[Ocfs2-users] Heartbeat ID and cloning systems

[Sunil Mushran]

# mounted.ocfs2 -d
Device                FS     UUID                                  Label
/dev/sdb2             ocfs2  22a625d-acae-5341-9f19-f241347a9ffe   mmscratch

Alexei_Roudnev wrote:
> What is device uuid (as I know, it is global for the cluster)? Problem is
> that heartbeat id's must be different on different servers, but they are the
> same after system have been cloned (disk was copied and then changed - IP,
> host name, and so on).
>
> As a result, when I open configfs, I see only 1 record for the heartbeat
> there, and tests indicate that both hosts uses the same id (even having
> correct configuration with tifferent node numbers in it)..
>
> I cloned hosts, not the file system (I know about FS cloning problem and
> about device uuid). So, it's another problem.
>
> ----- Original Message ----- 
> From: "Sunil Mushran" <Sunil.Mushran at oracle.com>
> To: "Alexei_Roudnev" <Alexei_Roudnev at exigengroup.com>
> Cc: "Peter Santos" <psantos at cheetahmail.com>; <ocfs2-users at oss.oracle.com>
> Sent: Monday, November 20, 2006 10:39 AM
> Subject: Re: [Ocfs2-users] Heartbeat ID and cloning systems
>
>
>   
>> The heartbeat region id is the same as the device uuid.
>> One can change the device uuid using tunefs.ocfs2.
>> Available with ocfs2-tools 1.2.2.
>>
>> Alexei_Roudnev wrote:
>>     
>>> Hi.
>>>
>>> DO you have any idea, how to change default ID which ocfs2 uses as a
>>>       
> system
>   
>>> id, when running heartbeat (it appear at
>>> /config/cluster/<cluster>/heartbeat/* )
>>>
>>>
>>> I found that, if I clone server (by disk copy) and then change IP,
>>> hostnames, etc etc (so they works as 2 different servers),
>>> heartbeat still uses the same string for the heartbeat, so making OCFSv2
>>> cluster impossible.
>>>
>>> System is SLES9 SP3, but I guess that it do not depends of it.
>>>
>>>
>>> _______________________________________________
>>> Ocfs2-users mailing list
>>> Ocfs2-users at oss.oracle.com
>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>>
>>>       
>
>
> _______________________________________________
> Ocfs2-users mailing list
> Ocfs2-users at oss.oracle.com
> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>