IBM Systems Magazine, Mainframe digital edition - September/October 2009 - (Page 51) drive, r unning a seek on that drive, moving the disk arm to the correct position and then waiting for the requested record to spin under the arm. A lthough today’s advanced H DDs can process around 150 operations per second, according to Barrera, that isn’t fast enough in high-transaction, small data-size environments, such as ATM banking or radio-frequency identification (RFID) -dependent operations. “W hen something is scanned using RFID,” Barrera says, “we’re only talking about a few bytes of data, but because there are so many transactions taking place in quick succession or simultaneously, we’re now talking about many, many operations per second—more than HDDs can handle in an efficient or costeffective manner.” One way to tack le this issue is to deploy more, cheaper HDDs. In this case, enter prises might deploy HDDs with operations per second in mind rather than storage capacity. enterprise applications. Similarly, writes to flash memory in laptops are constrained to “how fast your fingers can t ype,” Barrera remarks. Reads to flash memory don’t shorten its life, but the writes do, because flash cells have to be reprogrammed using a “zap” of voltage each time they’re written to. This operation damages cells; after a few hundred thousand operations, the cells will essentially die, no longer being able to accept writes. Over time, all of the cells on a flash module will become non-functional. This can become an unacceptable problem in hightransaction environments. Now available WORLDWIDE BIMONTHLY DIGITALLY and FREE! Smart Technologies For these reasons, many organizations are considering adding SSDs to their storage mix. Although they’ve been around for quite a while, the cost has been prohibitive for most organizations. This is in part because they were originally built using volatile dynamic random access memory (DR A M) and used bat ter y backups, making them, as Barrera notes, “up to a thousand times more costly than highperformance disk drives with equivalent storage capacity.” Simple flash memory, as used in cell phones, MP3 players and other consumer devices, is much cheaper than former SSD configurations, currently less than 10 percent of DRAM. But it isn’t fast enough for typical write applications and it has a short lifespan, limited to the number of writes it can sustain. In consumer electronics, this isn’t a big problem, because the number of writes to embedded flash is much smaller than those found in Get the CURRENT ISSUE NOW ibmsystemsmag.com/subscriptions Communicating what’s next in IBM technology SEPTEMBER/OCTOBER 2009 ibmsystemsmag.com/mainframe 51 http://www.ibmsystemsmag.com/subscriptions http://www.ibmsystemsmag.com/subscriptions http://www.ibmsystemsmag.com/mainframe Table of Contents for the Digital Edition of IBM Systems Magazine, Mainframe digital edition - August/September 2009 IBM Systems Magazine, Mainframe digital edition - August/September 2009 Editor's Desk: IBM Makes it Easy to be Green Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution Feature: Women in IT Team Up to Succeed Developer: Process XML Documents Within COBOL and DB2 SSDs Are Integral to Enterprise Storage Infrastructures Product News Advertiser Index Stop Run: Gordon Bruce Talks His Way Into a High-Profile IT Gig Reference Point 2010 Mainframe Buyer's Guide IBM Systems Magazine, Mainframe digital edition - August/September 2009 IBM Systems Magazine, Mainframe digital edition - August/September 2009 - (Page Intro) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page Cover1) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page Cover2) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page 1) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page 2) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page 3) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page 4) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page 5) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page 6) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - IBM Systems Magazine, Mainframe digital edition - August/September 2009 (Page 7) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Editor's Desk: IBM Makes it Easy to be Green (Page 8) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Editor's Desk: IBM Makes it Easy to be Green (Page 9) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package (Page 10) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package (Page 11) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package (Page 12) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package (Page 13) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package (Page 14) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package (Page 15) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control (Page 16) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control (Page 17) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control (Page 18) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control (Page 19) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control (Page 20) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control (Page 21) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment (Page 22) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment (Page 23) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment (Page 24) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment (Page 25) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment (Page 26) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment (Page 27) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 28) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 29) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 30) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 31) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 32) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 33) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 34) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure (Page 35) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution (Page 36) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution (Page 37) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution (Page 38) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution (Page 39) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution (Page 40) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution (Page 41) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: Women in IT Team Up to Succeed (Page 42) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: Women in IT Team Up to Succeed (Page 43) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: Women in IT Team Up to Succeed (Page 44) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Feature: Women in IT Team Up to Succeed (Page 45) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Developer: Process XML Documents Within COBOL and DB2 (Page 46) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Developer: Process XML Documents Within COBOL and DB2 (Page 47) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Developer: Process XML Documents Within COBOL and DB2 (Page 48) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Developer: Process XML Documents Within COBOL and DB2 (Page 49) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - SSDs Are Integral to Enterprise Storage Infrastructures (Page 50) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - SSDs Are Integral to Enterprise Storage Infrastructures (Page 51) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - SSDs Are Integral to Enterprise Storage Infrastructures (Page 52) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - SSDs Are Integral to Enterprise Storage Infrastructures (Page 53) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Product News (Page 54) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Advertiser Index (Page 55) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Stop Run: Gordon Bruce Talks His Way Into a High-Profile IT Gig (Page 56) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Stop Run: Gordon Bruce Talks His Way Into a High-Profile IT Gig (Page 57) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Stop Run: Gordon Bruce Talks His Way Into a High-Profile IT Gig (Page 58) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Stop Run: Gordon Bruce Talks His Way Into a High-Profile IT Gig (Page Cover3) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Stop Run: Gordon Bruce Talks His Way Into a High-Profile IT Gig (Page Cover4) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Reference Point (Page RF1) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - Reference Point (Page RF2) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BGCover1) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BGCover2) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG1) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG2) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG3) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG4) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG5) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG6) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG7) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG8) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG9) IBM Systems Magazine, Mainframe digital edition - August/September 2009 - 2010 Mainframe Buyer's Guide (Page BG10) IBM Systems Magazine, Mainframe digital edition - 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