[PLUG] DNS And site available

[linux-yug]

On Thu, 2008-11-27 at 02:30 -0800, linux-yug wrote:
> On Thu, 2008-11-27 at 02:04 -0800, drew wymore wrote:
> > On Thu, Nov 27, 2008 at 12:39 AM, linux-yug <linux-yug at xprt.net> wrote:
> > 
> > > On Thu, 2008-11-27 at 00:13 -0800, drew wymore wrote:
> > > > On Wed, Nov 26, 2008 at 9:51 PM, linux-yug <linux-yug at xprt.net> wrote:
> > > >
> > > > > Can I set my DNS up so if my Primary server is down at xx.yy.zz.aa
> > > > >
> > > > > It automatically goes to site b..  pp.qq.rr.aa  ????
> > > > >
> > > > > Where server A is in Flordia and Server B is in P-Town.???  ON very
> > > > > different Static IPs'  ???
> > > > >
> > > > > TIA
> > > > >
> > > > > Linux-yug
> > > > >
> > > > > _______________________________________________
> > > > >
> > > >
> > > >
> > > > DNS servers or web servers? When you set  up DNS to do round robin to
> > > load
> > > > balance. Otherwise you'll need to update DNS to point at another server
> > > if
> > > > it's for web services.
> > > > _______________________________________________
> > >
> > >
> > > I didn't make that clear did I????
> > >
> > > I want to have a second web server standing by in the event the primary
> > > web server goes down.. Like now...  My primary web server is down.. Loss
> > > of power....And power won't be back for another two days..
> > > But, I have  perfectly good, rsynced web server at an alternate location
> > > with another IP...
> > >
> > > How do I get that to come on line.. Now that the primary is down?
> > >
> > > Thanks
> > >
> > > linux-yug..
> > >
> > > _______________________________________________
> > > PLUG mailing list
> > >
> > 
> > 
> > Update your primary and or secondary name servers (assuming primary is on
> > the dead box) to point to the web server that is still alive.
> > _______________________________________________
> 
> 
> 
> Ok..
> 
> I was thinking that was the obvious answer..
> 
> I just recently got a second IP..
> 
> Thanks
> 
> Linux-yug
> 
> _______________________________________________

Wait...

How does it know to go to ns2???

Right now I have

ns1  xxx.yyy.zzz.aaa
ns2  xxx.yyy.zzz.aaa

If I change to 

ns1 xxx.yyy.zzz.aaa
ns2 bbb.ccc.eee.fff


How does it know to use ns2  cause ns1 is down???

IT checks???

The dns server actually check to see if ns1 is up ..
and if not checks  ns2????

Thanks

linux-yug