(Should also go to the list .....)
"Jan H. Schrewe" schrieb:
>
> Matthijs van der Klip schrieb:
> >
> > On Thu, 6 Dec 2001, Ivan Rayner wrote:
> > > I don't think xfsdump is a very good choice here. xfsdump will scan the
> > > entire filesystem every time you run it, even if you select a higher level
> > > dump. I doubt that for a 10GB filesystem it will be able to run to
> > > completion within 5 minutes ('course this depends on your circumstances).
> >
> > Ah, this is information I needed. I already wondered if xfsdump did a scan
> > or something more intelligent.
> >
> > BTW I can do a level 2 xfsdump of a 20Gb filesystem in around 80 secs. This
> > was timed on a filesystem with around 300.000 files.
> >
> > > I think you'd be better off monitoring the ftp log to see what files have
> > > changed and then use rsync on those. I'm sure it'd be fairly easy to do
> > > this in something like perl.
> >
> > <slightly off-topic>
> >
> > Problem with this is the information contained in the ftp logs itself by
> > default is not sufficient:
> >
> > 1) I can use the xferlog, but this contains only xfers, no mkdir's, chmod's
> > etc. Moreover spaces in filenames are replaced by underscores so the log
> > essentialy contains invalid filenames.
> >
> > 2) I can use the ftp command log, but this contains literal ftp commands,
> > which I would have to parse in order to filter the information I need. It
> > doesn't even contains full pathnames to files...
> >
> > Ofcourse this could be solved by hacking the ftp daemon so it writes the log
> > I want it to, but I'm not convinced this is the way to go.
> >
> > </slighty off-topic>
> >
> > Best regards,
>
> Is it correct that only one server recives the data and the others should just
> mirror the files? Then you should have a look at DRBD (it does raid-1 over
> ethernet) at
> http://www.complang.tuwien.ac.at/reisner/drbd/
>
> It was developed for High Availibilty clusters but I think it should do waht
> you
> want.
>
> cheers
>
> Jan
>
> > Matthijs van der Klip
> > NOS Dutch Public Broadcasting Organisation
> >
> > [[HTML alternate version deleted]]
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