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Re: replication



Alex Samad wrote:
> Hi
> 
> Is there any reason to setup just a mirror and not setup a multimaster 2
> nodes.  If both boxes are always up and in sync why not allow
> multimaster - then if there is a problem there wouldn't be any thing to
> do to fail over .
> 
> by if there is a problem I mean the machine breaking or becoming
> unavailable....
> 
> Alex
> 

And is there any reason to setup multi-master?
You can still use mirror during failure, yet you can't write to it. I'd
say no big deal.
I'd have replied the very same thing to your original question. If
mirror is not good enough for you, go for multi-master.

Regards,
Zdenek

-- 
Zdenek Styblik
Net/Linux admin
OS TurnovFree.net
email: stybla@turnovfree.net
jabber: stybla@jabber.turnovfree.net

> On Thu, Mar 18, 2010 at 04:37:40PM +0100, Benjamin Griese wrote:
>> hi frank,
>>
>> all information to build such a setup are covered in the documentation you
>> mentioned earlier.
>> http://www.openldap.org/doc/admin24/replication.html#Syncrepl
>>
>> The provider would be your master, the consumer your slave and so on...
>> There're some guides out there who show it in another way, but at last its
>> the same setup.
>>
>> I for myself setup a mirrormod replication and used this guide:
>> https://help.ubuntu.com/8.10/serverguide/C/openldap-server.html
>>
>> In a combination of both you should be able to setup a solution for your
>> needs.
>>
>> Bye.
>>
>> On Thu, Mar 18, 2010 at 14:48, Frank Bonnet <f.bonnet@esiee.fr> wrote:
>>
>>> Hi
>>>
>>> That's what I need !
>>>
>>> links infos welcome
>>>
>>> Thanks
>>>
>>>
>>>
>>> On 03/18/10 14:24, Benjamin Griese wrote:
>>>
>>>> Hi Frank,
>>>>
>>>> for backup reasons, did you think about a read only slave who has all
>>>> the data of the maybe failed master?
>>>> When you repaired/replaced the master and have it back online, you would
>>>> be able to restore them back to the master.
>>>>
>>>> bye
>>>>
>>>>
>>>> On Thu, Mar 18, 2010 at 13:26, Frank Bonnet <f.bonnet@esiee.fr
>>>> <mailto:f.bonnet@esiee.fr>> wrote:
>>>>
>>>>    Hello
>>>>
>>>>    I wanted to start a "replicant/backup" server at our site.
>>>>
>>>>    Actually we only have one openldap server that serve our LAN
>>>>    and I want to start a slave server in case of master's crash.
>>>>
>>>>    I've read documentaion here
>>>>    http://www.openldap.org/doc/admin24/replication.html
>>>>
>>>>    But I need some help to choose the best config for our site
>>>>    ( a backup server , that's all )
>>>>
>>>>    Thank you
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> To be or not to be -- Shakespeare | To do is to be -- Nietzsche | To be
>>>> is to do -- Sartre | Do be do be do -- Sinatra
>>>>
>>>>
>>
>