近期要在高版本的GI上 安装低版本的 DB在官网找了一下，顺便做个记录。
Oracle Clusterware (CRS/GI) - ASM - Database Version Compatibility (Doc ID 337737.1)
The following table shows you the compatibility between various versions:
| lusterware | ASM | DB | Certified |
|---|---|---|---|
| 19c | 19c | 19c | Y |
| 19c | 19c | 18c | Y |
| 19c | 19c | 12.2 | Y |
| 19c | 19c | 12.1 | Y |
| 19c | 19c | 11.2(a) | Y |
| 18c | 18c | 18c | Y |
| 18c | 18c | 12.2 | Y |
| 18c | 18c | 12.1 | Y |
| 18c | 18c | 11.2(a) | Y |
| 12.2 | 12.2 | 12.2 | Y |
| 12.2 | 12.2 | 12.1 | Y |
| 12.2 | 12.2 | 11.2(a) | Y |
| 12.1 | 12.1 | 12.1 | Y |
| 12.1 | 12.1 | 11.2(a) | Y |
| 12.1 | 12.1 | 11.1(a) | Y |
| 12.1 | 12.1 | 10.2(a) | Y |
| 11.2 | 11.2(b) | 11.2 | Y |
| 11.2 | 11.2(b) | 11.1 | Y |
| 11.2 | 11.2(b) | 10.2 | Y |
| 11.1 | 11.1 | 11.1(c) | Y |
| 11.1 | 11.1 | 10.2 | Y |
| 11.1 | 11.1 | 10.1 | Y |
| 11.1 | 10.2 | 11.1 | Y |
| 11.1 | 10.2 | 10.2 | Y |
| 11.1 | 10.2 | 10.1 | Y |
| 11.1 | 10.1(d) | 11.1 | Y |
| 11.1 | 10.1(d) | 10.2 | Y |
| 11.1 | 10.1 | 10.1 | Y |
| 10.2 | 10.2 | 10.2 | Y |
| 10.2 | 10.2 | 10.1 | Y |
| 10.2 | 10.1(d) | 10.2 | Y |
| 10.2 | 10.1 | 10.1 | Y |
| 10.1 | 10.1 | 10.1 | Y |