On Tue, 17 Apr 2007, Maciej ¯enczykowski wrote: >> But --- does jigdo have any kind of indirection in place , eg to get a >> list of mirrors and use them ?? > > It does use a list of mirros for the debian. I haven't really looked > into it too deeply. > Furthermore the jigdo-lite program is really just a shell script - > should be easy to get it to behave however we want it (it just runs > wget). > >> Or could yum be used as a wrapper around jigdo maybe to pull stuff down >> using fastestmirror or maybe even dags stuff ?? > > I would really like to see dynamic DNS resolution based on source IP > giving out the address of the nearest centos compatible mirror - then > it would 'just work'. see below re cnames ... we really need to push the bandwidth out to external mirrors - and 302's are messy ... >> Otherwise it gets messy because mirrors have different file structures, so >> just using CNAME's wont work. > > And that's the problem... But we could possibly work with them to get > this working - at least for http this is relatively trivial (just > setup a virtual domain for whatever global name we would decide on > like mirror.centos.org). Except that is not what we do for mirror.centos.org - all those are our servers. > >> The trouble I see is that if a user doesnt have a local mirror or >> local copy of a set if isos then downloading the packages individually >> from a mirror may be less efficient than downloading an iso / set of isos, >> and certainly without mirror redirect and fastestmirror it is a non starter >> ... > > There aren't that many files on a cd, so the extra time spent opening > closing connections shouldn't really be significant - unless you have > an extremely big pipe. But - yes - we would want each user to use the > closest possible mirror. > >> The fedora guys have beern working on stuff that we also ought to look at >> , and we should look at metalinks while we are at it. > > No idea what this is... :-) https://hosted.fedoraproject.org/projects/revisor I dont really think it is the same thing ... and http://www.metalinker.org/ eg http://www.metalinker.org/samples/CentOS-4.4-i386-binDVD.iso.metalink Regards Lance -- uklinux.net - The ISP of choice for the discerning Linux user.