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What does the symbol "FSEQN" stand for in IDCAMS's

 
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feng hao

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Joined: 26 Mar 2008
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PostPosted: Fri Oct 31, 2008 1:13 pm    Post subject: What does the symbol "FSEQN" stand for in IDCAMS's
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I just used "listcat entries('dataset name')all" , and by the return code check if the dataset is existing. And there is an item called 'fseqn' which I don't konw the meaning.
I get the value 0 for it, and found that it may have 1 instead, as for others I don't know.
I have tried to get it from google and redbook but failed, so please anyone could help me get it out?[/img]
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enrico-sorichetti

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PostPosted: Fri Oct 31, 2008 2:02 pm    Post subject: Reply to: What does the symbol "FSEQN" stand for i
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why don' t You try the idcams manual ??
the info is there!
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expat

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PostPosted: Fri Oct 31, 2008 2:03 pm    Post subject:
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Quote:
B.2.5 NVS: Non-VSAM Entry, Special Field

The special field for a non-VSAM data set describes a non-VSAM data set stored on magnetic tape.

FSEQN--The sequence number (for the tape volume indicated under the "VOLUMES group" keyword VOLSER) of the file in which the non-VSAM data set is stored.
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feng hao

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PostPosted: Fri Oct 31, 2008 2:38 pm    Post subject:
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Thanks a lot, both expat and enrico-sorichetti!
Does it mean that the dataset is storaged on DASD when the FSEQN=0,
and the dataset is storaged on tape when the FSEQN>0

Is this logic right?
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Bill Dennis

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PostPosted: Fri Oct 31, 2008 6:54 pm    Post subject:
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You might assume the FSEQN field determines TAPE vs. DASD, but the true indicator would be the DEVTYPE value.

X'xxxx20xx' is DASD and
X'xxxx80xx' is TAPE.
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feng hao

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PostPosted: Mon Nov 03, 2008 2:24 pm    Post subject:
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Thx a lot, Dennis!!
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