使用AMM经常出现的一个错误是“ORA-00845:MEMORY_TARGET not supported on this system”。[ZFZHLHRDB1:oracle]:/oracle>oerr ora 84500845,00000,"MEMORY_TARGET not supported on this system"//*Cause:The MEMORY_TARGET parameter was not supported on this operating system or/dev/shm was not sized ...
遇到Oracle数据库报错“ora-00845: memory_target not supported on this system”时,通常表示memory_target参数在当前系统配置或Oracle数据库版本中不被支持。以下是一些解决步骤和建议,帮助您诊断并解决这个问题: 1. 确认Oracle数据库版本和操作系统兼容性 首先,确认您的Oracle数据库版本以及它是否与您的操作系统兼容。
ORA-00845: MEMORY_TARGET not supported on this system错误,解决办法增加/dev/shm大小, 在redhat系列系统中,/dev/shm的默认值是系统总内存的一半 1、修改/dev/shm大小 [oracle@rtest ~]$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 140G 57G 76G 43% / /dev/sda1 99M 12M 82...
Oracle的报错:ORA-00845MEMORY_TARGET not supported on this system和ORA-01102: cannot mount database in EXCLUSIVE mode 可能会奇怪为什么两个报错写到一起,可以明确的说,这两个报错都和内存有关。 ORA-00845:MEMORY_TARGET not supported on this system这个报错通常是在启动数据库发生,有的人是在重启机器后,...
On a Linux system, trying to start up an 11g instance could fail with the following error: ORA-845: MEMORY_TARGET not supported on this system In the alert log, you could or could not see the below messages: ORA-04031 errors OR
ORA-00845: MEMORY_TARGET not supported onthissystem 2. 问题分析 $ oerr ora0084500845,00000,"MEMORY_TARGET not supported on this system"//*Cause: The MEMORY_TARGET parameter was not supported on this operating system or /dev/shm was not sized correctly on Linux.//*Action: Refer to documentat...
ORA-00845: MEMORY_TARGET not supported on this system 如果遇到启动数据库时报错ORA-00845: MEMORY_TARGET not supported on this system 那应该是/dev/shm不够大引起, 1.修改/etc/fstab中的: tmpfs /dev/shm tmpfs defaults 0 0 修改为: tmpfs /dev/shm tmpfs defaults,size=3g 0 0 ...
1)ORA-00845: MEMORY_TARGET not supported on this system 问题分析: 该错误是由于/dev/shm小于MEMORY_TARGET的大小,或者是/dev/shm根本就没有挂载,如果同时设置了MEMORY_TARGET和MENORY_MAX_TARGET,那么/dev/shm至少必须和MEMORY_MAX_TARGET的大小一致 ...
现象:Oracle 11g数据库修改memory_target为一个比较大的值后,启动数据库报错ora-00845 SQL> startup ORA-00845: MEMORY_TARGET not supported on this system 查找资料后发现问题如下,见metalinikID 460506.1 在oracle 11g中新增的内存自动管理的参数MEMORY_TARGET,它能自动调整SGA和PGA,这个特性需要用到/dev/shm ...
oracle11g数据库在执行dbca或者调整sga后重启oracle的时候可能会出现ORA-00845 MEMORY_TARGET not supported on this system 错误。 究其原因就是Linux系统的shm的大小比SGA设置的小,造成的,距离来说,SGA设置4G,而shm可能只有1G 网上提供两种解决办法: 01、调整sga的大小,这个明显不是我们所希望的 ...