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

ulimit -u Linux (check & set) :

SELECT value/1024/1024 MB FROM v$parameter WHERE name='sga_max_size'; Check free memory :

set semsys:seminfo_semmns=4096 set semsys:seminfo_semmni=1024 set semsys:seminfo_semmsl=512 (if instance is down): ulimit -u Linux (check & set) : SELECT

set maxuprc=16384 , then verify:

SEMMSL = 250 (or max processes per instance) SEMMNS = 32000 (or higher) SEMOPM = 100 SEMMNI = 256 (or 1024 for large systems) Set persistently: ulimit -u Linux (check & set) : SELECT

# 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 :

echo 65536 > /proc/sys/kernel/pid_max # temporary echo "kernel.pid_max=65536" >> /etc/sysctl.conf Check for zombie processes: ulimit -u Linux (check & set) : SELECT

ipcs -s | grep oracle | awk 'print $2' | xargs -n1 ipcrm -s Linux :