Re: interesting wait event

From: Mladen Gogala <gogala_at_sbcglobal.net>
Date: Tue, 28 Feb 2006 23:17:07 -0500
Message-Id: <1141186627l.12585l.0l@medo.noip.com>

On 02/28/2006 01:07:54 PM, john d parker wrote:
> 'gcs drm freeze in enter server mode'
>
> Anyone have any indepth info on this event? It was captured in the wild
> during heavy load, a datafile was being added near that time. DB
> version 10.2 RAC on Solaris, raw datafiles.
>
> John
>

John, when new file is added, software has to inform other nodes and update resource managers on all involved nodes. I don't really know which resources are re-distributed and re-configured but structure changing events like adding data files or instances entering the cluster will usually result in database freeze for a minute or so.

-- 
Mladen Gogala
http://www.mgogala.com

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Received on Tue Feb 28 2006 - 22:17:07 CST