We are trying to understand system behaviours for the following scenario.
When an all AMP backup is running for database AAA, a Mload Delete with ET table on database BBB starts.
All AMP backup put a read lock on the dictionary table dbc.errortbls. When Mload creates ET table, system will insert a record in dbc.errortbls and should encounter the read lock from backup user.
We are just wondering what is the system's behaviours now? Any help would be much appreciated!
Your scenario is wrong :)
dbc.errortbls is not used by Mload, it records Error Tables for MERGE, i.e. CREATE ERROR TABLE ...