iam getting error like ORA-27125: unable to create shared memory segment

Asked Mar 12 '18 at 13:52

Active Mar 12 '18 at 14:31

Viewed 3,332 times

When I am trying to create db instances, I am getting errors like below:

SQL> ORA-27125: unable to create shared memory segment HPUX-ia64 Error: 12: Not enough space

My system physical memory has 15.68 GB and my

shmmax value is = 1640MB
sga_max_size = 3540MB
sga_target = 3540MB

and in opt/oracle has more than 10gb. I have tried modifying sga value but still i am only getting error.

Thanks in advance.

edited Mar 12 '18 at 14:31

Eray Balkanli

asked Mar 12 '18 at 13:52

Santhosh Msk Mani

This is a system configuration problem. Oracle should have written some diagnostic information in the Alert Log. You need to look at that and see whether that helps. – APC Mar 12 '18 at 14:49
In alert log there is no information same error is printed there also.... – Santhosh Msk Mani Mar 12 '18 at 16:17
Are there any trace files? – APC Mar 12 '18 at 16:34
No.Its like a /../alert$ORACLE_SID.log.Its also contain same error. – Santhosh Msk Mani Mar 13 '18 at 06:43

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