On Fri, Nov 07, 2008 at 07:32:01AM -0800, Kent Peacock wrote: > On 11/07/08 06:35, Ceri Davies wrote: > > Hello, > > > > I'm hoping to get some examples of how people have configured their DNS > > entries. Specifically, I'm trying to guard against the loss of a single > > firmware server. > > > > I can see from the docs that a DTU will look up the > > sunray-config-servers DNS record, but would that be an A record? If I > > want to stuff multiple entries in there, is it right to have two values > > for that A record, i.e. > > > > sunray-config-servers IN A 192.168.10.10 > > 192.168.20.10 > > I think this needs to be: > > sunray-config-servers IN A 192.168.10.10 > sunray-config-servers IN A 192.168.20.10 > > But, yes, that's the way to do it. The Sun Ray will choose one at random.
I'm using the above configuration now, but there is a slight issue.
After the Sun Ray has chosen one of the above servers at random, if that
server is down then it doesn't try the other one. It does reset after a
short time, but there's nothing to prevent it trying to connect to the
same broken server again (and again, and again...).
I've "resolved" this by just having one A record pointing to a firmware
server in our VMware HA environment, so I'm at least no longer subject
to server failure, but I'd prefer not to have to do that.
Once the Sun Ray has downloaded its parms file, it's smart enough to try
the next server if the first one is down, and I was wondering if it's
unreasonable of me to expect the same.
We're actually planning on buying a support contract some time in the
next n weeks and I'll raise this properly at that point, but I'm thinking
that maybe I've missed something. Have I?
Ceri
--
That must be wonderful! I don't understand it at all.
-- Moliere
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