ERROR OGG-02870 Missing log file: dirdat/aa000001. 2.1 Identify Missing File From the error message, note the trail file name and path (e.g., dirdat/aa000001 ). 2.2 Verify File Existence Go to the GoldenGate dirrpt or trail directory:

EXTTRAIL /path/to/trail, MEGABYTES 2000, ROLLOVERHOURS 12 Use tar or rsync to copy old trail files to a backup location before they are deleted. 4.3 Monitor Trail Disk Space Set up alerts when trail directory usage exceeds 80%. 4.4 Use PURGEOLDEXTRACTS Safely In ./GLOBALS or parameter file:

INFO EXTRACT <pump_name>, SHOWCH INFO REPLICAT <rep_name>, SHOWCH If Replicat is ahead of available trails, roll back sequence:

STOP REPLICAT REP1 ALTER REPLICAT REP1, EXTSEQNO 6, EXTRBA 0 START REPLICAT REP1 Verify with:

For :

ls -l /path/to/trail/dirdat/aa* If missing, check if older/newer files exist:

ALTER REPLICAT <rep_name>, EXTSEQNO <seq_no>, EXTRBA 0 START REPLICAT <rep_name> For (local or data pump) – if missing input trail: