I have 3 vols SPOOL1 SPOOL2 and SPOOL3

In jes2 parmlib member on the spool def for volume I specify SPOOL and yet 
after ipl'ing 

And then going back to SDSF to look for the  spool volumes are on still on the 
same pack



> On Mar 21, 2017, at 11:20 AM, Lizette Koehler <stars...@mindspring.com> wrote:
> 
> The best practice for JES2 Spool file is standalone.  Never put anything on 
> the
> same volume as either the SPOOL Space or the CKPT datasets.
> 
> That can lead to unintentional issues.
> 
> Many shops in the past have tended towards multi-use volumes with JES2.  This 
> is
> not recommended.
> 
> With storage arrays, you can code a volume as a MOD9 (9GB, 10,017 Cylinders) 
> and
> only place the ckpt or the spool space (not both) on it. The array will
> typically only hold the amount of storage on the mod9 as is allocated.  It 
> does
> not hold the entire 10,017 cylinders when you only have a 60 cylinder dataset 
> on
> it.  As the volume is grown - the array will allocate more space to that 
> device
> until it reaches its maximum size.
> 
> So, in my shop we have the ckpt on MOD3s and the Spool space on MOD54s.  The
> MOD3s only use a small portion for the ckpt as the ckpt is under 1000 
> cylinders.
> The MOD54s are maxed out as I have allocated the entire amount to the Spool
> space.
> 
> So even though there could be 3339 cylinders allocated for the MOD3, I am 
> using
> barely 15% of that.  So the volume is not very large even though it could be.
> 
> Or your shop could elect to create MOD1s - which is any size you wish to 
> define
> - for your ckpt and spool space to be considered stand alone.
> 
> When you start to mix files on volumes that should be dedicated - CA1 TMS, JES
> Spool or JES ckpt - you can enq that volume and cause issues to those 
> products.
> 
> 
> Worst case scenario you might encounter is the need to cold start jes2.
> 
> Lizette
> 
> 
>> -----Original Message-----
>> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
>> Behalf Of Joseph Reichman
>> Sent: Tuesday, March 21, 2017 5:47 AM
>> To: IBM-MAIN@LISTSERV.UA.EDU
>> Subject: Spool file
>> 
>> Hi
>> 
>> I'm having problems with my spool file
>> 
>> SYS1.HASPACE
>> 
>> 
>> It happens to be in the same pack as my parmlib And other important files
>> 
>> I'm wondering can the spool file be on any pack ?
>> 
>> Thanks
>> 
> 
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