Another very good resource I just found! The description of all log files in ConfigMgr 2007. See bellow an example and follow the link for the full post: http://technet.microsoft.com/en-us/library/bb892800.aspx.
Management Point Log Files
If management points are installed in the site hierarchy, management point log files are stored in the SMS_CCMLOGS folder on the management point computer. The following table lists and describes the management point log files.
|Log File Name||Description|
|MP_Ddr.log||Records the conversion of XML.ddr records from clients, and copies them to the site server|
|MP_GetAuth.log||Records the status of the site management points|
|MP_GetPolicy.log||Records policy information|
|MP_Hinv.log||Converts XML hardware inventory records from clients and copies the files to the site server|
|MP_Location.log||Records location manager tasks|
|MP_Policy.log||Records policy communication|
|MP_Relay.log||Copies files that are collected from the client|
|MP_Retry.log||Records the hardware inventory retry processes|
|MP_Sinv.log||Converts XML hardware inventory records from clients and copies them to the site server|
|MP_Status.log||Converts XML.svf status message files from clients and copies them to the site server|