On Wed, 27 Feb 2008 10:39:52 -0800 (PST), in bit.listserv.ibm-main you wrote:
>Disk volumes can now be up to 262668 cylinders. Where did they get >that number? It would make sense if it were slightly less than a >power of two (e.g. 262144), but that number is slightly more than a >power of two. > >Are channel programs changing the cylinder designation from 16 bits to >32 bits? > >If they wanted to increase the capacity of a volume, why not simply >increase the number of tracks-per-cylinder? If I gotta re-write my >code for more than 65535 cylinders, I might as well re-write my code >for more than 15 tracks. All of this to avoid getting FBA, improving ESDS by among other things giving GDG function to them, and making PDSE a base data type rather than a Started Task add-on. Clark Morris ---------------------------------------------------------------------- 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
