Multiple BIND instances

[Lightner, Jeff]

Virtualization doesn't reduce use of resources but DOES separate into what are perceived to be multiple "servers" so I'm not sure what you mean by "you still have one server".





-----Original Message-----
From: bind-users-bounces+jlightner=water.com at lists.isc.org [mailto:bind-users-bounces+jlightner=water.com at lists.isc.org] On Behalf Of Matus UHLAR - fantomas
Sent: Tuesday, February 07, 2012 3:18 AM
To: bind-users at lists.isc.org
Subject: Re: Multiple BIND instances

On 06.02.12 23:09, sasa sasa wrote:
>I got a server with 16GB memory, want to install 2 BIND on CentOS, one
> cache only and another authoritative.

> Is it better to install 2 OS virtually and run BIND in them or run 2
> instances of BIND on the same OS?

According to what I've heard, virtualization has quite high overhead in
such situations.

> I mean what is the best practice to take advantage of the hardware
> resources without risking having single DNS with cache and
> authoritative?

You still have one server, virtualization would not change much about
this.

You can even run a single BIND instance with two separate views and
that should not affect functionality.

I suppose you are running 64bit OS, so you can have really huge cache
(>4GB)

--
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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