[Ocfs2-users] Hi

[Sunil Mushran]

None of what you have written allows you to use our resources to
spread your opinions as official recommendation.

Alexei_Roudnev wrote:
> Yes, you distribute and support OCFSv2; but Oracle is another story, and the
> common recommendation
> from many different Oracle engineers (not related to OCFSv2) is _don't use
> OCFS for RAC files /OCRFile and CSSFile/_. Which I fully agree - it don't
> have any benefits but a lot of headache. Using OCFSv2 for backups or archive
> logs is another story, for example.
>
> Oracle itself have not a SINGLE opinion (to be curious, I hear a strong
> recommendation against OCFSv2 from oracle support, which I can not agree
> with), so we can't treat your recommendations as official as well - you are
> interested in OCFSv2 while users are not (users are interested in making our
> data centers run smoothly). The only _official_ thing is _certification
> matrix_.
>
> ----- Original Message ----- 
> Alexei,
> While you are free to use this forum to share your opinions, do not
> couch these opinions as official recommendations. When push comes to
> shove, we are helping users not you. We develop, build, distribute
> the software, not you. So it may serve to community better if you
> let us offer the "official" recommendations and not you.
>
> Sunil
>
> Alexei Roudnev wrote:
>   
>> It is STRONLY recommended do not use OCFSv2 for CRS and OCR files.
>> Just create 2 partitions, 1 - 105 MB for OCRFile , and 1 - 22 MB for
>> CSSFIle,
>> make them raw using raw script (check with the docs, Oracle promise to
>> make it work without raw) and use them in CRS.
>> If using OCFSv2, you must use datavolume mounting option, which is not
>> supported in all versions.
>> Before it all, make a sanity checks:
>> - on node 1
>> echo 1234 > a
>> - on node 2
>> cat a
>> echo 3456 > a
>> - on node 1
>> cat a
>> and be sure that it all works.
>> When posting here, always specify:
>> - Linux version
>> - how do you install ocfsv2 (comes with the system or added by rpm or
>> compile yourself)
>> - at least, output of rpm -qa | grep ocfs
>> Why OCFSv2 is not good for OCR and CSS Files - in short:
>> - OCR and CSS Files are control files for the Oracle cluster (CRS).
>> CRS runs heartbeat, check cluster consistency and quorum,
>> makes decisions to self-fence node and so on.
>> - OCFSv2 is cluster too. It makes the same job, independently.
>> When you mix 2 clusters together, it may cause insonsistent
>> (suboptimal) decisions. In addition, make OCR and CSS Files on raw
>> partition is pretty simple and harmless. IN addition, OCFSv2 have some
>> instabilities and timeouts, and CRS have it's own timeouts - and this
>> timeouts are not adjusted one to others.
>>
>>     ----- Original Message -----
>>     *From:* Dheerendar Srivastav <mailto:Dheerendars at bajajcapital.com>
>>     *To:* Ocfs2-users at oss.oracle.com <mailto:Ocfs2-users at oss.oracle.com>
>>     *Sent:* Friday, May 04, 2007 11:35 PM
>>     *Subject:* [Ocfs2-users] Hi
>>
>>     Hi
>>
>>     We are installation of oracle RAC and install the ocfs2 but check
>>     /o2cb status is running fine but when we installation of the crs
>>     the error message show share space not found.
>>     Pls any body kindly provide the solution.
>>     Dheerendar Srivastav
>>     Associate vice President -IT
>>     Bajaj Capital Ltd.
>>     New Delhi
>>
>>     p FQȔB ד5Dĉb
 ??
>>     ----------------------------------------------------------------------
>>     
> --
>   
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>
>
>