Re: postgres in HA constellation - Mailing list pgsql-admin

From Sebastian Reitenbach
Subject Re: postgres in HA constellation
Date
Msg-id 20061011144223.3F4538C03F@ogo.rapideye.de
Whole thread Raw
In response to postgres in HA constellation  ("Sebastian Reitenbach" <itlistuser@rapideye.de>)
List pgsql-admin
Hi,

>
> I think this highlights exactly what I'm trying to emphasise: in
> actual, shared-nothing systems like this, there's no possible
> guarantee of "never".  There are possible guarantees of "very
> rarely".  The problem is, you're already trying to address a teeny
> portion of the likely events on your machines.  So you have to assume
> that more than one thing might break at the same time, and have a
> recovery plan for it.  I submit that a recovery plan of "restore from
> pg_dump" is usually not going to be enough if it was worth the cost
> and hassle of setting up shared disk failover.  YMMV, of course.
>
yes, I did a restore from a dump with pg_dump, that took over a day. maybe I
can speed it up a bit, but this is going to take too long.


Sebastian


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