all online oracle logs need archiving

redo log groups are used in aredo log groups are used in a

archived redo log files 1archived redo log files 1

a typical oracle 9i raca typical oracle 9i rac

logs that need archivinglogs that need archiving

the first step in verifying the condition of an oracle databasethe first step in verifying the condition of an oracle database

if you enable archivingif you enable archiving

at any given time  oracle usesat any given time oracle uses

and oracle versionand oracle version

recovering oracle databaserecovering oracle database

oracle instanceoracle instance

figure 7 3 shows legal and illegal multiplexed online redo logfigure 7 3 shows legal and illegal multiplexed online redo log

back up all offline redo logback up all offline redo log

figure 6 1 reuse of redo logfigure 6 1 reuse of redo log

archive log before oraclearchive log before oracle

figure 1 2 online redo logfigure 1 2 online redo log

once you have optimized youronce you have optimized your

archive log filesarchive log files

figure 23 1  online redo logfigure 23 1 online redo log

archiving protects the oraclearchiving protects the oracle

use the archive log listuse the archive log list

each oracle instance has itseach oracle instance has its