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MVS System Programing

 
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sarav80
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Joined: 20 Sep 2003
Posts: 13
Topics: 11
Location: Bangalore

PostPosted: Tue Sep 30, 2003 1:06 pm    Post subject: MVS System Programing Reply with quote

How to increase the maximum number of users in os/390?How to make the changes permanent?

Last edited by sarav80 on Wed Oct 01, 2003 12:39 pm; edited 1 time in total
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taltyman
JCL Forum Moderator
JCL Forum Moderator


Joined: 02 Dec 2002
Posts: 310
Topics: 8
Location: Texas

PostPosted: Tue Sep 30, 2003 1:42 pm    Post subject: Reply with quote

max users - jobs/tasks (maxuser parm in IEASYSxx)
max users - TSO users (usermax parm in TSOKEYxx)

both should be in the system parmlib

system command to change tso user max
modify tso,usermax=xxxx
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kolusu
Site Admin
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Joined: 26 Nov 2002
Posts: 12358
Topics: 75
Location: San Jose

PostPosted: Tue Sep 30, 2003 2:14 pm    Post subject: Reply with quote

A word of caution before you increase that maxuser number. For each allowed user specified at the MAXUSER parameter an amount of 50 bytes of CSA storage in subpool 231, key 0 below 16 MB will be allocated at system initialization time. Increasing the users may result in CSA shortages.You may also want to increase the CSA size

kolusu
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