在每个 DB VM 中创建至少一个 DB 主目录。可以创建各自具有特定 Oracle 数据库版本的多个 DB 主目录。
使用此命令，您可以选择要安装的 Oracle 数据库版本，然后在指定的 DB 主目录中安装 DB 软件。将在每个 DB VM 中创建主目录。
响应每个提示：
% mcmu tenant -H -c
[INFO ] Log file path : /var/opt/oracle.minicluster/setup/logs/tenant_cli_082316_184339.log
Database Home Profile Description
Listing DB VM Group Profile..
Status : Active
EditStatus :
Description : DB MVM Group 1 - NORMAL - SHARED - CIS
deletable : True
progress : False
VMgroupName : dbgp1
editable : True
VMgroupID : 1
Select Database VMgroupID [1] (1): 1
Select Database Version [11.2.0.4/12.1.0.2] (12.1.0.2): 12.1.0.2
INFO Cannot find any database home under given zone. Will return default recommended name.
INFO:MCMU.controllers.dbzonegroup.update.update:Cannot find any database home under given zone. Will return default recommended name.
Enter Oracle Home Directory Name (dbhome_1): dbhome_12c
Select Database Home Patch Level [12.1.0.2.160419] (12.1.0.2.160419): 12.1.0.2.160419
List of Inputs for DB Home Creation:
Database VM Group: dbgp1 (ID: 1)
Database Version: 12.1.0.2
Database Patch Level: 12.1.0.2.160419
Oracle Home Path: /u01/app/oracle/product/12.1.0/dbhome_12c
Do you want to change the inputs?
Enter Y/N (N): N
Creating DB Home...
INFO Initializing Database Home Management Utility
.
<some output omitted>
.
INFO Database home on node: dbgp1-vm1-mc3-n1 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO:MCMU.controllers.dbzonegroup.update.database.database_home:Database home on node: dbgp1-vm1-mc3-n1 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO Database home on node: dbgp1-vm2-mc3-n1 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO:MCMU.controllers.dbzonegroup.update.database.database_home:Database home on node: dbgp1-vm2-mc3-n1 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO Database home on node: dbgp1-vm1-mc3-n2 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO:MCMU.controllers.dbzonegroup.update.database.database_home:Database home on node: dbgp1-vm1-mc3-n2 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO Database home on node: dbgp1-vm2-mc3-n2 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO:MCMU.controllers.dbzonegroup.update.database.database_home:Database home on node: dbgp1-vm2-mc3-n2 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
INFO Add database home information to MCMU database successfully.
INFO:MCMU.controllers.dbzonegroup.update.database.database_home:Add database home information to MCMU database successfully.
updated message, old: Start adding database home information to MCMU database. with Database home on node: dbgp1-vm2-mc3-n2 with home path of /u01/app/oracle/product/12.1.0/dbhome_12c has been saved to MCMU database.
updated operation, old: Create DB Home with Create DB Home
status: 0
message: Database home installation succeeded.
例如，如果最初在 /u01/app/oracle/product/12.1.0/dbhome_12c 中安装了 Oracle Database 12c，则您可以在其他主目录（例如 /u01/app/oracle/product/12.1.0/dbhome_11g）中安装 Oracle Database 11g。
在以下示例中，每个 VM 中有两个 DB 主目录处于活动状态：
% mcmu tenant -H -l 1
[INFO ] Log file path : /var/opt/oracle.minicluster/setup/logs/tenant_cli_082316_203949.log
LIST OF DB HOMES IN DB VM GROUP 1
ID: 1, VM_ID: 1, TYPE: RAC, STATUS: Active
ID: 5, VM_ID: 1, TYPE: RAC, STATUS: Active
ID: 2, VM_ID: 2, TYPE: RAC, STATUS: Active
ID: 6, VM_ID: 2, TYPE: RAC, STATUS: Active
ID: 3, VM_ID: 3, TYPE: RAC, STATUS: Active
ID: 7, VM_ID: 3, TYPE: RAC, STATUS: Active
ID: 4, VM_ID: 4, TYPE: RAC, STATUS: Active
ID: 8, VM_ID: 4, TYPE: RAC, STATUS: Active