环境描述  
主机操作系统:AIX 6.1.06
Oracle:Oracle12.2.0.4 RAC ASM


部署方式


问题现象
安装Oracle Clusterware过程中,选择hdisk1作为ASM data disk,第1节点执行root.sh成功,在第2节点执行root.sh执行报以下错误:
Disk Group DATA creation failed with the following message:
ORA-15018: diskgroup cannot be created
ORA-15031: disk specification '/dev/rhdisk1' matches no disks
ORA-15025: could not open disk "/dev/rhdisk1"
ORA-27041: unable to open file