[Ocfs2-devel] Please help me in getting OCFS2 design doc.

[Sum Sha]

Thanks Sunil for this information. I tried going through the docs mentioned
there, they are useful, but there are details which I wanted for my
learning purpose which are not in those docs. It would be great if anyone
can share any good doc mentioning details about Clustering Services which
OCFS2 uses. I know that clustering services which OCFS2 uses has the
following components:

1. Node manager
2. Heartbeat module
3. TCP Protocol module
4. DLM

But once I install and configure OCFS2, I can see the following modules
getting loaded:

1. configfs (with filesystem mounted)
2. ocfs2_nodemanger
3. ocfs2_dlm
4. ocfs2_dlmfs (with filesystem mounted)

and the following threads created:
1. ocfs2_wq (perhaps it's the kernel worker thread)
2. ocfs2_vote (for voting requests. Is this the listener thread?)
3. ocfs2_cmt (perhaps this is the node monitoring thread?)

Can't think of OCFS2 in 10g environment where we have another required and
reliable clustering service CRS (with 10g) running and managing Oracle's
resources. Do CRS and OCFS's clustering services co-ordinate in some manner
or do they take actions independently on their own during crash and other
conditions?

Any help would be highly appreciated!!

Thanks.
Sumsha.

On 4/28/06, ocfs2-devel-request at oss.oracle.com <
ocfs2-devel-request at oss.oracle.com> wrote:
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>    1. Re: Please help me in getting OCFS2 design doc. (Sunil Mushran)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Thu, 27 Apr 2006 10:03:23 -0700
> From: Sunil Mushran <Sunil.Mushran at oracle.com>
> Subject: Re: [Ocfs2-devel] Please help me in getting OCFS2 design doc.
> To: Sum Sha <sumsha.matrixreloaded at gmail.com>
> Cc: ocfs2-devel at oss.oracle.com
> Message-ID: <4450F95B.8000704 at oracle.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Look into docs in ocfs2 projects page. While there
> is no design doc, there is a presentation which lists
> out the changes.
>
> http://oss.oracle.com/projects/ocfs2/documentation/
>
> Sum Sha wrote:
> > Hi all,
> > Could someone point me to design doc for OCFS2? I could get OCFS V-1
> > design doc, but could not find any design doc for OCFS2. I read
> > somewhere that OCFS2 has got lots of design changes as comapared to
> > OCFS1.
> >
> > Thanks in advance.
> >
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> > http://oss.oracle.com/mailman/listinfo/ocfs2-devel
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