- If there are archive-related errors in the alert log (see step 2), stop reading this bulletin: Archiving problems always freeze the database. Review the error(s) and resolve the problem.
Example: the device may be full. Another common cause is that the ARCH process is stopped while the database is in
ARCHIVELOG mode.
Check this by connecting internal and typing ARCHIVE LOG LIST. If ARCHIVELOG mode and automatic archival is
DISABLED, that's the problem. Either restart the ARCH process by typing ALTER SYSTEM ARCHIVE LOG START
(or log_archive_start = true in init.ora) or shutdown, startup mount exclusive and ALTER DATABASE
NOARCHIVELOG
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