>>> When the use percentage of VIRTUAL STORAGE exceeded a limit,
>>>   will be alerting operator.


Yesterday, CSA was insufficient, and hung up our system.
 System doesn't alert warning messages Even if CSA is insufficient.



---
MAKE :
  1. Assemble & link
  2. create cataloged procedure
     ---------------------------------------------
     //VSCHK   PROC
     //VSCHK   EXEC PGM=VSCHK
     //STEPLIB  DD DSN=your.load.module,DISP=SHR
     ---------------------------------------------


---
RUN:
 1. Start VSCHK from console.
    -> S VSCHK

 2. Display virtual storage map.
    -> F VSCHK,MAP

 3. End VSCHK.
    -> P VSCHK

 4. if CSA ( or SQA,ECSA, ESQA ) exceeded 80%
     WTO is written.


---
If you hope change limit.
 Find this line.

 Command : F '<- CHECK' (enter)