Mailinglist Archive: opensuse-project (46 mails)

[Francis Giannaros <francisg@xxxxxxxxx>]

On Thursday 15 February 2007 20:19:18 albryan@xxxxxxxxxxx wrote:
> .metalinks were ready for 10.3 Alpha1 ISOs at
> http://download.packages.ro/metalink/opensuse/ as soon as the mirrors
> synced. Note, these .metalinks do not yet contain repair information. (Only
> full file checksums - if someone wants to hack the perl script to include
> repair info, let me know!)
>
> .metalinks (for 10.2 and 10.3 Alpha1, i386 so far but x86_64 in a few
> minutes) with repair information are at:
>
> http://www.metalinker.org/samples.html#opensuse
>
> Besides individual .metalinks for each ISO, there is also a .metalink for
> all 5 CD ISOs.
>
> The latest aria2 (0.10.1, RPMs graciously provided at
> http://linux01.gwdg.de/~pbleser/rpm-navigation.php?cat=/Network/aria2 ) can
> autocorrect/repair metalink downloads if they contain chunk checksums.
> Basically, your finished download should have no errors when it's done,
> similar to rsync and BitTorrent downloads. And it should be pretty fast
> (depending on your connection speed) by using multiple mirrors.
>
> From Tatsuhiro Tsujikawa, aria2 author:
>
> "As of 0.10.0 aria2 supports chunk checksum in Metalink: it validates chunk
> checksums while downloading a file like BitTorrent. This gives safer and
> more reliable download experience.
>
> 1) Before dowload begins: Use this to correct damaged downloads.
> 2) Realtime hash checking: Validate checksum on the fly like BitTorrent."
>
> Some people had file fragmentation issues if their filesystem was reiserfs.
>
> It would be good to have more comments from people using reiserfs to see if
> --file-allocation=prealloc fixes the issue. Please post bug reports or
> comments at http://aria2.sourceforge.net/ to help improve it.
>
>
>        --file-allocation=METHOD
>           Specify file allocation method.  METHOD is either none or
> prealloc. none doesn’t pre-allocate file space.  prealloc pre-allocates
> file space before download begins. This may take some time depending on the
> size of file. Default: none

Nice stuff. I just did a download of the 5 CDs and it went wonderfully. 

Hopefully this time round we/openSUSE can be making our own metalinks, too. I 
might edit the development release page in a bit to update it with the new 
table (like the released version has) which is prettier. 

Regards,
-- 
Francis Giannaros
Web: http://francis.giannaros.org
IRC: apokryphos (irc.freenode.net)
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