Shulou(Shulou.com)06/03 Report--

Multiplexing of Control Files

If it's spfile

1 To add a control04.ctl, make a change

alter system set control_files =

'/data1/control01.ctl','/data1/control02.ctl','/data1/control03.ctl','/data1/control04.ctl', scop =spfile;

2 Close DB

shutdown

3 Open DB

pfile

Close DB Modify pfile Add control file to add

LOG_archive_DEST_n

LOG_archive_DEST

They're different.

LOG_archive_DEST_n (n is 1-10 specifying different archives)

For example:

LOG_archive_DEST_1 ='location =/data1/arc'Backup to local

LOG_archive_DEST_2 ='service =standby'Backup to network

LOG_archive_DEST and LOG_archive_duplex_DEST

Specify primary and secondary archive targets

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