Hi Oracle Gurus,
I am trying to create 12cR2 RAC CDB using silent installation.(grid version is 12cR2 )
After 2% of completion it says "DBCA Operation failed " because it is unable to create shared memory segment.
Below is the content from install log.
[ 2018-01-20 04:42:59.397 MST ] Copying database files
DBCA_PROGRESS : 1%
[ 2018-01-20 04:43:03.850 MST ] ORA-27125: unable to create shared memory segment
DBCA_PROGRESS : 2%
[ 2018-01-20 04:43:03.852 MST ] ORA-01034: ORACLE not available
[ 2018-01-20 04:43:03.853 MST ] ORA-01034: ORACLE not available
[ 2018-01-20 04:43:09.793 MST ] DBCA_PROGRESS : DBCA Operation failed.
| Filesystem | Size Used Avail Use% Mounted on |
/dev/mapper/VGsys
| 30G 17G 12G 60% / |
| tmpfs | 95G 1.7G 93G 2% /dev/shm |
Please guide ..