Re: ..weeding out bad debs off mirrors, was: Can I get some help, please?
any automation we can use to check the files though md5?
like a script maybe? anyone done something similar?
On 5/25/07, Carlos Carvalho <firstname.lastname@example.org> wrote:
Arnt Karlsen (email@example.com) wrote on 22 May 2007 14:54:
>On Tue, 22 May 2007 07:01:39 +0200, Klaus wrote in message
>> Arnt Karlsen wrote:
>> > ..one thing I haven't found, is an easy way to weed out bad files off
>> > my (big bad disk, replacement ordered) mirror after fsck's, my plan is
>> > use md5sum down the debian/tree and weed out all the bad files, instead
>> > of wasting another week re-downloading all the good stuff (right now
>> > I have 71GB of i386 and source) to build a full mirror. Pointers?
>> Isn't that what debmirror does anyhow to verify the integrity of the mirror?
>> At least I seem to remember that bad or missing files were fixed with the next remirror of my mirror.
>On Tue, 22 May 2007 08:25:38 +0100, Jonathan wrote in message
>> doesn't rsyncing take care fo this by itself updating the mirror?
>..IME no (but I use the anonftpsync script), as long as the file names
>matches, all files are accepted as good, I see no md5sum kinda check
>done. I appreciate the "do not dump that load upstream", so I'm looking
>for some kinda find *.md5sum* ->xarg md5sum-c -> rm -vf
>oneliner or somesuch to verify my mirror update, pointers?
rsync will check the integrity of existing files if used with option -c.
However this puts a high load on the server so many of them disable
its use. A debian mirror does not need to allow it.
The default is to not use -c; in this case only the date and length
are used to decide if a file should be updated.
One can use the checksums in indices/md5sums.gz to verify the files
locally. Very useful indeed... I do it periodically, because a mirror
is a significant responsibility.
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