On 4/26/2011 4:12 PM, Rick Fochtman wrote:
--------------------------------------<snip>-------------------------
The traditional limitation to 2^16-1 = 65535 tracks is one more instance of
control-block overflow, here that of in an unsigned halfword field.
PDS support is 'functionally stabilized', i.e., frozen. For this and other
reasons it is thus---with the well-known exceptions of system data sets that
must be accessed shortly after an IPL---it is now usually better to use PDSEs.
-----------------------------------<unsnip>---------------------------
Not to mention the vast numbr of OEM programs that would be "broken" by a
change in the format of the answer from a NOTE request.
IBM extended the size of the information returned by NOTE some time ago from
three-byte TTRs to four-byte TTTRs. See the BLOCKTOKENSIZE= parameter.
--
Edward E Jaffe
Phoenix Software International, Inc
831 Parkview Drive North
El Segundo, CA 90245
310-338-0400 x318
[email protected]
http://www.phoenixsoftware.com/
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