[nSLUG] Mirrors

Johnathan Thibodeau jthibo at chebucto.ns.ca
Wed Feb 3 14:31:14 AST 2010


On Wed, 3 Feb 2010, Jason Kenney wrote:

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

I think that's just serving a couple of informational web pages, with no 
actual access to the mirror directories.

>
>
> 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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