What is the correct way to present the disks to ASM?
How did you "format" them? Oracle expect them to be block devices, not formatted with a file system. Did you read this documentation?


https://docs.oracle.com/en/database/oracle/oracle-database/12.2/ladbi/configuring-device-persistence-manually-for-oracle-asm.html#GUID-70D50812-CCB2-41E4-AA3B-4689E1DA934E
https://oracle-base.com/articles/linux/udev-scsi-rules-configuration-in-oracle-linux#load_updated_block_device_partitions"
https://dba010.com/2019/07/22/udev-rules-for-configuring-asm-disks/
https://www.thegeekdiary.com/centos-rhel-7-how-to-set-udev-rules-for-asm-on-multipath-disks/