There "might" be some slight performance impact, and also check for any missing maintenance. That being said, we've had it turned on since zOS 1.12 and it's never caused a problem.

Mark Jacobs

Gibney, Dave wrote:

I asked for reasons to NOT turn it on.

As to my specific problem, there is a caveat in the documentation than indicates it isn't an immediate solution.
CA's that are empty when CA Reclaim is enabled are not reclaimed.
So, I would have needed to delete/reallocate my xCDS(s) anyway.
The same would apply to the user catalog I have with SMTP as HLQ. It is subject to growing because of the constantly increasing names.
It has already run up to 123 existing extents.


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]]
On Behalf Of Staller, Allan
Sent: Thursday, December 11, 2014 12:23 PM
To: [email protected]
Subject: Re: DFHSM BCDS Z/OS 1.13

Yes. For the exact problem you are currently encountering!


<snip>
CA Reclaim is a new feature I had not noticed. Since it is turned off by default,
I now need to ask:

Is there any reason not to turn it on?
</snip>


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