IBM Mainframe Discussion List <IBM-MAIN@BAMA.UA.EDU> wrote on 05/15/2008 
01:23:44 AM:

> Go to SDSF DA screen, look at all asids 
> and sort them by asid. There will be an asid in the upper 20 not 
> used (in my case it was x'10'). That was limited function CAS, the 
> one only capable of accessing the master cat. Full function CAS is 
> asid x'26' on that system.

  In z/OS 1.9, if you specify REUSASID(YES) in DIAGxx,
the CATALOG address space will use a reusable asid, so that your
asid x'10' could subsequently used by another reusable asid address
space.  So if you specify REUSASID=YES on the START command for 
LLA or VLF, it could use asid x'10'. 

  Also, CATALOG used to obtain a new system LX for each restart.
This was fixed in z/OS 1.9 so that CATALOG reuses its system LX.

Jim Mulder   z/OS System Test   IBM Corp.  Poughkeepsie,  NY

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