How many 3390 cylinders does 1GB File take

new2cobol · New User Joined: 04 Jan 2006 Posts: 77 Location: Bangalore

If I have a 1GB file on the mainframe, how many 3390 cylinders does it take?

DavidatK · Posted: Tue May 09, 2006 10:44 pm

new2cobol,

There is more than just the total file size to take into consideration when determining the number of tracks or cylinders required.

Here are some tables you can use to figure this out.

3390 Track Capacity Table (Without Keys)

3390 Track Capacity Table in 3380 Mode (Without Keys)

Dave,