RE: ORA-27101 Error

Tom:
I believe the problem is the same on Win as Unix. Here are some notes I made on this error. hope they help.

Barb

> When you start the database, a key for the shared memory segment is
> calculated based on the contents of ORACLE_SID and ORACLE_HOME. When you
> try to connect to the database, your process needs to find the shared
> memory
> segment. It does so by matching your oracle_sid and oracle_home against
> this hashed key. (In the case of a network connection, it does this by
> using
> the oracle_sid and oracle_home in the listener.)
>
>
> Check to see how your environment was set when you started the database
> versus how it is set when you're trying to connect. In particular, if the
> oracle_home path or the oracle_sid is different in any way,you'll get the
> messages
>
> ORA-01034: ORACLE not available
> ORA-27101: shared memory realm does not exist
> SVR4 Error: 2: No such file or directory
>
> In my case, I had the sid as lower case for the session that started the
> database, and upper case in the listener.ora file.
>
> Good luck!
>
> Barb
>
>
> ----------
> From: Tom Schruefer[SMTP:tschruefer_at_mail.howard.k12.md.us]
> Reply To: ORACLE-L_at_fatcity.com
> Sent: Sunday, June 30, 2002 9:53 AM
> To: Multiple recipients of list ORACLE-L
> Subject: ORA-27101 Error
>
> ORA-27101 = Shared Memory Realm is not available
>
> I have seen references to this error and how to repair it on UNIX systems,
> but what is to be done on Win2000 when this thing rears its ugly head?
>
>
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Tom Schruefer
> INET: tschruefer_at_mail.howard.k12.md.us
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Baker, Barbara
  INET: bbaker_at_denvernewspaperagency.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
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also send the HELP command for other information (like subscribing).