Size determined for archive_log_dest_2 what?

Hello

DB Oracle 11.2

O / s: OEL 5.4 32-bit

db_recovery_file_dest_size is set to 15G

Log_archive_dest_1 is set to ' / u01/app/oracle/fast_recovery_area.

LOG_ARCHIVE_DEST_2 is totally diff outside Director of FRA, say /u20

So my question is, how much size is allowed for log_archive_dest_2?

It is fair to assume that with FRA defined as 15 GB, so if I put in 14 GB log_archive_dest_1, only 1 GB is left for log_archive_dest_2?

Or, as is the full path of a diff., it is the free space available in /u20?

-Learner

Hello

>It is fair to assume that with FRA defined as 15 GB, so if I set log_archive_dest_1 14 GB, only 1 GB is left for log_archive_dest_2?

I don't think you understood the purpose of the log_archive_dest_2 parameter. The log_archive_dest_n parameter (2) is used when you want an archive to go to multiple destinations. This means that the same archivelog will be created at two or more locations .

In your case, you have two dest_1 & dest_2 so same journal archive will be created in two places, first to the location specified by log_archive_dest_1 and, secondly, to the location specified by log_archive_dest_2.

Now if you undestood how than 14 G to dest_1 and 1 GB of dest_2 will help?

I could say only, to allocate the same amount of only 15 GB/U02, but it seems that 1 GB is certainly not suited.

Nobody here knows 1) the generation of restore rate by average growth of your database and 2) the average retenation of the archivelogs on disk, so it is difficult to say 15 GB will do the job.

>So my question is, how much size is allowed for log_archive_dest_2?

This will be the size of Mount /u20.  example, if/U02 is 50 GB, then it is permissible to 50 GB.

HTH,

Pradeep

Tags: Database

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