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Explain more detail on what is VOL and UNIT

 
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mrar_160

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Joined: 14 Sep 2005
Posts: 48

PostPosted: Tue Dec 19, 2006 1:11 pm    Post subject: Explain more detail on what is VOL and UNIT
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Hi all

I have question regarding unit and vol.

I have read meaning of unit and vol.
Unit : Request a device or group of device.
VOL : identifies a volume on which dataset resides or will reside

So, what i understand, unit can be a tape or disk.
But i am not clear what is meaning of VOL.
Need somebody to explain more detail on what is VOL?
And can anybody explain how these Unit and VOL work?

Tq.
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guptae

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Joined: 14 Oct 2005
Posts: 1187
Location: Bangalore,India

PostPosted: Tue Dec 19, 2006 1:49 pm    Post subject:
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Hi There,

Please go through

http://ibmmainframes.com/about100.html
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