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Re: Lack of Semaphores

From: Steve Adams <steve.adams_at_ixora.com.au>
Date: 2000/06/06
Message-ID: <393d7ee8.129474374@news.eagles.bbs.net.au>#1/1

Hi Rick,

On some platforms Oracle needs to get contiguous semaphores. Therefore "if the semaphore clients are not always shut down and started up in strict sequence, then an extra allowance [in SEMMNS] at least equal to the largest single requirement is recommended." Quote from p9 of my book.

Regards,
Steve Adams

http://www.ixora.com.au/
http://www.oreilly.com/catalog/orinternals/
http://www.christianity.net.au/


On Tue, 06 Jun 2000 16:01:06 GMT, Rick Collins <b_aggy_at_hotmail.com> wrote:

>Hi guys,
>
>I had three instances running on Solaris. No problems.
>I tried to shutdown one of the instances, the database Closed and
>Dismounted but the servermanager process would not finish , it just sat
>there.
>
>I resorted to a shutdown abort from another session.
>
>The problem I have now is that the instance won't start because of
>error ORA - 07279 connot get the next semaphore set.
>
>There were enough to run it before, why aren't there enough now ?
>Will I have to resort to a machine reboot to get them back ?
>
>--
>Rick Collins
>Newbie DBA - Forever Learning.
>
>
>Sent via Deja.com http://www.deja.com/
>Before you buy.
Received on Tue Jun 06 2000 - 00:00:00 CDT

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