Questions about the parameters of database using a fast recovery area and the writing of two copies of archived redo logs.

My databases are 11.2.0.3.7 Enterprise Edition. My OS is AIX 7.1.

I am to convert databases to use individual zones of rapid recovery and have two questions about what values to assign to database settings related to archived redo logs. This example refers to a database.

I read that if I specify

Log_archive_dest_1 =' LOCATION = USE_DB_RECOVERY_FILE_DEST'

the names of newspapers archived redo written in the default quick recovery area is '% t_%S_%r.dbf '.

In the past my archived redo logs have been appointed based on the parameter

log_archive_format='GPAIDT_archive_log_%t_%s_%r.arc'

I think log_archive_format will be ignored for logs archived redo written in the fast recovery area.

I am planning to write a second copy of the archived redo logs based on the parameter

ALTER system set log_archive_dest_2 = ' LOCATION = / t07/admin/GPAIDT/arch.

If I do this, the copy of logs placed in /t07 will be called '% t_%S_%r.dbf' or 'GPAIDT_archive_log_%t_%s_%r.arc '?

Before my use of a fast recovery area, I used the OEM 12 c Console to specify settings of backup of database that has been deleted and archived redo logs after 1 backup. Oracle manuals say rather specify a deletion of "none" policy and allow Oracle delete newspapers in the area of fast recovery if necessary. Since I got to keep a second copy of these log files in /t07 should I keep the policy that says to delete logs after 1 backup? If I don't do that, how will they removed from /t07?

Thank you

Bill

If I do this, the copy of logs placed in /t07 will be called '% t_%S_%r.dbf' or 'GPAIDT_archive_log_%t_%s_%r.arc '?

They will be "GPAIDT_archive_log_%t_%s_%r.arc". LOG_ARCHIVE_FORMAT is only ignored for directories under OMF.

Since I got to keep a second copy of these log files in /t07 should I keep the policy that says to delete logs after 1 backup? If I don't do that, how will they removed from /t07?

You can hold the deletion policy as it is. Oracle documentation, defining the STRATEGY of the ARCHIVELOG DELETION: "the deletion of archived newspaper policy applies to logs archive destinations, including the area of fast recovery."

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