Re: OCFS Oracle Cluister File System - limitations ?
From: DA Morgan <damorgan_at_psoug.org>
Date: Fri, 22 Feb 2008 06:07:50 -0800
Message-ID: <1203689261.858746@bubbleator.drizzle.com>
>
> I understood:
> You can install as many RAC nodes as you need, OCFS will work fast.
> Correct?
>
> We use SAP BIA (Business Intelligence Accelerator). There are 3
> vendors, HP, Fujitsu/Siemens and IBM. IBM uses its own Fildsystem GPL,
> which seem to work good. HP and Fujitsu/Siemens are using OCFS and it
> is said both face the same problems.
>
> BIA uses flat files. Possibly that could be the cause of the problems?
> Remark: OCFS Vers.1 was certified for Oracle Files only, OCFS2 should
> work with flat files also.
>
> Has anyone some experiences with this?
Date: Fri, 22 Feb 2008 06:07:50 -0800
Message-ID: <1203689261.858746@bubbleator.drizzle.com>
DBA.Jo wrote:
> On 21 Feb., 00:41, DA Morgan <damor..._at_psoug.org> wrote:
>> DBA.Jo wrote: >>> Hi there, >>> does anybody know about maximum number of connected nodes to Oracle >>> Cluster File System (OCFS)? >>> I have been told, that OCFS would get problems to support more than x >>> connected servers. Maybe thats a rumor. >>> Does anybody know about a good working configuration with 8 or 10 or >>> more connected nodes? >>> Or does anybody know about a bad working constellation with zjat >>> number of nodes? >>> I've searched the net, but could not find any answer. >>> cu >>> Jo.B. >> Whatever it is it is greater than the number of nodes you will ever >> build in a RAC cluster. >> -- >> Daniel A. Morgan >> Oracle Ace Director & Instructor >> University of Washington >> damor..._at_x.washington.edu (replace x with u to respond) >> Puget Sound Oracle Users Groupwww.psoug.org
>
> I understood:
> You can install as many RAC nodes as you need, OCFS will work fast.
> Correct?
>
> We use SAP BIA (Business Intelligence Accelerator). There are 3
> vendors, HP, Fujitsu/Siemens and IBM. IBM uses its own Fildsystem GPL,
> which seem to work good. HP and Fujitsu/Siemens are using OCFS and it
> is said both face the same problems.
>
> BIA uses flat files. Possibly that could be the cause of the problems?
> Remark: OCFS Vers.1 was certified for Oracle Files only, OCFS2 should
> work with flat files also.
>
> Has anyone some experiences with this?
What does any of this have to do with Real Application Clusters?
-- Daniel A. Morgan Oracle Ace Director & Instructor University of Washington damorgan_at_x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.orgReceived on Fri Feb 22 2008 - 08:07:50 CST