I believe that post/wait driver has to be loaded from /etc/system or
some other config file. Oracle tries to use post/wait driver for inter
process communication because, generally speaking, it's faster then 
semaphores. There used to be a parameter called "use_pw" or "post_wait" or
something like that. It is likely  an undocumented parameter which
is platform specific. It's the very same device driver that has to be loaded 
into jAIX as a kernel extension when installing oracle on jAIX. Obviously,
oracle on Slowaris doesn't perform that install automatically, as the one
on jAIX so system admin has the pleasure all for himself.

On 11/11/2003 09:34:26 AM, Jared Still wrote:
> You need to dig into the sun reference manuals and find
> out what an error 36 is in reference to semaphores.
> 
> They are online I believe, somewhere at sun.com.
> ..
> 
> How about that?  Your exact error is duplicated in a 
> post on MetaLink.  Did you check there?
> 
> Sounds like someone was playing around with ipcrm whilst
> Oracle was up and running.
> 
> Jared
> 
> 
> On Tue, 2003-11-11 at 06:09, Greg Faktor wrote:
> > Hi All!
> > 
> > Oracle 920 on SunOS (Cluster)
> > A have a process that refresh data in the database . I shutdown
> > database and then start it up, before running refresh. This is errors
> > from my log file. After this happened all databases on this server were
> > shutdown and they never failover to the second node on the cluster.
> > I never seen this errors before, and in Metalink not much info about
> > it.
> > Any ideas?
> > 
> > Connected.
> > Database closed.
> > Database dismounted.
> > ORACLE instance shut down.
> > ORA-27157: OS post/wait facility removed
> > ORA-27300: OS system dependent operation:semop failed with status: 36
> > ORA-27301: OS failure message: Identifier removed
> > ORA-27302: failure occurred at: sskgpwwait1
> > Connected to an idle instance.
> > truncate table xxxxxxxxxxxxxx
> > *
> > ERROR at line 1:
> > ORA-01034: ORACLE not available
> > 
> > Thanks.
> > 
> > Greg
> > 
> > -- 
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > -- 
> > Author: Greg Faktor
> >   INET: [EMAIL PROTECTED]
> > 
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> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: Jared Still
>   INET: [EMAIL PROTECTED]
> 
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> 

Mladen Gogala
Oracle DBA



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