Tom,

======================
What I have been told is that z/OS no longer uses the alternate tracks, so
the reformat removes them from the VTOC.

Frankly, I haven't looked into this deep enough to know how you would ever
get a "bad" track since there is so little use of real 3390 disk volumes
anymore to cause z/OS to try and use an alternate track in the VTOC.
======================
I can't argue the point.

However, EMC requires "traditional" formatting,  My recollection is that it
has to do with certain IBM DASD models that DIDN'T have alternate tracks.

Michael

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO
Search the archives at http://bama.ua.edu/archives/ibm-main.html

Reply via email to