[nSLUG] Mirrors

Jason Kenney jdkenney at gmail.com
Wed Feb 3 14:16:34 AST 2010


There's an HTTP gateway you should probably prefer anyway - http://ftp.nrc.ca


Jason

On Wed, Feb 3, 2010 at 1:48 PM, Johnathan Thibodeau
<jthibo at chebucto.ns.ca> wrote:
> Daniel Morrison wrote:
>> Thanks for the tip! Errrr, and the address would be?
>
> Should be ftp.nrc.ca . I'm not sure what their setup is, but it seems to
> be a gateway onto a couple other ftp servers. ftp3.nrc.ca is the one
> advertised by Debian as holding their mirrors, which I used prior to
> Dal's mirror.
>
>> I googled and found ftp://ftp.nrc.ca/, but it's not responding right now...
>
> Are you by chance using Google Chrome?
>
> I happened to be playing around with Chrome the past couple days, and
> when I tried browsing ftp://ftp.nrc.ca with it, it doesn't work! Seems
> Chrome isn't closing the FTP data connection, which is causing a delay
> in the server's response. At least that's what a cursory glance with
> Wireshark seemed to be saying. Using a regular FTP client works correctly.
>
> And it's not just the NRC's FTP site, I can't connect to any FTP server
> with Chrome. Anyone else have this issue?
>
>> I think the short answer is: the Dal mirror is primarily intended for
>> people at Dal/on campus, it raises Dal's profile (i.e. good
>> publicity), and more mirrors are better!
>
> Hurrah!
>
>> On 3 February 2010 09:13, Warren Robertson <WRobertson at dal.ca> wrote:
>>> [ ... ] I use it here at Dal and I can download faster
>>> from it then I can transfer from a local server.....which seems very
>>> strange.
>
> Looking at your Fedora download speed below, your network port must be
> turned up to 100 Mbps ( 11325.59 KBps ~ 88 Mbps, and doesn't TCP ease
> back to and average of around 90% of maximum throughput? )
>
> Chances are your server is connected at 10 Mbps. Unless someone
> specifically asked for more, UCIS would have set it to 10 Mbps when they
> installed the connection. I still don't know why 10 Mbps is the
> 'standard' for a UCIS connection. Blargh.
>
> So it's likely the port speed to your server is the bottleneck.
>
>>> Oh, and it has every distribution I've ever looked for.
>
> They even have a ZMailer mirror which is up to date with a U of T mirror
> which was last updated in the mid '90s. Woot! It's a shame they don't
> have an Ubuntu-cd mirror though.
>
>>>
>>> I just downloaded the Fedora Live CD and here is the report, check out
>>> the speed!
>>>
>>> 150 Opening BINARY mode data connection
>>> for /pub/systems/linux/redhat/fedora/linux/releases/12/Live/x86_64/Fedora-12-x86_64-Live-KDE.iso (718274560 bytes).
>>> 226 Transfer complete.
>>> Successfully
>>> transferred /pub/systems/linux/redhat/fedora/linux/releases/12/Live/x86_64/Fedora-12-x86_64-Live-KDE.iso at 11325.59 KB/s
>
> --
> John
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