Hello. Since some time I noticed that after some executions of 'apt-get update' I'm getting 'md5sum mismatch errors'. I've just tracked this thing down. My apt setup used apt-cacher, whith 3 mirrors configured: ftp.de.deban.org, ftp.uk.debian.org and ftp.us.debian.org [probably this is default setup]. And the problem was caused by ftp.us.debian.org entry. This looks like round-robin dns: nikita@blacky:~> host ftp.us.debian.org ftp.us.debian.org has address 128.101.240.212 ftp.us.debian.org has address 204.152.191.7 ftp.us.debian.org has address 35.9.37.225 Out of these 3 IPs, 35.9.37.225 and 128.101.240.212 have /debian/dists/testing/Release file dated Jan 06, but 204.152.191.7 has the same file dated Jan 02 and with different content. I don't know if this is a temporary problem (128.101.240.212 not updated for some reason), or a more permanent problem showing that round-robin dns is not a good idea for debian archive mirror (servers do update mirrors at different time, so chances are that client requests Release file from one server and Packages.bz2 from another server). Looks like later - the md5sum mismatch errors started some weeks ago and do happen often here. Nikita
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