<excerpt> > IBM went gung ho for FBA, and then figured out how much it was going > to cost to rewrite big chunks of z/OS to tolerate FBA. </excerpt>
And are now re-writing ANYWAY! SAN demands it. Wish they had done it two decades ago. Z/OS is the only widely used OS that relies on tracks and blocks which was cool in MS-DOS for confusing the earliest SW pirates. (We now return to our less vindictive mode.) -- R; On Mon, 15 Aug 2005, David Boyes wrote: > > This is what the old Mainframers are familiar with as Fixed > > Block Architecture. IBM pushed it a couple of decades ago, > > but the Mainframe world was more comfortable with CKD > > The z/OS world, maybe -- mostly due to the massive assumptions of CKD in > z/OS. IBM went gung ho for FBA, and then figured out how much it was going > to cost to rewrite big chunks of z/OS to tolerate FBA. Customers loved FBA > as a concept, and still do -- and we're finally seeing the updates to z/OS > to tolerate it now that the comparitively high cost of CKD storage is a > visible blip in TCO. > > VM and VSE had no trouble with FBA (and still don't). > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
