Data Center Strategies for the CIO
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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.
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Weighing centralized versus modular UPS in the data center
Power and cooling expert Robert Macfarlane explains the differences between central and modular UPS systems and discusses their merits and shortcomings.
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Dry pre-action fire suppression systems
Fire protection expert Lance Harry explains what a dry pre-action fire suppression system is and how it works.
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How to authenticate users using RACF for applications running in CICS Web support using existing sof
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Fixing a bottle neck between the switch and server rooms
I use Cisco 3500G and 2950G switches with BIC ports. I have fiber that comes to my switch room. However, I bottle neck from the 100' between my switch room and my server room by reducing the serv...
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NFPA 75: Raised floor fire protection
Utilizing separate suppression 'zones' for both above floor and sub-floor spaces is a common practice in areas where the subfloor contains a significant hazard/fuel load.
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Is your z/OS problem a known vulnerability?
Expert Mark Zelden tries to help a reader find out if his z/OS problem is a known vulnerability. When he can't find anything, he explains how to contact IBM in order to find out if it is a known p...
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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.
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FTP help
A reader wrote in asking for help with an FTP job. See what help expert Mark Zelden offered.
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Gas fire suppression systems
Expert Lance Harry explains what to consider when selecting a fire suppression system for your data center.
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Halon and FM-200, part two
A reader wrote in and pointed out that comparing the two technologies seemed strange, "one is almost legislated out of existence and the other is suspect." See how our expert responded.
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Selecting a sprinkler system: Dependent on local building code regulations?
Fire protection expert Lance Harry answers a question about building codes and sprinkler systems.
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What are the recommended standards for fire protection of data tapes?
SearchDataCenter's fire protection expert Lance Harry advises a member on the different methods available for putting out a fire in the data center, and suggests fire-proof walls or cabinets.
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Overheating servers
Expert Robert McFarlane explains why servers can overheat, and offers some suggestions on how to fix it--before it costs big money.
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UPS maintenance outage
A reader wrote in asking what the best practices were for running a data center when maintenance is being done to the UPS. See what expert Robert McFarlane had to say.
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TCP/IP problem
A z/OS newbie wrote in asking for help with TCP/IP addresses. Expert Mark Zelden tries to help and directs him to a place where he can read more about it.
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Performance without high DASD usage
Expert Mark Zelden tries to help one of our members find a way to maximize his data striping performance.
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Ethernet-converted printers
Expert Mark Zelden explains that the answer is in the software when it comes to varying on and off-line Ethernet-converted printers.
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More on power supplies
One of expert Robert McFarlane's answers has stirred up even more questions. Read this answer to find out more about power supplies.
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Pre-action dry pipe fire sprinklers versus wet pipe sprinklers
A reader wrote in wanting to know if pre-action dry pipe was still the standard in the data center. Expert Lance Harry responds.
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OpenFlow requires compliant hardware, software
An OpenFlow deployment requires switches and a controller that conform to the OpenFlow protocol, but interoperability is not guaranteed.
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Who controls the OpenFlow specification?
Developed by OpenFlow.org in 2011, the member-supported OpenFlow specification could significantly affect future data center networking procedures.
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What does OpenFlow mean for your data center?
The OpenFlow protocol helps push packets more efficiently as an increasing number of workloads try to fit through network pipes.
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