ftp 421 errors when retrieving development files from download.fedora.redhat.com

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Hi,

After manually ftping stuff {13 files: rescue iso, pxe kernel, repodata, stage2.img} from development last few weeks, I created a shell script that did the same. I used urlgrabber to get the files I'm interested in - see attach.

What I noticed was that some {4} downloads failed with python traceback eg:
Traceback (most recent call last):
  File "/usr/bin/urlgrabber", line 124, in ?
    main()
  File "/usr/bin/urlgrabber", line 120, in main
    filename = urlgrab(url,filename=file,**kwargs)
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 597, in urlgrab
    return default_grabber.urlgrab(url, filename, **kwargs)
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 927, in urlgrab
    return self._retry(opts, retryfunc, url, filename)
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 845, in _retry
    r = apply(func, (opts,) + args, {})
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 913, in retryfunc
    fo = URLGrabberFileObject(url, filename, opts)
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 1001, in __init__
    self._do_open()
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 1068, in _do_open
    fo, hdr = self._make_request(req, opener)
File "/usr/lib/python2.4/site-packages/urlgrabber/grabber.py", line 1184, in _make_request
    raise URLGrabError(4, _('IOError: %s') % (e, ))
urlgrabber.grabber.URLGrabError: [Errno 4] IOError: [Errno ftp error] 421 There are too many connections from your internet address.

Now, in terms of this, the machine making the connection {and there isn't any other machine powered on within my NATed IP address}, was running just the script using urlgrabber, and it is used sequentially {one download finishes before the next one starts}, rather than in parallel.

My guess is that the download site is taking a huge hit, which is fair enough, but if that is the case, the message should be "too many connected users" rather than ~" ... from your internet address".

Am I just doing something silly ? {other than not using an in country mirror - which is often a few days late in it's content}

DaveT.

Attachment: fedora-development-fetch-current.sh
Description: application/shellscript

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