https://jameshuangsj.wordpress.com/2017/09/05/ora-15001-diskgroup-data-does-not-exist-or-is-not-mounted-ora-15040-diskgroup-is-incomplete/
ORA-15001: diskgroup does not exist or is not mounted. ORA-15040: diskgroup is incomplete
restore controlfile to ‘+DATA’ from ‘/tmp/standby.ctl’;
Starting restore at 2017-09-05 09:44:30
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1694 instance=STYTEST1 device type=DISK
channel ORA_DISK_1: restoring control file
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 09/05/2017 09:44:32
ORA-19870: error while restoring backup piece /tmp/standby.ctl
ORA-19504: failed to create file “+DATA”
ORA-17502: ksfdcre:4 Failed to create file +DATA
ORA-15001: diskgroup “DATA” does not exist or is not mounted
ORA-15040: diskgroup is incomplete
1) Apply latest PSU patch against RAC home( 12.1.0.2). For now , the latest RU for 12.1.0.2 is 12.1.0.2.170814 (26609783).
Restore Database Fails on ASM with error ORA-19504 ORA-17502 ORA-15001 ORA-15040: diskgroup is incomplete (Doc ID 2319465.1)
chgrp asmadmin /u01/app/oracle/product/12.1.0.2/dbhome_1/bin/oracle
ls -lrt /u01/app/oracle/product/12.1.0.2/dbhome_1/bin/oracle
-rwsr-s–x 1 oracle asmadmin 327811823 Oct 5 16:50/u01/app/oracle/product/12.1.0.2/dbhome_2/bin/oracle
