tsm6 point-in-time restore to DR server question

We are on learning curve of bringing up our first TSM v6 server (6.2.1). We have a instance up and running. It's a single TSM instance running on AIX. It uses file devices to a DataDomain (via NFS). The DD replicates the storage pool, db backups, and the recovery plan to a second site. I'm now

queryoptimization - what is it?

We have 6.3 SQL TDPs that were getting: ACO5422E CSqlApi::GetSqlDatabaseInfoOpt3 errors, even if we excluded the databases causing the messages. Short story, the backup still looks like it fails, even though the databases we care about are getting backed up fine. Following Del's recommendation

tdpsqlc Return Codes?

Hi, Does anyone have a link to a IBM website where to find a spreadsheet/matrix of all return codes that tdpsqlc.exe sends back? Best Regards / Med vänlig hälsning Christian Svensson