db_recovery_file_dest_size question

I have a question regarding the use of db_recovery_file_dest_size on 11.2 RDBMS Oracle using ASM, as well as DG (w/FSFO).

First, is there any way to set the value of db_recovery_file_dest_size unlimited (or the maximum size available on the file system)?
I remember being able to do this by setting this null (empty), or something similar.

Then, if our db_recovery_file_dest_size fills up to 100% of the full, does affect our database?

To understand this issue, let me explain that our database is implemented in ASM, but the FRA is on the file system.
The archive_log_dest_1 is also on the file system in a location that is different from our FRA.

Our FRA contains only two directories: one for "flashback" and the other for onlinelog.
Since we are setting up this database as a DG with FSFO (DGBroker) installation, we are multiplexing redologs in two MSAS and the file system in the directory onlinelogs of FRA.

Since the redo logs are circular in nature, I don't think he would have no problem if our FRA has reached its maximum size (other than not being able to flashback quite our flashback_retention_time parameter). But I don't see that the database stops or something like that. That is my main concern.

For reference:
db_recovery_file_dest_size           big integer 30G
db_flashback_retention_target        integer     1440

  GROUP# TYPE    MEMBER
-------- ------- ------------------------------------------------------------
       1 ONLINE  +DATADG/prod/onlinelog/group_1.297.766622049
         ONLINE  /oraback/flashback/PROD/onlinelog/o1_mf_1_7ck8skss_.log

       2 ONLINE  +DATADG/prod/onlinelog/group_2.298.766622051
         ONLINE  /oraback/flashback/PROD/onlinelog/o1_mf_2_7ck8slg2_.log

       3 ONLINE  /oraback/flashback/PROD/onlinelog/o1_mf_3_7ck8slw8_.log
         ONLINE  +DATADG/prod/onlinelog/group_3.270.766622051

       4 STANDBY /oraback/flashback/PROD/onlinelog/o1_mf_4_7ck8sm7y_.log
         STANDBY +DATADG/prod/onlinelog/group_4.269.766622051

       5 STANDBY /oraback/flashback/PROD/onlinelog/o1_mf_5_7ck8smkt_.log
         STANDBY +DATADG/prod/onlinelog/group_5.259.766622051

       6 STANDBY /oraback/flashback/PROD/onlinelog/o1_mf_6_7ck8smxj_.log
         STANDBY +DATADG/prod/onlinelog/group_6.271.766622051

       7 STANDBY /oraback/flashback/PROD/onlinelog/o1_mf_7_7ck8snbt_.log
         STANDBY +DATADG/prod/onlinelog/group_7.280.766622053

14 rows selected.
Thanks in advance for your help.

Sorry that I misunderstood.

We have NO archive logs will FRA. They are in their own separate Directory and away from the flash_recovery_area.

You should be OK then IMO.

Aman...

Tags: Database

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