Hi Wanda,

You can issue DB2 command:
db2 get dbm configuration

Then, look for the DIAGPATH. That is where the db2diag.log resides.

Diagnostic data directory path (DIAGPATH) = some direcotry name

If the diagpath does not have any directory specified, like this.

Diagnostic data directory path (DIAGPATH) =

You can do the following to set a directory for db2diag.log.

db2 update dbm configuration using diagpath the_path_you_want_to_use

Regards,

Jo Lay
TSM server Development
jolay AT us.ibm DOT com