What is the difference between catalog and VTOC?

Virtual Storage Access method - ESDS, KSDS, RRDS & LDS. Basic direct access method, Basic sequential -, Queued sequential -, Basic partitioned -, Indexed sequential -, Object - access method.
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Rashmi Bansal
Registered Member
Posts: 11
Joined: Fri Jan 17, 2014 6:53 pm

What is the difference between catalog and VTOC?

Post by Rashmi Bansal »

Hi,

What is difference between Catalog and VTOC? When they both hold data set information - what different information do they store? Can one be replaced with other?
dick scherrer
Former Team Member
Posts: 62
Joined: Wed Aug 07, 2013 6:43 pm

Re: What is the difference between catalog and VTOC?

Post by dick scherrer »

No, one cannot replace the other.

To keep this basic:

One tells what is on a particular dasd volume serial number.

A catalog knows where datasets reside.
Hope this helps,
d
Rashmi Bansal
Registered Member
Posts: 11
Joined: Fri Jan 17, 2014 6:53 pm

Re: What is the difference between catalog and VTOC?

Post by Rashmi Bansal »

It's been a while but thanks.

Got this link also: http://pic.dhe.ibm.com/infocenter/zos/v ... Fi5031.htm
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