Re: [Pgcluster-general] PostgreSQL Documentation of

Markus Schiltknecht wrote:
> In the very same paper, they define what a Cluster is for them: "A
> cluster is a group of independent servers that cooperate as a single
> system. The primary cluster components are processor nodes, a cluster
> interconnect, and a shared disk subsystem. The clusters share disk
> access and resources that manage data, but the distinct hardware cluster
> nodes do not share memory."
>
> Thus, Oracle RAC seems to be a shared disk solution. Only in conjunction
> with their OCFS, you could probably call it a shared-nothing solution,
> but it's certainly not a shared-memory thing.
>
> I'd vote for explaining these terms in the PostgreSQL documentation, as
> there seems to be a lot of confusion regarding these terms.

OK, but how does explaining the terms help our users?

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  Bruce Momjian   bruce@momjian.us
  EnterpriseDB    http://www.enterprisedb.com

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