized distributed systems clusters. Slideshow
-
Traditional mainframe systems vs. x86 'software mainframe'
X86 server virtualization is developing features similar to traditional mainframe systems, and while the two are drawing closer together, there are still key differences. Slideshow
-
The resiliency of mainframe systems
Traditional mainframe systems continue to outperform, and are more secure, than even the most bleeding-edge x86 virtualization software. Slideshow
-
Cloud computing technology enables the 'software mainframe'
Virtual machines alone also do not constitute a software mainframe. Cloud computing technology makes the idea of a "software mainframe" a possibility. Slideshow
-
X86 platform narrows the gap
Traditional mainframe are still more powerful, but x86 systems are beginning to narrow the gap with high-end mainframe processors. Slideshow
-
X86 server virtualization and clouds on the horizon
The idea of a "software mainframe" doesn't seem so far off when you look at advanced automation and orchestration tools for distributed systems, increasing power and virtualization integration in commodity chips and the trend of scale-out computing. Slideshow
-
Vertical integration comes to x86 platform
Vertical hardware integration is also making its way into the x86 virtualization. Slideshow
- See more Essential Knowledge on Mainframe Linux, IBM System z
-
IBM's big iron sales down but mainframes not on way out, say experts
Does IBM's recent drop in mainframe sales indicate big iron modernization tools are gaining traction? News | 01 May 2012
-
SUSE Linux Enterprise 11 Service Pack 2 targets Solaris shops
SUSE shops are cautious after a long silence from the Novell post-Attachmate deal; experts say Linux has eclipsed Unix generally, but SUSE needs work. News | 28 Feb 2012
-
IBM welcomes Windows to zEnterprise mainframe family
As promised, IBM will support Windows Server as part of its zEnterprise BladeCenter Extension, or zBX. News | 09 Nov 2011
-
Mainframe shops hang on–for now
Connecting mainframe databases to the Web is nice, but mainframers want more. News | 19 Sep 2011
-
IBM zEnterprise 114: Hot or not?
Will the zEnterprise 114 appeal to IT pros in mainframe shops that run new workloads or hard-core mainframe traditionalists? News | 12 Jul 2011
-
IBM launches mainframe job board: News in brief
Mainframe pros get a new source for System z jobs, and other data center news. News | 13 Jun 2011
-
IBM promises Windows on mainframe: News in brief
IBM will support Microsoft Windows and Linux running in its zEnterprise BladeCenter Extension this calendar year. News | 26 Apr 2011
-
Not so fast: IBM pushes mainframe toward the cloud
Big Blue moves mainframes forward with cloud technologies and incorporates x86 server compatibility. News | 23 Mar 2011
-
Traditional mainframe, meet the x86 'software mainframe'
X86 server virtualization is developing features similar to the traditional mainframe, and the distributed systems and mainframe worlds are drawing closer together in the cloud. News | 23 Mar 2011
-
IBM adds WebSphere to zBX repertoire: News in brief
IBM qualifies WebSphere for its zEnterprise caboose, AMD cranks the Opteron 6100 clock, and HP offers soup-to-nuts data center build-out services. News | 16 Feb 2011
- See more News on Mainframe Linux, IBM System z
-
Look deeper into mainframe debugging techniques with the SLIP command
Learn how to set traps with mainframe debugging tools like the SLIP command to spring traps on program errors. Tip
-
Setting traps with SLIP, king of the mainframe debugging tools
How to use SLIP, one of the best mainframe debugging tools, to set traps for annoying bugs. Tip
-
Update legacy mainframe assembler programs to make them LE compliant
Modernizing that old mainframe assembler program you depend on can be problematic. Here’s the best way to make them Language Environment compliant. Tip
-
Tweak Linux swap to improve server performance
Many administrators ignore or underutilize the Linux swap settings but making the proper adjustments will make for better system performance. Tip
-
IBM DB2 10 upgrade delivers improvements to all database users
IBM DB2 10 users report the upgrade can cut administration costs, boost mission-critical apps and bring other benefits to your business. Tip
-
Changes to z/OS 1.13 help Java adoption and boost mainframe capacity
Updates to zFS, better Java performance and tweaks to z/OSMF make IBM's z/OS 1.13 a solid release for developers. Tip
-
Using agile development to boost mainframe performance
Cutting the time to fix bugs and release new versions with agile development on mainframes offers a variety of benefits. Tip
-
Techniques to extract and analyze CMF mainframe performance data
Administrators can use DFH$MOLS and Rexx to process mainframe performance data then import in Excel to do the analysis. Tip
-
Tune the Linux Ext4 file system for optimal performance
While Ext4 by default works fine for most people, follow these tips to tweak your servers to squeeze out even more speed. Tip
-
Punch up database performance by reorganizing data
A well-timed mainframe database reorg can result in much improved response. Tip
- See more Tips on Mainframe Linux, IBM System z
-
Solve the startup error 00161 and 00163 with IBM TP600?
