ORA-00845: MEMORY_TARGET not supported on this system
[oracle@node3 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Wed Apr 13 20:03:37 2016
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup nomount pfile=/oradisk/DATA/TEST/initTEST.ora
ORA-00845: MEMORY_TARGET not supported on this system
SQL> quit
This is because “/dev/shm” (tmpfs) file system is less than 1G of size. we should have more space than memory_target parameter.
Solution :-
Before increasing the space
[oracle@node3 ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda5 9.5G 649M 8.4G 8% /
/dev/sda9 2.9G 70M 2.7G 3% /opt
/dev/sda8 4.8G 139M 4.4G 4% /home
/dev/sda7 4.8G 2.7G 1.8G 60% /usr
/dev/sda10 1.9G 36M 1.8G 2% /usr/local
/dev/sda6 4.8G 209M 4.3G 5% /var
/dev/sda3 9.5G 153M 8.9G 2% /tmp
/dev/sda1 2.9G 77M 2.7G 3% /boot
tmpfs 1006M 0 1006M 0% /dev/shm
/dev/sda11 25G 8.2G 16G 36% /oradisk
/dev/hdc 3.4G 3.4G 0 100% /media/RHEL_5.4 x86_64 DVD
192.9.1.101:/u01/BACKUP
59G 18G 38G 33% /BKP
[root@node3 ~]# umount /dev/shm
[root@node3 ~]# mount -t tmpfs -o size=5g tmpfs /dev/shm
[root@node3 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda5 9.5G 649M 8.4G 8% /
/dev/sda9 2.9G 70M 2.7G 3% /opt
/dev/sda8 4.8G 139M 4.4G 4% /home
/dev/sda7 4.8G 2.7G 1.8G 60% /usr
/dev/sda10 1.9G 36M 1.8G 2% /usr/local
/dev/sda6 4.8G 209M 4.3G 5% /var
/dev/sda3 9.5G 153M 8.9G 2% /tmp
/dev/sda1 2.9G 77M 2.7G 3% /boot
/dev/sda11 25G 8.2G 16G 36% /oradisk
/dev/hdc 3.4G 3.4G 0 100% /media/RHEL_5.4 x86_64 DVD
192.9.1.101:/u01/BACKUP
59G 18G 38G 33% /BKP
tmpfs 5.0G 0 5.0G 0% /dev/shm
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