The following message is a courtesy copy of an article that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
[EMAIL PROTECTED] (Miklos Szigetvari) writes: > If someone can tell me the price of a CPU second in a larger z/OS system > (we discuss currently if 0.5% CPU usage is relevant or not ) part of the issue is total annual amortized capital costs (physical facilities, computers, disks, etc ) plus total annual expenses (utilities, telecom, power, water, software, people, etc) ... purely hypothetically $20m. old article that mentions dec2004, there were 1247,478 line items of software pricing: http://www.zjournal.com/index.cfm?section=article&aid=258 then the issue is how cost recovery is achieved ... is it solely based on processor time charges ... or are other resources, like number i/os and storage space utilization, also priced ... contributing to infrastructure cost recovery. even if it is just based on processor time charges (no other resource consumption billable charges) ... there is issue of capture ratio ... aka what percent of processor time actually shows up in accounting records. say processor avgs 50% busy, 7x24 ... and capture ratio is 50percent ... which could result in 42 processor billable hrs per week ... hypothetically 2184 billable hrs per year. then hypothetical break-even would be $2.55/billable-processor-second. if there were actually ten individual processors that made up the computer (CEC) ... then the actual billable processor hrs (in hypothetical example) could be ten times larger ... and break-even would be $.26/billable-processor-second. there was recent articles that some number of companies are putting in large datacenters around the columbia river ... some search engine results: http://www.isedb.com/db/blogs/1740/Size-Matters---Mega-Datacenters-Being-Built-Along-Columbia-River.html http://www.nytimes.com/2006/06/14/technology/14search.html /mosnas2.blogspot.com/2008/02/google-columbia-river-security-risk.html http://www.informationweek.com/galleries/showGallery.jhtml?galleryID=62 http://www.wired.com/wired/archive/14.10/cloudware_pr.html as student ... i had been brought in for the summer (as full time employee) to help get BCS going. BCS objective was to consolidate the internal datacenters ... sort of moving them from cost center to a P&L center ... at least on paper ... however, not just selling services internally ... but also enabled to sell/market services externally (some idea of showing billed revenue covering business unit costs). ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
