About the bphdb directory on the Windows database client
The install_path\NetBackup\logs\bphdb directory contains log files.
The following types of logs exist:
db2_stdout.mmddyy.hhmmss.txt
Unless it is redirected elsewhere, NetBackup writes DB2 script output to this file.
db2_stderr.log.mmddyy.hhmmss.txt
Unless it is redirected elsewhere, NetBackup writes DB2 script errors to this file.
mmddyy.log
This log contains debugging information for the bphdb process. bphdb is the NetBackup database backup binary. It is invoked when an automatic backup schedule is run. NetBackup for DB2 uses this client process for DB2 script execution.