ORA-00845: MEMORY_TARGET not supported on this system

SQL> alter system set memory_max_target=2GB scope=spfile;
System altered.
SQL> alter system set memory_target=2GB scope=spfile;
System altered.

 SQL> startup ;

ORA-00845: MEMORY_TARGET not supported on this system

Check the following Space :-

ECATSTDB oracle: :/home/oracle\>df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/Oracle-LogVol00
                       20G  3.3G   15G  18% /
/dev/mapper/Oracle-LogVol02
                       90G   45G   41G  53% /Oracle
/dev/sda1              99M   18M   77M  19% /boot
tmpfs                 3.0G     0  3.0G   0% /dev/shm

Increase the space

mount -t tmpfs shmfs -o size=6144m /dev/shm

now startup the database.

Cheers
Osama

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