> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Anne & Lynn Wheeler
>
> [ snip ]
>
> pure conjecture ... a possible motivation for not bothering with
> fine-tuning any (e)ckd support is that these days all (e)ckd devices
are
> really some form of FBA device with an additional eckd simulation
layer
> on top. Given native FBA device support ... going directly to the
native
> FBA device eliminates an extraneous eckd simulation layer (aka for any
> eckd device, an equivalent native FBA device could be used w/o the
> additional, unnecessary eckd layer).
>
> the ckd/eckd simulation layer continues to live on because MVS (& its
> descendants) have been unable to support the native devices.
"Unable", or "unwilling"? Many of your own posts on the topic suggest
the latter.
-jc-
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