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236 VM/HSC 6.0 System Programmer’s Guide
1st ed., 6/30/04 - 312579601
Directory Rebuild Utility
The Directory Rebuild utility provides a means to rebuild the database directory for all
defined CDS copies.
Prerequisites
The stand-alone Directory Rebuild utility:
• runs under the control of the SLUADMIN utilities program
• may be run while the CDS-related HSCs are STOPped
• must be run using all CDS copies as input.
Reasons for Running the Directory Rebuild Utility
The major purpose of the Directory Rebuild utility is to repair a corrupted CDS database
directory when the HSC is not active. Normally, the HSC corrects errors automatically.
How the Directory Rebuild Utility Functions
The utility performs the following processing to rebuild the database directory:
• opens the control data sets specified by the SLSCNTL, SLSCNTL2, and SLSSTBY
DD statements
• locates invalid pointers, directory entries, and recovery data
• rewrites corrected blocks to all CDS copies.
Syntax
Utility Name
DIRBLD
specifies that directory rebuild processing is to be performed and invokes the
SLUDRDIR module.
Parameters
None.
JCL Requirements
The following definitions apply to the DIRBLD utility JCL:
SLSPRINT
output messages from the utility program.
DIRBLD
Directory Rebuild