Re: [cobalt-users] Setting a Seconday DNS Server - Help Please

["Hostmaster : Beyond2K" <Hostmaster@xxxxxxxxxxxxxx>]

> > I will warn you that this solution is far from orthodox and involves
> > using a complete set of DNS records and websites per box. I would
> > not recommend our identical setup to anyone hosting third part
> > websites.
>
> Actually, I like it; it's quite elegant.

Thanks.

> The only problem I see for
> using it to host third-party websites is keeping both servers mirror
> images in real time.  One way to solve that would be to let customers
> who decide to use this high-availability solution know in advance that
> you only guarantee updates at a certain time each day.

Agreed, although I did not recommend it for third party hosting it is possible. You could set up a cron job to rsync the servers I
suppose.

> > 2) DNS - Allocate primary/master nameserver to your most stable
> > server in all SOA records and network settings on both boxes.
> > Set the TTL in all SOA records to a low timeframe (we use 3600
> > - 1 hour - this will increase your DNS traffic). Setup complete DNS
> > records on both boxes - pointing to IP's on the same box only.
> >
> > 3) Setup websites etc on each box as per the IP's used for your DNS
> > records.
>
> These two steps would be a real pain to hosters using the Cobalt gui.

Again agreed - I have automated this via scripting as I have the same number of IP's allocated and use IP's similarly on each box -
a simple search and replace operation once the records are transfered.

Brett
Beyond2K - Webmaster / Hostmaster
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