[IMC-Tech] Re: [Imc] Insight Cable Installation this Wednesday AM...

dan blah dan.blah at gmail.com
Tue Apr 11 16:15:34 CDT 2006


On 4/10/06, Zachary C. Miller <zach at chambana.net> wrote:
> Anytime after this weekend is good for me. Fridays are bad.
>
> It'd be great if someone could test the network connection's
> stability. Set up some random machine on the cable modem and run a
> ping every second to a few different known hosts and track packet loss
> and downtime over a period of several days. Also run some bandwidth
> tests for uplink and downlink to see what we're _really_ getting on a
> sustained basis. Also, it'd be great if you could verify that it is
> really the case that no ports are blocked.
i will do this tomorrow after the install...

>
> It would also be great if someone could formulate a specific plan for
> exactly how we should handle DNS stuff with the "sticky" IPs. Right
> now OJC provides a DNS slave for us (ns2.chambana.net) and imsahp is
> chambana.net's DNS master (ns.chambana.net). If imsahp is subject to
> an occasional IP change, we don't want it to be the master and we
> don't want it to be listed as any of the nameservers in the whois
> records for all our domains.
>
> My thinking is that rather than using a master/slave set up we should
> have 2 offsite (OJC and another one) DNS servers that are configured
> as masters but that we PUSH (with SCP) DNS data to and HUP whenever we
> change the central files on imsahp. So imsahp will be our central
> master DNS server but only in the sense that that is where we edit the
> data, the outside world will consider the 2 offsite servers to be the
> canonical sources for chambana.net.
>
> Does anyone have a proposal for where we might host the other DNS
> server? Or does anyone have a proposal for how to dynamically update
> our whois information while minimizing downtime when our IP changes?
>
> My plan is:
>
> Set all our domains to have a 3 minute TTL on DNS queries so we
> minimize downtime due to DNS caching.
>
> Configure a machine to sit on the OLD IP address and answer DNS
> queries until we figure out exactly how we'll handle DNS stuff.
>
> The T1 is paid until the end of the month then it will be retired. If
> we haven't solved the DNS issues by then I'll move our primary DNS
> server (the machine configured in the step above) to run on the McLeod
> SDSL line that I still have (which will also be retired eventually).
>
> Once I retire the T1, I will be getting a network connection with a
> static IP address up here in Chicago. I can host DNS for chambana.net
> from there, that would solve our second-server issue.
I have a few dedicated boxes that we can use to do this.  there is
also talk of getting a dedicated server in the name acorn/cuwin for
having nodes vpn to which could also be used for this.

>
> dan blah wrote:
> > They will be running the cable line and activating the line this Wednesday
> > in the AM.  This means we can plug a modem in and migrate the
> > chambana.netserver over anytime after that.  What are good times for
> > everyone?
> >
> > --
> > Daniel
>
> > _______________________________________________
> > IMC mailing list
> > IMC at lists.ucimc.org
> > http://lists.chambana.net/cgi-bin/listinfo/imc
>
> --
> Zachary C. Miller - @= - http://zach.chambana.net/
> IMSA 1995 - UIUC 2000 - Just Another Leftist Muppet - Ya Basta!
>  Social Justice, Community, Nonviolence, Decentralization, Feminism,
>  Sustainability, Responsibility, Diversity, Democracy, Ecology
>


--
Daniel


More information about the IMC-Tech mailing list