Re: Backup Web Server
#2 (vrrp) is a subset of #3 (LVS / keepalived / vrrp )
I have several boxes configured as master / backup routers with the VRRP
component of keepalived. You just need to configure keepalived to not use
LVS and then you have a clean and simple VRRP install.
On Mon, 25 Nov 2002, Jeremy Zawodny wrote:
> On Mon, Nov 25, 2002 at 02:17:22PM -0500, Steve Mickeler wrote:
> >
> > Theres a couple of ways you can do this.
> >
> > 1) round robin dns : 2 servers with their own IP's, each serving up the
> > website. If one goes down, you still get a 50% success rate.
> >
> > 2) VRRP via keepalived - http://www.keepalived.org/ : 2 servers, 1 real
> > floating IP that is bound to the active server. If the active server dies,
> > the IP's are picked up by the standby server and keeps on going.
> >
> > 3) LVS ( Linux Virtual Server ) http://www.linuxvirtualserver.org/ : This
> > is the most involved setup but will also give you the most scalability and
> > availabilty by creating farms of local servers that the inbound requests
> > are balanced across. It can also do enhanced checks on the local servers
> > to make sure that only healthy nodes are answering requests.
>
> You make it sound as if #2 and #3 are disconnected. But reading the
> web site for #2 makes it sound as if it only works *with* LVS. Is
> that not true?
>
> Jeremy
> --
> Jeremy D. Zawodny | Perl, Web, MySQL, Linux Magazine, Yahoo!
> <Jeremy@Zawodny.com> | http://jeremy.zawodny.com/
>
>
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[-] Steve Mickeler [ steve@neptune.ca ]
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