Answer: When you are using FICON.
I took a quick look at a semi-random sample of my data and saw the same thing.
So I went to the SMF manual and found this for SMF30AIC:
DASD I/O connect time, in 128-microsecond units, for address
space plus dependent enclaves. Note that the value of RqsvAIC fo
List
01/25/2012 01:39 PM
Please respond to
IBM Mainframe Discussion List
To
IBM-MAIN@bama.ua.edu
cc
Subject
Help! When is DASD I/O time equal to Subchannel Start Count?
Has any one looked closely at the SMF30 Subtype 4 I/O section? I am
attempting to understand the current I/O problems on
Has any one looked closely at the SMF30 Subtype 4 I/O section? I am
attempting to understand the current I/O problems on our system. I am
focusing on SMF30 Subtype 4 records and the I/O Section. When looking at
SMF30AIC and converting from 128 micro seconds to milliseconds by
multipling by 128
3 matches
Mail list logo