Re: ..weeding out bad debs off mirrors, was: Can I get some help, please?
On Fri, 25 May 2007 14:13:45 -0300, Carlos wrote in message
> Arnt Karlsen (firstname.lastname@example.org) 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.
> >> Cheers,
> >> Klaus
> >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?
> >> mirror.ac3bf1.org
> >> John
> >..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 baaad.debs
> >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.
..aye, but _precisely_how_ do you do it? Playing with Rafal's
'zcat indices/md5sums.gz |md5sum -c |grep -v ": OK" |grep -v ' etc
from the mirror root, I keep finding new innovative variations of
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.