oracle 11g R2, 使用 rac 环境
当 alter system set memory_target=12G scope=spfile sid='*'; 重启之后, 报下面错误信息
Attempting to start `ora.db3g.db` on member `rac1`
Attempting to start `ora.db3g.db` on member `rac2`
CRS-5017: The resource action "ora.db3g.db start" encountered the following error:
ORA-00845: MEMORY_TARGET not supported on this system . For details refer to "(:CLSN00107:)" in "/u01/app/11.2.0/grid/log/rac2/agent/crsd/oraagent_oracle/oraagent_oracle.log".
可以通过增大 /dev/shm ( tmpfs )大小解决这个问题
/etc/fstab
tmpfs /dev/shm tmpfs defaults,size=14G 0 0