Actually, while IBM's IFASMFDP would fail with ABEND 002 on a broken VBS 
segment or block, 
even the first public version of SAS, in October, 1972, when it was still 
distributed in 
source code from the Department of Statistics at North Carolina State 
University, could 
read and recover SMF VBS files with broken segments, thanks to the brilliant 
implementation
by Tony Barr.

Barry

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Elardus Engelbrecht
Sent: Tuesday, June 11, 2013 5:07 AM
To: [email protected]
Subject: Re: FW: I/O Optimization

Barry Merrill wrote:

>NOT PARTICULARLY EFFICIENT, but met the requirments.

Of course. It is also not efficient when you need to recover lost SMF data. One 
broken record or block and the rest of the dataset are lost. [1] 

Groete / Greetings
Elardus Engelbrecht

[1] - I believe there is a program somewhere on the CBTTAPE which you can use 
to repair broken VBS datasets.

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions, send email to 
[email protected] with the message: INFO IBM-MAIN

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

Reply via email to