Re: Slony1 or DRBD for replication ?

From: Pierre LEBRECH <pierre(dot)lebrech(at)laposte(dot)net>
To: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Slony1 or DRBD for replication ?
Date: 2006-04-14 17:42:29
Message-ID: 443FDF05.4060600@laposte.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

Joshua D. Drake wrote:
> On Fri, 2006-04-14 at 14:56 +0200, Pierre LEBRECH wrote:
>
>>Hello,
>>
>>I want to replicate my PostgreSQL database at an other location. The
>>distance between the two locations should be around 10 miles. The link
>>should be a fast ethernet dedicated link.
>>
>>What would you suggest me to do? DRBD or slony1 for PostgreSQL replication?
>
>
> It depends on your needs.
>
> If you want to be able to use the slave postgresql instance (reporting,
> non replicated name spaces, materialized views etc...) Slony or Mammoth
> Replicator.
>
> If you want to also replicate users/groups, grant and revoke, Mammoth
> Replicator.
>
> If you just want a hot backup... DRBD.
>
> Joshua D. Drake
>

The second location should be used in case of emergency. So, if my first
machine/system becomes unreachable for whatever reason, I want to be
able to switch very quickly to the other machine. Of course, the goal is
to have no loss of data. That is the context.

Furthermore, I have experience with DRBD (not on databases) and I do not
know if DRBD would be the best way to solve this replication problem.

Thanks for any suggestions and explanations.

PS : my database is actualy in production in a critical environment

>
>
>>Thank you.
>>
>>---------------------------(end of broadcast)---------------------------
>>TIP 9: In versions below 8.0, the planner will ignore your desire to
>> choose an index scan if your joining column's datatypes do not
>> match
>>

In response to

Responses

Browse pgsql-admin by date

  From Date Subject
Next Message Christopher Browne 2006-04-14 18:14:56 Re: Slony1 or DRBD for replication ?
Previous Message Tom Lane 2006-04-14 15:48:22 Re: what the problem with this query