Solution : https://service.sap.com/sap/support/notes/490976 (SAP Service marketplace login required)
Summary : Key words : Related Notes :
This SAP Note addresses issues with the `brarchive` tool where it unexpectedly reports no offline redo log files available for processing despite their existence. Potential causes highlighted include corrupted `arch
processing br017e offline redo log file <log>, found br017w offline redo log file <log>, offline redo log files found, offline redo log file names, archiving previously written redo logs, log_archive_dest = /oracle/c11/saparch/c11arch, summary brarchive log arch<sid>, \oracle\c11\saparch\c11arch, lower log numbers exist, redo log numbers greater
152515 BRARCHIVE cannot find any files for saving 132551 Overflow log sequence numbers on NT 10170 BRARCHIVE does not find archive logs to save