Tony On Fri, 2008-02-15 at 15:47 +0000, Tony Finch wrote: > We use round robin DNS and it works fine, so long as nothing breaks :-) > Most MUAs will not try more than one IP address, so if the IP address they > have fixed on stops working they will break too. The way we deal with this > is to just shift the IP addresses of the broken machine onto a hot spare. > (We haven't automated it because our machines are too reliable to make it > worth adding complexity.) The other problem is that client computers often > don't respect the TTL on DNS records, so they may not respect changes > promptly. (This seems to be less of a problem now than a few years ago.) > The upshot is that you need to change the DNS several days before taking a > machine out of service.
Why did you use duel A records rather than two MX records? -- Steve Dobson Double *sigh*. _04 is going onto thousands of CDs even as we speak, so to speak. -- Larry Wall in <[EMAIL PROTECTED]>
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