This command is used when running the SVTSUTIL program to generate a list of all Virtual Volumes in VOLSER order that have been externalized to physical media. This is the only report that includes the Triplex or UNIX System Services (USS) information.
REPORT=BACKSTORE
Sample JCL can be found in HLQ.CCUUJCL (RPRTBACK).
The report includes group number, Virtual Volume size in megabytes, actual Virtual Volume size in megabytes, DASD buffer compression percentage, as well as the physical VOLSER, file sequence number, and owner ID for primary, duplex, and triplex external media. The final field on each line will be the first 17 bytes of the first dataset on the Virtual Volume. Virtual Volumes externalized to USS will indicate a VOLSER of USS along with a blank file sequence number and owner ID. The compression percentage is set to zero for any Virtual Volumes that do not contain compressed data. Totals of volumes, compressed volumes, and uncompressed volumes are displayed at the end, along with total uncompressed Virtual Volume size, total compressed size, and overall compression percentage. This report does not include Virtual Volumes that have not been externalized.
Note: You can run this report when CA Vtape is active or inactive. When CA Vtape is inactive, include the VCAT and Global DD statements.
Example of the REPORT=BACKSTOR Report
SVTSU0171I REPORT=BACKSTORE SVTSU1661I Accessing SVTS to identify GLOBAL VCAT and Local VCAT data sets Reason: GLOBAL DDName statement not defined VCAT DDName statement not defined SVTSU3093I Dynamic allocation successful for GLOBAL data set QAPROD.VT2.GLOBAL.VCAT SVTSU3093I Dynamic allocation successful for VCAT data set QAPROD.VT2.XE61.SVT4VCAT SVTSU3083I Obtaining backstore data objects from system catalog Backstore Report 2010.334 19:01:55 Virtual P R I M A R Y D U P L E X T R I P L E X Volser Grp Used Size Cmp Volser Fseq Owner Volser Fseq Owner Volser Fseq Owner DSNAME(17) ------ --- ---- ---- --- ------ ----- ---------------- ------ ----- ---------------- ------ ----- ---------------- ----------------- 107005 11 1032 1032 0 541051 137 000A3939FFF5C6C7 SVTS120.QASVT3.G1 107016 41 1032 1032 0 541413 79 0005D773FFFA288D SVTS120.QASVT3.G4 107017 41 1032 1032 0 541454 25 0001A8F9FFFE5707 SVTS120.QASVT3.G4 107018 11 1032 1032 0 541051 138 000A4960FFF5B6A0 SVTS120.QASVT3.G1 107019 11 1032 1032 0 541490 18 00016488FFFE9B78 SVTS120.QASVT3.G1 107020 11 648 648 0 542965 32 00021C9AFFFDE366 SVTS120.QASVT3.G1 107021 41 648 648 0 541454 21 0001855DFFFE7AA3 SVTS120.QASVT3.G4 107022 41 648 648 0 541413 73 00057099FFFA8F67 SVTS120.QASVT3.G4 Report was abbreviated to save space. Volume Count MB Size Cmp% TOTAL UNCOMPRESSED 305 336,948 TOTAL COMPRESSED 0 0 0 0% TOTAL 305 336,948 End of Backstore Report Log SVTSU3095I Dynamic unallocation successful for GLOBAL data set QAPROD.VT2.GLOBAL.VCAT SVTSU3095I Dynamic unallocation successful for VCAT data set QAPROD.VT2.XE61.SVT4VCAT SVTSU0172I REPORT=BACKSTORE SVTSUT60, RC= 0 SVTSU0173I Number of commands processed: 1 SVTSU0174I Highest condition code: 0
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