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。
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 ...
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,...
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 Starting ORACLE instance (normal) WARNING: You are trying to use the MEMORY_TARGET feature.
$ 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 documentation for a list of supported operating systems. Or, size /dev/...
SQL> startup force; 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 ...
ORA-00845: MEMORY_TARGET not supported on this system 解决方案 1.初始化参数MEMORY_TARGET或MEMORY_MAX_TARGET不能大于共享内存(/dev/shm),为了解决这个问题,可以增大/dev/shm 如: # mount -t tmpfs shmfs -o size=7g /dev/shm 2.为了确保操作系统重启之后能生效,需要修改/etc/fstab文件 ...
ORA-00845: MEMORY_TARGET not supported on this system alert 日志中的信息类似如下：WARNING: You ...
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 ...