Re: Newbie question about Corosync-1.4.2 and Openais-1.1.4

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On 03/19/2012 08:00 PM, sathya bettadapura wrote:
> Let me try rephrasing the question.
> 
> I thought a service such as DLCK was being provided in OpenAis as it's
> not part of corosync. So if someone was planning on using distributed
> locking for some applications, would they have to develop it themselves
> now, as corosync doesn't provide it directly ?
> 
> Not quite sure what you mean when you say "Or you can use corosync". Do
> you mean corosync already provides DLCK in some way or that it's not
> needed ? Would appreciate some clarification.
> 
> Thanks,
> 
>      Sathya
> 

implementing distributed locking is pretty easy on top of total
ordering.  Another option (in linux) is the DLM packages and kernel modules.

Regards
-steve

> ------------------------------------------------------------------------
> *From:* Steven Dake <sdake@xxxxxxxxxx>
> *To:* sathya bettadapura <s_bettadapura@xxxxxxxxx>
> *Cc:* "discuss@xxxxxxxxxxxx" <discuss@xxxxxxxxxxxx>
> *Sent:* Wednesday, March 7, 2012 1:02 PM
> *Subject:* Re:  Newbie question about Corosync-1.4.2 and
> Openais-1.1.4
> 
> On 03/07/2012 12:53 PM, sathya bettadapura wrote:
>> Thanks for the info. Are there plans to move Openais services like AMF
>> and DLCK to the corosync project ?
>>
>> Thanks,
>>
>>      Sathya
>>
> 
> I don't have any plans to do this.  If you really want SAF might take a
> look at opensaf.org <http://opensaf.org>.
> 
> nother option is to just use corosync directly since it is well tested,
> has tens of thousands of deployments, and available everywhere with a
> dedicated upstream.
> 
> Regards
> -steve
> 
>> ------------------------------------------------------------------------
>> *From:* Steven Dake <sdake@xxxxxxxxxx <mailto:sdake@xxxxxxxxxx>>
>> *To:* sathya bettadapura <s_bettadapura@xxxxxxxxx
> <mailto:s_bettadapura@xxxxxxxxx>>
>> *Cc:* "discuss@xxxxxxxxxxxx <mailto:discuss@xxxxxxxxxxxx>"
> <discuss@xxxxxxxxxxxx <mailto:discuss@xxxxxxxxxxxx>>
>> *Sent:* Monday, February 27, 2012 4:28 PM
>> *Subject:* Re:  Newbie question about Corosync-1.4.2 and
>> Openais-1.1.4
>>
>> On 02/27/2012 05:02 PM, sathya bettadapura wrote:
>>> Hi All,
>>>
>>> Let me start off with an apology if this is not the right group to post
>>> a newbie question, as looking at the archives it appears to be meant for
>>> more serious discussion. But as I couldn't find any FAQ or a user group
>>> mailing list, I am posting it here.
>>>
>>> For starters, I was able to build corosync-1.4.2 and install it on two
>>> nodes and execute a few test programs and all that works fine.
>>>
>>> But I have problems running openasi. Recent version of Openais such as
>>> the branch "wilson" or 1.1.4 execute the binary "corosync" with
>>> COROSYNC_DEFAULT_CONFIG_FILE set to
>>> "openaisserviceenableexperimental:corosync_parser". I'm trying to follow
>>> the instructions in README.amf and running into basic problems in
>>> starting openais services, problems which are probably related to some
>>> missing configuration settings or probably misconfiguration.
>>>
>>> 1) Looking at the log file where corosync logs its mesages, it looks
>>> like corsync is up and ready to serve, but openais didn't even open
>>> "amf.conf" (I have verified that the config file does exist where it's
>>> expected to and in addition also in /etc/corosync/conf, the default
>>> location for amf.conf).
>>>
>>> 2) In the openais source tree, README.amf which describes how to test
>>> basic AMF functionlaity refers to a test program called "testamf1",
>>> which is missing in the Makefile under the "test" directory. If you run
>>> make from the top level, it makes a bunch of other test programs but not
>>> "testamf1" (I modified the Makefile to produce "testamf1" too before
>>> attempting to run openais). Does anyone know if the Makefile been
>>> modified deliberately to omit making "testamf1" (version 0.80.6 appears
>>> to have has "testamf1") ?
>>>
>>> Thanks,
>>>
>>>    Sathya
>>>
>>
>> openais is no longer maintained.  See: http://www.openais.org/doku.php
>> for the rationale
>>>
>>> _______________________________________________
>>> discuss mailing list
>>> discuss@xxxxxxxxxxxx <mailto:discuss@xxxxxxxxxxxx>
> <mailto:discuss@xxxxxxxxxxxx <mailto:discuss@xxxxxxxxxxxx>>
>>> http://lists.corosync.org/mailman/listinfo/discuss
>>
>>
>>
> 
> 
> 

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