Hello, 

     We are in the process of implementing zEDC compression for DFHSM on our
test system to more or less shake out issues. 

Questions have come up. 

1.      How to recover if there is a failure in deflation of a compressed
dataset.  We have a mixture of z/14 and z/15 processors.  
2.      For the z/15 processor, the footnote for the SMF 30 record indicates
that compression statistics are no longer recorded.  How do you measure
compression?  Is this also true for the SMF 14 and 15 records? 
3.      Regarding deflation, is there a noticeable performance/delay ?  

Any information would be greatly appreciated.  

Regards, 

 

Kenneth James Kripke

[email protected] <mailto:[email protected]>  


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