You would have to use a 2nd level system and detach minidisks and such that the 
2nd level system is using.

EREP gathers device i/o errors and CU notifications.

Regards,
  Alan


   Mariusz Walczak --- [LINUX-390] z/VM 540 - Simulate I/O error --- 
    From:"Mariusz Walczak" 
<[email protected]>To:[email protected]:Thu, Sep 29, 2016 11:57 
PMSubject:[LINUX-390] z/VM 540 - Simulate I/O error
  
    Hello,Lately I installed a PTF to EREP on second level z/VM. I'm looking 
for away to test the PTF. Do you know how to simulate hardware error and 
forceEREP to write records ?So far I tried...         - writing to the file 
simultaneously by 2 users.         - attempt to write on read-only mdisk        
 - write to file in a loop until mdisk space is out...but EREP doesn't catch 
that.Best 
regards,Mariusz----------------------------------------------------------------------For
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