Error 00161 on an IBM TP600 may be due to a faulty CMOS battery, and 00163 may relate to your version of utility PS2 EXE. Answer
-
Print Partitioned Data Set (PDS) sequentially
The IEBPTPCH utility on MVS can help you to print the members of a Partitioned Data Set (PDS) together in a sequential data set. Answer
-
FTP, JCL to append several files simultaneously
Use FTP and the Job Control Language to place several files on the same directory and append them all to the mainframe. Answer
-
SEARCH and CONTINUE statements in COBOL
The COBOL Language Reference Manual online gives information on the SEARCH and CONTINUE statements. Answer
-
Troubleshooting mainframe to Linux FTP
Programming expert Mark Zelden offers some coding help to a user trying to FTP files from the mainframe to a Linux OS. Ask the Expert
-
Storage page/page fault
A reader was concerned about the repeated use of size of SECTION and his runtime footprint in his legacy system. Expert Mark Zelden has a solution. Answer
-
COBOL program that will run in z/OS and open in MS-Word
I want to write a COBOL program that will run in z/OS and create a sequential file that can then be FTP'd to a network drive and opened with MS-Word (MS-Office 2003) as a fully formatted Word document with page headers, tables, and paragraphs. Help?... Ask the Expert
-
Running Linux on the bare metal, part 2
In your response to the person who asked you about running LINUX bare on a mainframe, it seemed to be that you politely understated the case.... Ask the Expert
-
Which Linux distro is most mainframe worthy
Which Linux distro is the best choice for the mainframe? Ask the Expert
-
Can you run Linux on bare metal on the mainframe?
Running Linux on bare metal on the mainframe. Ask the Expert
- See more Expert Advice on Mainframe Linux, IBM System z
-
zAware
zAware is a mainframe monitor for IBM’s zEnterprise EC12 mainframe server. Definition
-
IBM Roadrunner
Roadrunner is the fastest supercomputer in the world, twice as fast as Blue Gene and six times as fast as any of the other current supercomputers. IBM developed Roadrunner for the Los Alamos National Laboratory in New Mexico. (Continued...) Definition
-
screen scraping
Screen scraping is programming that translates between legacy application programs (written to communicate with now generally obsolete input/output devices and user interfaces) and new user interfaces so that the logic and data associated with the le... Definition
-
hard drive overwriter
In e-cycling, a hard drive overwriter is a program or utility that repeatedly overwrites the data on a computer's hard drive with gibberish. Definition
-
z990 (T-Rex)
The z990, also known by its code name T-Rex, is a 64-bit mainframe computer from IBM that contains 32 processors, together capable of executing approximately 9,000 million instructions per second (MIPS), nearly three times the processing power... Definition
-
job
In certain computer operating systems, a job is the unit of work that a computer operator gives to the operating system. Definition
-
ESCON (Enterprise Systems Connection)
ESCON (Enterprise Systems Connection) is a marketing name for a set of IBM and vendor products that interconnect S/390 computers with each other and with attached storage, locally attached workstations, and other devices using optical fiber technolog... Definition
-
Helene Armitage keynote address at Share conference, San Jose, 2008
This video features the keynote address of Helene Armitage of IBM, who delivered her keynote address at the Share user group conference in San Jose in August 2008. Key topics include cloud computing and virtualization. Video
-
zAware
zAware is a mainframe monitor for IBM’s zEnterprise EC12 mainframe server. Definition
-
Look deeper into mainframe debugging techniques with the SLIP command
Learn how to set traps with mainframe debugging tools like the SLIP command to spring traps on program errors. Tip
-
Setting traps with SLIP, king of the mainframe debugging tools
How to use SLIP, one of the best mainframe debugging tools, to set traps for annoying bugs. Tip
-
Update legacy mainframe assembler programs to make them LE compliant
Modernizing that old mainframe assembler program you depend on can be problematic. Here’s the best way to make them Language Environment compliant. Tip
-
Tweak Linux swap to improve server performance
Many administrators ignore or underutilize the Linux swap settings but making the proper adjustments will make for better system performance. Tip
-
IBM DB2 10 upgrade delivers improvements to all database users
IBM DB2 10 users report the upgrade can cut administration costs, boost mission-critical apps and bring other benefits to your business. Tip
-
Changes to z/OS 1.13 help Java adoption and boost mainframe capacity
Updates to zFS, better Java performance and tweaks to z/OSMF make IBM's z/OS 1.13 a solid release for developers. Tip
-
IBM's big iron sales down but mainframes not on way out, say experts
Does IBM's recent drop in mainframe sales indicate big iron modernization tools are gaining traction? News
-
Guide to mainframe performance
Guide
-
Using agile development to boost mainframe performance
Cutting the time to fix bugs and release new versions with agile development on mainframes offers a variety of benefits. Tip
- See more All on Mainframe Linux, IBM System z
About Mainframe Linux, IBM System z
New applications for the mainframe have emerged, adding depth to mainframe computing power. Check out our tutorials and news on Linux and SOA on the mainframe.