RE: ORA-27101: shared memory realm does not exist

  • From: "Hollis, Les" <Les.Hollis@xxxxxx>
  • To: <chiragdba@xxxxxxxxx>, "Paul Drake" <bdbafh@xxxxxxxxx>
  • Date: Thu, 27 Jan 2005 16:18:23 -0600

Usually see this when trying to start an instance and you have not enuf
memory or your memory offset is not such that you can run a large SGA.

Hit this often on a new SUN that shmmax had not been set properly and we
had not modified oracle for larger memory segments....

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Chirag DBA
Sent: Thursday, January 27, 2005 3:58 PM
To: Paul Drake
Cc: Oracle-L
Subject: Re: ORA-27101: shared memory realm does not exist

That is a good link Paul.

ORA-27101: shared memory realm does not exist
    Cause: Unable to locate shared memory realm
    Action: Verify that the realm is accessible

What does this means?  What do they mean by realm?
How to see that whether it is accessible or not?

  - Chirag=20


On Thu, 27 Jan 2005 16:49:40 -0500, Paul Drake <bdbafh@xxxxxxxxx> wrote:
> > What is the route cause
> Its caused by not spending enough time here:
> http://otn.oracle.com/pls/db10g/portal.portal_demo3?selected=3D1
>=20
> start with the Concepts manual.
>=20
> -bdbafh
>=20
>=20
> On Fri, 28 Jan 2005 03:12:24 +0530, Chirag DBA <chiragdba@xxxxxxxxx>
wrote:
> > Hi Guys,
> > What is this problem of?
> >
> > Some says that is due to wrong oracle home and some says comment the
> > entry in SQLNET.ORA?
> >
> > What is the route cause for that n what is the solution?
> >
> >  - Chirag
> > --
>
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