ORA-00845: MEMORY_TARGET not supported on this system

最新推荐文章于 2024-02-23 13:24:48 发布

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最新推荐文章于 2024-02-23 13:24:48 发布

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分类专栏： Oracle oerr 文章标签：数据库

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本文介绍了一种常见的Oracle数据库启动时遇到的845错误及其解决方法。通过调整文件系统的挂载参数和设置Oracle实例，最终成功启动了数据库。

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问题描述：

启动数据库时遇到845错误。

SQL> startup
ORA-01081: cannot start already-running ORACLE - shut it down first

解决方法：

[oracle@ocm2 dbs]$ df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                       45G   15G   28G  36% /
/dev/sda1              99M   12M   82M  13% /boot
tmpfs                1014M  484M  530M  48% /dev/shm
/dev/hdc              3.3G  3.3G     0 100% /media/20160324_232029
[oracle@ocm2 dbs]$ su -
Password: 
[root@ocm2 ~]# mount -o size=2G -o nr_inodes=1000000 -o noatime,nodiratime -o remount /dev/shm
[root@ocm2 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                       45G   15G   28G  36% /
/dev/sda1              99M   12M   82M  13% /boot
tmpfs                 2.0G  484M  1.6G  24% /dev/shm
/dev/hdc              3.3G  3.3G     0 100% /media/20160324_232029
[root@ocm2 ~]# su - oracle
[oracle@ocm2 ~]$ export ORACLE_SID=Luo
[oracle@ocm2 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Thu Nov 24 20:48:43 2016

Copyright (c) 1982, 2011, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> startup
ORACLE instance started.

Total System Global Area  849530880 bytes
Fixed Size		    1348244 bytes
Variable Size		  499125612 bytes
Database Buffers	  343932928 bytes
Redo Buffers		    5124096 bytes
Database mounted.
Database opened.