Comprehensive and Detailed Explanation From Exact Extract:
According to the official VMware Cloud Foundation Deployment Guide and VMware Cloud Builder troubleshooting documentation, theprimary log fileused for tracking and diagnosing bring-up and validation errors in a new VCF deployment is:
Exact Extract from VMware Documentation:
"The vcf-bringup-debug.log file records detailed information about all bring-up operations, including parameter validation checks, environment checks, and errors encountered during the deployment process. When a validation task fails in the Cloud Builder GUI, this log file provides the necessary diagnostic information to identify the cause of the error."
Why Not the Other Options?
B. sos.log:Used for SDDC Manager service health and not specific to Cloud Builder validation or deployment tasks.
C. domainmanager.log:Used for ongoing domain management and operations within SDDC Manager, not for Cloud Builder or bring-up process.
D. jsongenerator-<timestamp>.log:Related to the generation of JSON files from the parameter workbook, but not the source for in-depth validation or deployment errors.
Summary:
When a validation task fails during the deployment of a new VMware Cloud Foundation environment in Cloud Builder, the administrator should review thevcf-bringup-debug.logfile to diagnose and resolve the error, as directed by official VMware documentation.