RE: ORA-00845 MEMORY_TARGET not supported on this system

  • From: Tanel Poder <tanel.poder.003@xxxxxxx>
  • To: ranko.mosic@xxxxxxxxx, "'oracle-l'" <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 22 Aug 2007 18:31:42 +0800

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
> 
> 

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