[Lustre-discuss] failover software - heartbeat

[Cliff White]

Jim Garlick wrote:
> Hi,
> 
> OK I have posted it to https://bugzilla.lustre.org/show_bug.cgi?id=20165
> 
>   20165: scripts for heartbeat v1 integration
> 
> I added example config files from our test cluster.  Probably best to
> redirect questions/comments/criticisms to the bug and I'll respond there.

Looks very good, thanks bunches. I've added a few extras from the 
discussion. Did you guy try ipfail, or only pingd?
cliffw

> 
> Jim
> 
> 
> On Tue, Jul 14, 2009 at 12:26:24PM +1000, Atul Vidwansa wrote:
>> Hi Jim,
>>
>> It would be great if you can attach the scripts to a Lustre bugzilla bug.
>>
>> Cheers,
>> _Atul
>>
>> Jim Garlick wrote:
>>> We recently put heartbeat v1 in production and along the way
>>> developed some admin scripts including heartbeat resource agent compliant
>>> lustre init scripts, a script to initiate failover/failback and get 
>>> detailed
>>> status, a powerman stonith interface, and various safeguards to ensure MMP
>>> is on, devices are present and usable, etc. before starting lustre.
>>>
>>> If this is of general interest I could post it to a bug for review.
>>>
>>> Jim
>>>
>>> On Mon, Jul 13, 2009 at 01:45:02PM -0600, Lundgren, Andrew wrote:
>>>  
>>>> It is very difficult to find relevant documentation for heartbeat 1/2. I 
>>>> just finished configuring a heartbeat system and would not recommend it 
>>>> because of the documentation.  (They seem to have removed portions the 
>>>> heartbeat documentation from the site.)  
>>>> Pacemaker is not a simple solution to configure either. I played briefly 
>>>> with the RH clustering software.  It does not directly support any FS 
>>>> type other than the basic ext2/ext3, and wasn't happy with a lustre type. 
>>>>
>>>> --
>>>> Andrew
>>>>
>>>>    
>>>>> -----Original Message-----
>>>>> From: lustre-discuss-bounces at lists.lustre.org [mailto:lustre-discuss-
>>>>> bounces at lists.lustre.org] On Behalf Of Carlos Santana
>>>>> Sent: Monday, July 13, 2009 11:42 AM
>>>>> To: lustre-discuss at lists.lustre.org
>>>>> Subject: [Lustre-discuss] failover software - heartbeat
>>>>>
>>>>> Howdy,
>>>>>
>>>>> The lustre manual recommends heartbeat for handling failover. The
>>>>> pacemaker is successor of hearbeat version 2. So whats recommended -
>>>>> should we be using pacemaker or stick to hearbeat?
>>>>>
>>>>> -
>>>>> CS.
>>>>> _______________________________________________
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>>
>> -- 
>> ==================================
>> Atul Vidwansa
>> Sun Microsystems Australia Pty Ltd
>> Web: http://*blogs.sun.com/atulvid
>> Email: Atul.Vidwansa at Sun.COM
>>
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