> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of McKown, John
>
> Only z/OS is stuck on ECKD formatted DASD. z/VM and z/VSE can
> both run on FBA. z/LINUX can run on FBA and/or on SAN/SCSI
> DASD. I think that the latest z/VM can also run on SAN/SCSI
> connected DASD as well. z/OS remains the hold out. For
> whatever reason that may be.
Weaning z/OS from (E)CKD would likely be such a monumental change as to
require that it be done at a version boundary and provide perhaps an
entire version life-cycle to complete.
"Who knows" how much non-IBM code would have to be revisited during the
transition? More than a few CBT utilities would be relegated to the
dustbin of history.
It's probably also true that the longer such a transition is delayed,
the less likely it is to be attempted.
-jc-
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