| From: | Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> |
|---|---|
| To: | Jasmin Dizdarevic <jasmin(dot)dizdarevic(at)gmail(dot)com> |
| Cc: | Andrew Sullivan <ajs(at)crankycanuck(dot)ca>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: PG on two nodes with shared disk ocfs2 & drbd |
| Date: | 2011-03-03 01:11:31 |
| Message-ID: | 4D6EEAC3.3050008@postnewspapers.com.au |
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| Lists: | pgsql-general |
On 03/03/11 09:01, Jasmin Dizdarevic wrote:
> hehe...
> andrew, I appriciate pg and it's free open source features - maybe I've
> chosen a wrong formulation.
> in my eyes such a feature is getting more important nowadays.
Why? Shared disk means shared point of failure, and poor redundancy
against a variety of non-total failure conditions (data corruption,
etc). Add the synchronization costs to the mix, and I don't see the appeal.
I think clustering _in general_ is becoming a big issue, but I don't
really see the appeal of shared-disk clustering personally.
--
Craig Ringer
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