MFE TF Clone/Snap: VVDS Extent Count Is Incorrect When Using Parameter CONSOLIDATE_VOLUME
Resumo: Snapping a multi-volume striped dataset, using the "CONSOLIDATE" parameter the extent count stored in the target VVDS is incorrect.
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Sintomas
The target of a snapped dataset is not usable by FDR.
An FDRABR restore of a VSAM file that was backup up using snap failed. No error messages are issued, FDRABR recatalogs the non-VSAM catalog entry for the cluster indicating that not all the expected pieces of a multi-volume KSDS cluster were found.
The following are the snap dataset statements that are generated.
SNAP DATASET (SOURCE(AAAA.BBBBP.CCCCC) - TARGET(XXXX.ZZZZ.**) DATACLAS(DATACLS1) - EXTENT_ALLOCATION(YES,CONSOLIDATE_ALL) RECALCULATE_FREESPACE(YES) - DATAMOVER(ADRDSSU) REPLACE(Y) FORCE(N) HCPYMODE(SHR))
Causa
The code was incorrectly calculating the extent count and updating the VTOC with incorrect information when a CONSOLIDATE was performed.
Resolução
Workaround:
- Remove the "CONSOLIDATE" Parameter from the SNAP control statements.
Permanent Fix:
- For Mainframe Enablers 8.3, PTF SN83129 has been developed to correct the issue. It is available to download from Dell Online Support.
- For Mainframe Enablers 8.4, PTF SN84029 has been developed to correct the issue. It is available to download from Dell Online Support.
- For Mainframe Enablers 8.5, PTF SN85010 has been developed to correct the issue. It is available to download from Dell Online Support.
Produtos afetados
Mainframe EnablersPropriedades do artigo
Número do artigo: 000182098
Tipo de artigo: Solution
Último modificado: 01 out. 2025
Versão: 4
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