Home » Oracle » 1z0-058 » Which are the two best location options for archivelogs so that they can be accessed during recovery without DBA intervention?
You need to set up a three-instance RAC database. The data files and fast recovery area will be stored in ASM diskgroups called +DATA and +FRA, respectively. The ASM disk groups will be mounted on all ASM instances.
Which are the two best location options for archivelogs so that they can be accessed during recovery without DBA intervention?
A. Cluster File System with each instance writing to a shared location
B. Cluster File System with each instance writing to a separate location as long as all the locations are in directories under the same mount point
C. the ASM diskgroup +FRA with the DB_RECOVERY_FILE_DEST parameter set to the same value on all instances
D. a raw or block device
Correct Answer: AC
Explanation/Reference:
Archived Log File Configurations
During backup and recovery operations involving archived log files, the Oracle server determines the file destinations and names from the control file. If you use RMAN, the archived log file path names can also be stored in the optional recovery catalog. However, the archived log file path names do not include the node name, so RMAN expects to find the files it needs on the nodes where the channels are allocated.
If you use a supported shared storage scheme, your instances can all write to the same archive log destination. Backup and recovery of the archive logs are easy because all logs are located in the same directory.
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