On Mon, 18 Sep 2006 11:19:40 -0400, Petersen, Jim 
<[EMAIL PROTECTED]> wrote:

>We are converting to z/OS 1.7 and it seems as though on the z/OS 1.7
>LPARs we are now having problems with users not being able to Log On.
>We have found the culprit to be the way SYSIEFSD.Q4 is now used under
>z/OS 1.7.   We are having problems with tapes drives and when we have
>the Log On problem, we find that the Operators are not replying fast
>enough to the IEF238D Reply DEVICE NAME or 'CANCEL'  messages.   

AFAIK, Allocation is still single-threaded, and if one task goes into
allocation recovery, everyone else must wait.  This is not new.

Tom Marchant

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