The present document provides a list of steps to solve ASM ORA-15063: ASM discovered an insufficient number of disks for diskgroup.
The database server version is 184.108.40.206.4 running on Oracle Enterprise Linux 6. The Oracle clusterware version is 220.127.116.11.4 with Patch Set Update 4 applied.
The cluster resources cannot start automatically after a server reboot.
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