Ora-27103 Internal Error — Svr4 Error 11 Resource Temporarily Unavailable

set semsys:seminfo_semmns=4096 set semsys:seminfo_semmni=1024 set semsys:seminfo_semmsl=512 (if instance is down):

echo "kernel.sem = 250 32000 100 256" >> /etc/sysctl.conf sysctl -p in /etc/system : /etc/sysctl.conf sysctl -p :

# shmmax = 80% of RAM, shmall = shmmax / 4096 (page size) echo "kernel.shmmax = 68719476736" >> /etc/sysctl.conf # 64GB echo "kernel.shmall = 16777216" >> /etc/sysctl.conf sysctl -p : /etc/sysctl.conf sysctl -p :