[Openais] Query about Event Service and Notification Service

[Hegde, Ramesh (STSD)]

Also one more question is about the High Availability of Event Service.
Does it also use Virtual Synchrony? Is it High available?
Regards
Ramesh 

-----Original Message-----
From: Hegde, Ramesh (STSD) 
Sent: Thursday, November 23, 2006 11:52 AM
To: 'sdake at redhat.com'
Cc: openais at lists.osdl.org
Subject: RE: [Openais] Query about Event Service and Notification
Service

Hi Steve,

Thank you very much for your answers . My answers are inline with some
more questions.

Regards
Ramesh 

-----Original Message-----
From: Steven Dake [mailto:sdake at redhat.com]
Sent: Thursday, November 23, 2006 12:55 AM
To: Hegde, Ramesh (STSD)
Cc: openais at lists.osdl.org
Subject: Re: [Openais] Query about Event Service and Notification
Service

On Wed, 2006-11-22 at 15:25 +0530, Hegde, Ramesh (STSD) wrote:
> Hello,
>  
> I am new  to the openais and I downloaded and installed openais and 
> could run some of the tests related to Event Service.
>  
> I have following doubts/questions related to mainly on Event Service 
> and Notification Service.
>  
> 1. Is event Service is complete SAF complaint? i.e All Event Service 
> SAF APIs are supported? [ I could see the report which says it is 100%

> SAF compliant]

AIS EVT B.0.01 is supported completely in the event service and has 100%
pass rate with SAF Test.  There may be areas where the SAF Test suite
doesn't test appropriate compliance, but our opinion of the tests is
they do a very good job of testing compliance.

[Ramesh] Thank you .

> 2. Notification Service is implemented in openais? If not , any plans 
> in the roadmap to implement the same ?

Not implemented, Will be implemented after 1.0 (Wilson) next year.

[Ramesh] Thank you

> 3. Does the Event Service/Notification Service contains any Java 
> interfaces?

no.
[Ramesh] Thank you.

> 4. Is is possible to use only Event Service/Notification service from 
> openais? (Is it a component which can be separated?)

openais has a plugin infrastructure where only specified plugins are
loaded.  It would be possible to provide a configuration file which
would only load the event service.  At the moment, all services are
loaded by default.

[Ramesh] I could download source rpm of openais-0.80.1-3. I am able to
build the binary rpm for RHEL 4.  As you mentioned all the services are
loaded by default.  How do I enable only Event Service? I failed to find
any such configuration in /etc/ais/openais.conf also. Cab you provide me
any pointers/documents for the same? 

Each service consumes about 800k of ram so for low memory systems, this
might make sense.

> 5. What is the model for distributing this software? I am not finding 
> any spec file or openais(runtime and Devel). Is it worth to use it for

> production environment for event service /Notification service.

The openais standards based cluster framework is available in FC6 and
several other distributions.  Please contact your distribution provider
and ask them to provide an openais rpm for you.  We have RPM spec files
available for download in various RPM repos.

[Ramesh] Thanks . I am evaluating it for on of event products to use it
as event service. What is the support model for this? Any contact person
to discuss it further will help us to speedup this activity. Also any
cases where it is already in production environment?
As I understand there is one way which is by submitting a bug to
opensource. Any other support contract possible?(like supporting
particular version and bugs on top of it for lets say 5 years from now]





>  
>  
> Please forgive me if I am asking some very basic silly questions
>  

good questions thanks for asking

Regards
-steve

> Thanks in advance
>  
> Regards
> Ramesh
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