We were copying the password file into ASM as this was supposed to allow us to have the password file in one location on a multi-node RAC database. In the past the practice has been to have the same version/copy of the password file was in the oracle home in each node of the RAC. Moving to a single password file on ASM seemed like a much better solution.
The odd result that we encountered was that when we would issue the below command at the asmcmd prompt
pwcopy --dbuniquename PRODDB /my_backup_location/pwdproddb +DG/proddb/password/pwdproddb
We would then list the files and see
+DG/ASM/password/pwdasm
We opened an SR with Oracle and were pointed to the below bug
Bug 19777340 - asmcmd pwcopy creates DB password file as incorrect fully qualified file name if destination is ASM diskgroup (Doc ID 19777340.8)
Per Oracle, the solution is to go to 12.2.01.