[tex-live] Rsync, a different question

Robin Fairbairns Robin.Fairbairns at cl.cam.ac.uk
Mon Nov 10 08:57:05 CET 2008

Vladimir Volovich <vvv at vsu.ru> wrote:

> "RF" == Robin Fairbairns writes:
>  RF> the ctan sites (cambridge, dante and tug) are within 15 minutes
>  RF> of each other (unless actually broken).
> but unfortunately the timestamps of many of the files on these main
> ctan sites are not properly synchronized.

they are, however, properly synchronised, in the sense that ftp
mirroring between the sites "works".

> in other words, if one would try to first rsync from tug and then
> rsync from cambridge, rsync would think that lots and lots of files
> have changed. (i've mentioned this problem some time ago and was told
> that the ctan sites themselves were/are not being syncrponized using
> rsync and therefore these timestamp differences are present).

luckily, the mirror director will never switch you between two ctan
sites, since they're all in different countries.

i presume that the same problem can arise between two mirrors of the
same site, one of which uses ftp and the other uses rsync.

ftp mirroring is broken, anyway -- always has been -- but we've lots of
experience of working around the problems (that is to say, rainer has,
and some of it has rubbed off on jim and me).  rainer's mirror of
cambridge (for the things that i'm the "gateway" for) is currently
running rsync.

... enough of this rambling.


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