[root@rac19c2 media]# systemctl status oracleasm.service
● oracleasm.service - Load oracleasm Modules
   Loaded: loaded (/usr/lib/systemd/system/oracleasm.service; enabled; vendor preset: disabled)
   Active: active (exited) since Wed 2022-04-13 14:02:58 KST; 18s ago
  Process: 26882 ExecStart=/usr/sbin/oracleasm.init start_sysctl (code=exited, status=0/SUCCESS)
 Main PID: 26882 (code=exited, status=0/SUCCESS)

Apr 13 14:02:57 rac19c2 systemd[1]: Starting Load oracleasm Modules...
Apr 13 14:02:57 rac19c2 oracleasm.init[26882]: Initializing the Oracle ASMLib driver: OK
Apr 13 14:02:58 rac19c2 oracleasm.init[26882]: Scanning the system for Oracle ASMLib...OK
Apr 13 14:02:58 rac19c2 systemd[1]: Started Load oracleasm Modules.
Hint: Some lines were ellipsized, use -l to show in full.
[root@rac19c2 media]# 
[root@rac19c2 media]# oracleasm configure -i
Configuring the Oracle ASM library driver.

This will configure the on-boot properties of the Oracle ASM library
driver.  The following questions will determine whether the driver is
loaded on boot and what permissions it will have.  The current values
will be shown in brackets ('[]').  Hitting <ENTER> without typing an
answer will keep that current value.  Ctrl-C will abort.

Default user to own the driver interface [oracle]: 
Default group to own the driver interface [dba]: 
Start Oracle ASM library driver on boot (y/n) [y]: 
Scan for Oracle ASM disks on boot (y/n) [y]: 
Writing Oracle ASM library driver configuration: done
[root@rac19c2 media]# 
[root@rac19c2 media]# oracleasm init
[root@rac19c2 media]# 
[root@rac19c2 media]# oracleasm scandisks
Reloading disk partitions: done
Cleaning any stale ASM disks...
Scanning system for ASM disks...
[root@rac19c2 media]# 
[root@rac19c2 media]# oracleasm listdisks
[root@rac19c2 media]#