Ranko, You need to unmount /dev/shm as root and mount it using -o size=4096m if you want to allow it to grow to 4GB There are few more interesting gotchas with 11g MEMORY_TARGET on Linux, I just blogged about it two days ago: http://blog.tanelpoder.com/2007/08/21/oracle-11g-internals-part-1-automatic- memory-management/ Tanel. > -----Original Message----- > From: oracle-l-bounce@xxxxxxxxxxxxx > [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Ranko Mosic > Sent: Wednesday, August 22, 2007 08:59 > To: oracle-l > Subject: ORA-00845 MEMORY_TARGET not supported on this system > > Hi List, > Did anybody run into above error when trying to bump up > MEMORY_MAX_TARGET ? > How to increase /dev/shm ? > > > -- > Regards, > Ranko Mosic > Consultant Senior Oracle DBA > B. Eng, Oracle 10g, 9i Certified Database Professional > Phone: 416-450-2785 > email: mosicr@xxxxxxxxxx > http://ca.geocities.com/mosicr@xxxxxxxxxx/ContractSeniorOracle > DBARankoMosicMain.html > -- > //www.freelists.org/webpage/oracle-l > > -- //www.freelists.org/webpage/oracle-l