重建Oracle Inventory

由于对系统文件的暴力删除，导致Oracle Inventory缺失，需要重新创建Oracle Central Inventory
参照文档: Steps To Recreate Central Inventory(oraInventory) In RDBMS Homes ( Doc ID 556834.1 )。

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一、现象

[root@centos6 ~]# ll /etc/oraInst.loc
ls: cannot access /etc/oraInst.loc: No such file or directory

[root@centos6 ~]# more /opt/oracle/product/11.2.0/db_1/oraInst.loc 
inventory_loc=/opt/oraInventory
inst_group=oinstall

[oracle@centos6 db_1]$ ll /opt/oraInventory
ls: cannot access /opt/oraInventory: No such file or directory

oraInventory目录不存在

二、创建oraInventory

1.创建oraInst.loc

cat > /etc/oraInst.loc <<EOF
inventory_loc=/opt/oraInventory
inst_group=oinstall

EOF

2.授权oraInst.loc

[root@centos6 ~]# ll /etc/oraInst.loc
-rw-r--r-- 1 root root 53 Dec 15 15:55 /etc/oraInst.loc

[root@centos6 ~]# chmod 755 /etc/oraInst.loc

[root@centos6 ~]# ll /etc/oraInst.loc
-rwxr-xr-x 1 root root 53 Dec 15 15:55 /etc/oraInst.loc

3.创建oraInventory

[root@centos6 ~]# su - oracle
[oracle@centos6 bin]$ echo $ORACLE_HOME
/opt/oracle/product/11.2.0/db_1

[root@centos6 ~]# mkdir /opt/oraInventory
[root@centos6 ~]# chown oracle.oinstall /opt/oraInventory

[oracle@centos6 ~]$ cd $ORACLE_HOME/oui/bin

[oracle@centos6 bin]$ ./runInstaller -silent -ignoreSysPrereqs -attachHome ORACLE_HOME="/opt/oracle/product/11.2.0/db_1" ORACLE_HOME_NAME="OraDb11g_home1"
Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 15999 MB    Passed
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2023-12-15_04-05-34PM. Please wait ...[oracle@centos6 bin]$ The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /opt/oraInventory
'AttachHome' was successful.