Rick, Midrange storage considerably outstrips tape in the z/OS reliability standards arena, and there are several site that have found the economies of scale to use virtualized "cheap DASD" for exactly that purpose.
Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of > Rick Fochtman > Sent: Friday, October 08, 2010 12:36 PM > To: [email protected] > Subject: Re: [IBM-MAIN] When will MVS be able to use cheap dasd > > ---------------------------------<snip>------------------------------------: > > >A colleague and I were talking as we feel the powers to be are looking > >at "options other than the mainframe". The talk went to dollars and cents I > >stated the price of a z box has dropped big(for our size shop) but the cost > of > >purchasing dasd is still high along with maint. > >His question was why can't mvs use scsi or san dasd, VSE and VM can. > >We looked around the web could find nothing on it. > >Thoughts?? > >thanks > >Mace > > > > > -------------------------------------<unsnip>------------------------------- -- > My 2 cents worth: the "cheap DASD" doesn't live up to the reliability > standards that IBM demands for z/OS. Stop and think, really hard, about > the demands on z/OS DASD storage, as opposed to the "standards" you > enjoy with your PC DASD. How many of your PC's stay up, with DASD > spinning, on a 24/7 basis, for several years without problems? > > Rick > > ---------------------------------------------------------------------- > 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 ---------------------------------------------------------------------- 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
