redolog

Standby redologs in oracle dataguard

The Advantage of having Standby Redo Logs (SLR) is that every records written into the Online RedoLogs of the Primary Database is transferred to the Standby database and written into the Standby Redo ...

ORA-00392: log 7 of thread 1 is being cleared, operation not allowed

PROBLEM:   I was cloning a database from rman backup . After completion of cloning, when I did RESETLOG it failed with ORA-00392 error. RMAN> alter database open resetlogs; RMAN-00571: =====...

ORA-00350: log 4 of instance needs to be archived

PROBLEM: After restoring an RAC database to a standalone database through RMAN, we tried to drop the redolog groups belongs to thread 2. We hit the below error. SQL> alter database drop logfile gro...

Multiplex redolog in Oracle RAC

This article explains the steps for multiplexing redologs in oracle RAC. Multiplexing means to keep multiple copies of redo log in different diskgroup. It is similar to that of multiplexing in standal...