I'm working on the software for the South Pole Telescope and using Trac for revision control and project documentation. I will be helping deploy the system at the South Pole, and spending the Winter there. Other than a low bandwidth Iridium link used for email, the only internet connection at the South Pole site is through a geosynchronous satellite, which is only visible about 15 hours a day, not necessarliy during working hours. Even when the satellite is up, web browsing will probably be slow due to link latency. It is here in Kilgore Texas, where we are assembling the telescope, and only have internet access via a Wild Blue satellite link.

I would like to make a local mirror of my Trac wiki at the Pole, and do a nightly bi-directional sync with the copy in Chicago, similar to syncing a PDA to a desktop computer. Does a feature to do this exist? If not, has anybody hacked it up, or know how to do so? I know it can be done for the Subversion repository, but I also want to sync the wiki database. A one way sync should be just a matter of shutting down access and copying the files, and I guess one way to do it would be to have separate wikis for Chicago and the Pole, sync each of them one way to the other site, and use InterWiki links between them. Any comments will be appreciated.

Ken Aird
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