Procedure to create the fast recovery area disk group.
Go to the Oracle Grid Infrastructure home bin directory, and start Oracle ASM Configuration Assistant (ASMCA).
For example:
$ cd /u01/app/oracle/product/23.0.0/grid/bin
$ ./asmca
ASMCA opens the home window.
Click Disk Groups in the left panel to open the Disk Groups tab.
Click Create to create a new disk group.
The Create Disk Group window
opens.
Provide configuration information for the fast recovery area as prompted:
In the Disk Group Name field, enter a descriptive name for the fast recovery area group. For example: FRA.
In the Redundancy section, select the level of redundancy you want to use. For example: Normal
In the Select Member Disks field, select eligible disks you want to add to the fast recovery area, and click OK. If you do not see the disks, click the Change Disk Discovery Path button and provide a path and pattern match for the disk. For example, /dev/sd* for local Oracle ASM disks and n:/*/* for NVMe over Fabrics disks.
When the Fast Recovery Area disk group creation is complete, click
Exit and click Yes to confirm
closing the Oracle ASMCA application.