if your checkpoint can support it I say go for it. 

from the $DACTIVATE 



$DACTIVATE 
JES2 CHECKPOINT MODE IS CURRENTLY Z11 
THE CURRENT CHECKPOINT: 
-- CONTAINS 13099 BERTS AND BERT UTILIZATION IS 5 
PERCENT. 
-- CONTAINS 1296 4K RECORDS. 
z22 CHECKPOINT MODE ACTIVATION WILL: 
-- EXPAND CHECKPOINT SIZE TO 1366 4K RECORDS. 



I've never hear any issues once any issues with CKPT and SPOOLDEF have been 
resolved 


Carmen Vitullo 

----- Original Message -----

From: "Todd Burrell" <todd_burr...@csx.com> 
To: IBM-MAIN@LISTSERV.UA.EDU 
Sent: Wednesday, February 21, 2018 12:41:43 PM 
Subject: Re: Any issues with $ACTIVATE,LEVEL=Z22 command 

Yeah - we're planning on doing both at the same time ($TSPOOLDEF and 
$ACTIVATE). 


-----Original Message----- 
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Carmen Vitullo 
Sent: Wednesday, February 21, 2018 1:39 PM 
To: IBM-MAIN@LISTSERV.UA.EDU 
Subject: Re: Any issues with $ACTIVATE,LEVEL=Z22 command 

forgot to mention CYL_MANAGED support can be changed dynamically 


$T SPOOLDEF,CYL_MANAGED=ALLOWED 



Carmen Vitullo 

----- Original Message ----- 

From: "Carmen Vitullo" <cvitu...@hughes.net> 
To: IBM-MAIN@LISTSERV.UA.EDU 
Sent: Wednesday, February 21, 2018 12:34:58 PM 
Subject: Re: Any issues with $ACTIVATE,LEVEL=Z22 command 

no problems on my test system after expanding my checkpoint but my production 
systems MAS I get 

$HASP895 z22 ACTIVATION WILL FAIL IF ISSUED FROM THIS MEMBER. 
$HASP895 THE FOLLOWING ISSUES PREVENT ACTIVATION: 
$HASP895 -- CYL_MANAGED SUPPORT MUST BE ACTIVATED. 
I'm in no rush right now to get to z22 mode 







Carmen Vitullo 

----- Original Message ----- 

From: "Todd Burrell" <todd_burr...@csx.com> 
To: IBM-MAIN@LISTSERV.UA.EDU 
Sent: Wednesday, February 21, 2018 12:27:11 PM 
Subject: Any issues with $ACTIVATE,LEVEL=Z22 command 

We've done the $ACTIVATE,LEVEL=Z22 command on our test system and seen no 
issues, but I wanted to run it by this group to see if there have been any 
issues that anyone has seen when doing this? I've checked our CHECKPOINT's and 
they have plenty of room. We will also be doing the 
$TSPOOLDEF,CYL_MANAGED=ALLOWED command at the same time. 
Thanks 
Todd Burrell 

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