Memorex LOCK - VERSION 2-24 Spezifikationen Seite 271

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Maintaining the DSN Catalog (TSIDUTL) Scratch Functions
Chapter. 6 Additional BIM-EPIC Utilities 6-15
SCRATCH [ SYSID=
xx
][ ,USERID=
yy
][ ,CPUID=z ][ ,TIME ][ ,NOTFND ]
[ ,THLDOPEN=
nn
][ ,DHLDOPEN=
nn
][ ,APURG=
nnn
][ ,SCRCMS]
[ ,DLAHOLD=
nn
]
DSCRATCH [ SYSID=
xx
][ ,USERID=
yy
][ ,CPUID=z ][ ,TIME ][ ,NOTFND ]
[ ,DHLDOPEN=
nn
][ ,DLAHOLD=
nn
]
TSCRATCH [ SYSID=
xx
][ ,USERID=
yy
][ ,CPUID=z ][ ,TIME ]
[ ,DLAHOLD=
nn
][ ,THLDOPEN=
nn
]
PSCRATCH
yyyyddd
[ ,SYSID=
xx
][ ,USERID=
yy
][ ,CPUID=z ]
APURG deletes BIM-EPIC dataset definitions (EDDs) that do not have any versions
associated with them, if no versions of those datasets have been processed in the last nnn days.
If you do not use the APURG parameter, these definitions remain in the DSN Catalog.
TSIDUTL lists the deleted EDDs in the Scratch Report.
CPUID limits the selection to versions belonging to the single digit CPU specified in the
CPUID startup configuration option.
DHLDOPEN and THLDOPEN determine the number of days to hold (retain) datasets in open
status. Specify the number of days after their creation date you want open datasets to be
retained. DHLDOPEN applies to disk datasets. THLDOPEN applies to tape datasets.
DLAHOLD specifies the minimum number of days that must have passed since the date of last
access before a version will be considered available for scratching. The larger of the DLA
value from the EDD of a version or the DLAHOLD operand value will be used to determine
minimum retention.
NOTFND (valid with SCRATCH and DSCRATCH only) removes disk versions from the
DSN Catalog even if their VTOC entries have already been erased or if the disk volume is not
mounted. A warning message will be issued for each version affected.
SCRCMS allows scratching of tapes used for CA-EPIC for CMS backup/archive files. Using
this parameter creates an EDD named ‘*EPIC/CMS.SCRATCH.DSN*’ and adds a version for
every CA-EPIC for CMS tape scratched. This information will be used to clean up the CMS
minidisk area used for backup information.
SYSID limits the execution to datasets belonging to the specified system ID.
TIME forces a minimum retention of 24 hours for all generation datasets.
USERID limits the execution to datasets belonging to the specified user ID.
yyyyddd (or yyddd) is the julian date for which PSCRATCH projects which datasets and tape
volumes will be scratched.
Syntax
Parameters
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