CA Dynam for VSE User Guide

DYNINFO Parameter List
Return codes:
18 no more versions for data set
32 syntax error (previous command was not SD, GD, DD, NX, or NG; or
DYNRQDVC is invalid; or DYNRQVER is not spaces and is not a valid
packed field - see DYNERCOD and DYNERLOC)
NX
Is used after an SD, GD, DD, NG, or NX call to return as many volumes or
extents as exist and will fit in DYNINFO, starting with the volume which follows
the last volume or extent retrieved. The data set and version information is
not rebuilt. This is functionally equivalent to a DD call for the same version
with the volume sequence number incremented by one, but is considerably
faster.
Required fields:
Optional fields:
None
None
Return codes:
22 no more volumes for version
32 syntax error (previous command was not SD, GD, DD, NG, or NX)
OE
Is used to set an option to ensure that no more than one volume or extent is
returned for a given data set version per call, regardless of how many will fit in
DYNINFO. This option, once set, only affects data set calls (SD, GD, DD, NG,
or NX). It is reset whenever the Catalog is reset explicitly by an RC call or
implicitly by logical end of file for a sequential or generic retrieve or by a
significant error (DYNRTCOD > 36).
If more than one volume or extent remains, DYNRTCOD will be set to 28.
DYGNVOL will always be equal to 1. DYNRTLEN always reflects the length in
bytes of DYNINFO necessary to accommodate all available volumes starting at
the relevant volume sequence number. DYGVOLS reflects the total number of
volumes or extents for the version.
Required fields:
Optional fields:
Return codes:
None
None
None
RC, RD, RV
Resets catalog processing. A subsequent sequential or generic retrieve will
start again from the beginning. All dynamic work areas and catalog buffers are
released and will be reallocated on a subsequent call. Automatically invoked on
logical end-of-file for sequential and generic retrieves and on significant errors.
Required fields:
Optional fields:
None
None
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