Paul Ip pisze:
Hi all,
I know VVDS can be created Implicltly when a NON-SMS VSAM or a SMS
VSAM/nonVSAM is created under a 'NEW' volume.
However, It seems to me that the VVDS (an ESDS itself) is not required to be
cataloged (meanwhile, some of VVDS are under catalog [MCAT] since we've
run a IDCAMS DEFINE Explicltly)
Can anyone give me an advice on which manual tells us that a VVDS (an ESDS
itself) can be defined without under a catalog (while Using Datasets just tell
not have to be under Master Catalog)
In addition, under DSLIST, when I input 'SYS1.VVDS', then it shows me those
VVDS under catalog (with a *VSAM* cluster entry + a DATA component
entry). So those VVDS do not under catalog will not be shown. However, if I
input 'SYS1.VVDS.Vxxxxxx' (full name) then it shows me the VVDS (without a
*VSAM* cluster entry, just a DATA component entry)... is it normal?
note: under DSLIST, "Include Additional Qualifiers" is checked
In a few words:
1. Create VVDS explicitly. Implicit VVDS has default size. Nowadays you
can set up default size but default for default is TRK 10,10 - means
troubles.
2. VVDS is an exception for ICF cataloging and VSAM naming as well. It
is cataloged once, twice, or multiple times - it depends on datasets on
the volume. It is managed by ICF, you cannot change it (unless you have
add-on tools).
--
Radoslaw Skorupka
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