Re: Help! When is DASD I/O time equal to Subchannel Start Count?

2012-01-26 Thread Scott Chapman
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

Fw: Help! When is DASD I/O time equal to Subchannel Start Count?

2012-01-25 Thread Chip Grantham
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

Help! When is DASD I/O time equal to Subchannel Start Count?

2012-01-25 Thread Chip Grantham
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