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How many 3390 cylinders does 1GB File take

 
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new2cobol

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Joined: 04 Jan 2006
Posts: 77
Location: Bangalore

PostPosted: Tue May 09, 2006 5:31 pm    Post subject: How many 3390 cylinders does 1GB File take
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If I have a 1GB file on the mainframe, how many 3390 cylinders does it take?
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DavidatK

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Joined: 22 Nov 2005
Posts: 700
Location: Troy, Michigan USA

PostPosted: Tue May 09, 2006 10:44 pm    Post subject: Re: File size...
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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,
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