Lisa,

1. Find the amt of shared mem you are using: ipcs -mb
2. see your os limit. for e.g. : sysdef |grep -i shm

also ensure that ur /etc/system parameters match with
the output from 2. If not, you need to bounce the unix
box for those values to tale effect. 

Check specifically for kernal parameters shmmax and
semmns and ensure that these are set correctly. 


hth
Deepak


--- YTTRI  Lisa <[EMAIL PROTECTED]> wrote:
> Hi - 
> 
> We are running a solaris server (2.6) for our
> develoment environment.  We
> currently have 5 instances on the server.  When we
> create another instance
> and try to start it, we get a ORA-27101:  shared
> memory realm does not
> exist.  The text reads 'Unable to locate shared
> meory realm'.
> 
> We have set the following kernal parameters to what
> we believe to be
> appropriate.  
> 
> SHMMAX=1207959552
> SHMMIN=1
> SHMSEG=10
> SEMMNI=100
> SEMMSL=350
> SEMMNS =1000
> SEMOPM =100
> SEMVMX=32767
> 
> Does anyone know of any other kernal parameter
> settings that may be causing
> this error?
> 
> THanks -
> Lisa
> -- 
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> -- 
> Author: YTTRI  Lisa
>   INET: [EMAIL PROTECTED]
> 
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Deepak Thapliyal
  INET: [EMAIL PROTECTED]

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