Data Guard today
Today had noticed that redo logs were not being applied to standby. Checking live database alert log showed errors like:
Read More Data Guard todayToday had noticed that redo logs were not being applied to standby. Checking live database alert log showed errors like:
Read More Data Guard todayThe below SQL generates a SQL script that can be used to clone a database, putting tablespaces into hot backup mode one at a time. Run it on the source database, and edit the output to specify new target file and directory names, and change cp to rcp or scp if cloning to another server. […]
Read More Clone a databaseFor errors like: RMAN-03014: implicit resync of recovery catalog failed RMAN-06004: ORACLE error from recovery catalog database: RMAN-20035: invalid high recid You can switch the catalog over to a previous incarnation (before an open resetlogs): RMAN> list incarnation of database <database name>; RMAN> reset database to incarnation <incarnation number>; But that is only valid where […]
Read More NID to fix RMAN-20035: invalid high recidIf archived redo logs are (wrongly) deleted/moved/compressed from disk without being backed up, the rman catalog will not know this has happened, and will keep attempting to backup the missing archived redo logs. That will cause rman archived redo log backups to fail altogether with an error like: RMAN-06059: expected archived log not found, lost […]
Read More rman crosscheck archivelog all