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

ulimit -u Linux (check & set) :

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) : SEMMSL

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