情况是这样的，我想使用grid管理数据库，比如进程和监听出问题，通过grid会自动重启相应的进程，11G只安装grid不配置asm是可以的，但是发现12CR2版本之后，配置grid好像必须配置asm,但是我的数据库不采用asm，而是采用操作系统文件的方式存储的。
不是比需的，nfs、nas等共享存储都可以。
| Storage Option | OCR and Voting Files | Oracle Clusterware binaries | Oracle RAC binaries | Oracle Database Files | Oracle Recovery Files |
|---|---|---|---|---|---|
|
Oracle Automatic Storage Management (Oracle ASM) Note: Loopback devices are not supported for use with Oracle ASM |
Yes |
No |
No |
Yes |
Yes |
|
Oracle Automatic Storage Management Cluster File System (Oracle ACFS) |
No |
No |
Yes for running Oracle Database on Hub Nodes for Oracle Database 11g Release 2 (11.2) and later. No for running Oracle Database on Leaf Nodes. |
Yes (Oracle Database 12c Release 1 (12.1) and later) |
Yes (Oracle Database 12c Release 1 (12.1) and later |
|
Local file system |
No |
Yes |
Yes |
No |
No |
|
OCFS2Foot 1 |
No |
No |
Yes |
Yes |
Yes |
|
Network file system (NFS) on a certified network-attached storage (NAS) filer Note: Direct NFS Client does not support Oracle Clusterware files. |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Shared disk partitions (block devices or raw devices) |
No |
No |
No |
No |
No |
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