IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 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

IBM Systems Magazine, Mainframe digital edition - September/October 2009

Table of Contents for the Digital Edition of IBM Systems Magazine, Mainframe digital edition - September/October 2009

IBM Systems Magazine, Mainframe digital edition - September/October 2009
Table of Contents
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
COMPANY SHOWCASES: Learn more about some of the companies that develop and sell products for the mainframe
PRODUCT + SERVICE LAUNCHES: Get in-depth descriptions of some products in the guide
SUCCESS STORIES: These real-world examples show how mainframe business partners bring real value to companies
USING THE PRODUCT + SERVICE DIRECTORY: How to navigate the listings
Product + Service Directory: Hardware Listings
Product + Service Directory: Software Listings
Product + Service Directory: Services Listings
Product + Service Directory: Education Listings
INDEXES
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Intro
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - IBM Systems Magazine, Mainframe digital edition - September/October 2009
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Cover2
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 1
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Table of Contents
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 3
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 4
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 5
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 6
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 7
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Editor's Desk: IBM Makes it Easy to be Green
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 9
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Focus on Storage: System z, DS8000 and Tivoli Provide a Complete Encryption Package
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 11
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 12
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 13
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 14
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 15
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Trends: CICS Transaction Server 4.1 Helps Organizations, Compete, Comply and Control
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 17
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 18
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 19
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 20
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 21
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Case Study: Transzap Consolidates its Oracle Databases in a Virtualized Linux on Mainframe Environment
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 23
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 24
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 25
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 26
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 27
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Cover Story: IBM Poughkeepsie Green Data Center Showcases a Dynamic Infrastructure
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 29
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 30
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 31
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 32
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 33
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 34
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 35
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Feature: IBM Study Reveals the System z10 Provides a Cheaper, Easier-to-Manage Cloud Solution
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 37
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 38
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 39
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 40
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 41
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Feature: Women in IT Team Up to Succeed
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 43
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 44
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BRC1
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BRC2
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 45
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Developer: Process XML Documents Within COBOL and DB2
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 47
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 48
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 49
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - SSDs Are Integral to Enterprise Storage Infrastructures
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 51
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 52
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 53
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Product News
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Advertiser Index
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Stop Run: Gordon Bruce Talks His Way Into a High-Profile IT Gig
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Cover3
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Cover4
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Reference Point
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - RF2
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - 2010 Mainframe Buyer's Guide
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BGCover2
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG1
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG2
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG3
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG4
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG5
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - COMPANY SHOWCASES: Learn more about some of the companies that develop and sell products for the mainframe
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG7
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG8
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG9
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG10
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG11
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG12
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG13
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - PRODUCT + SERVICE LAUNCHES: Get in-depth descriptions of some products in the guide
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG15
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - SUCCESS STORIES: These real-world examples show how mainframe business partners bring real value to companies
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG17
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG18
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - USING THE PRODUCT + SERVICE DIRECTORY: How to navigate the listings
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Product + Service Directory: Hardware Listings
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG21
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Product + Service Directory: Software Listings
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG23
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG24
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG25
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG26
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG27
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG28
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG29
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG30
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG31
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG32
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG33
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG34
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG35
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG36
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BG37
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Product + Service Directory: Services Listings
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - Product + Service Directory: Education Listings
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - INDEXES
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BGCover3
IBM Systems Magazine, Mainframe digital edition - September/October 2009 - BGCover4
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