On 2018-09-04 11:08, Tom Marchant wrote:
On Fri, 31 Aug 2018 06:52:57 -0500, Jerry Callen<[email protected]> wrote:
Andrew Rowley wrote:
When using source control you STILL need to make sure that 2 people
are not updating the same file at the same time - it is just the
window that is smaller.
On z/OS you could solve that with DISP=OLD (though that's not practical
in all situations).
Not if you have some other process, such as with Zowe, that does not use
the ENQ that the system uses to prevent simultaneous updates.
This thread started off with a discussion regarding the use of
ISPF-style SPFEDIT ENQs for serialization. While those ENQs protect
against simultaneous updates by multiple ISPF users, they do not protect
against updates by other non-ISPF programs, such as IEBCOPY, IEBGENER,
or many others.
Using SPFEDIT ENQs in Zowe would have the same strengths and weaknesses
as using those ENQs in ISPF.
An ENQ convention can only truly be relied upon if all users of the
system follow that convention. SPFEDIT falls short in that.
--
Regards, Gord Tomlin
Action Software International
(a division of Mazda Computer Corporation)
Tel: (905) 470-7113, Fax: (905) 470-6507
Support: https://actionsoftware.com/support/
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