ken at kencausey.com
Sun Feb 6 21:27:30 UTC 2011
So it was not as bad as I had feared.
An incremental backup from 7/6/10 to today: approximately 5GB of
additional filespace used, backup time over 10mbit cable connection (DE
to US) about 2 hrs 40 min.
Again, this is not the entire filesystem but it covers nearly all custom
> -------- Original Message --------
> Subject: RE: [Box-Admins] Permissions
> From: "Ken Causey" <ken at kencausey.com>
> Date: Sun, February 06, 2011 10:33 am
> To: "Squeak Hosting Support" <box-admins at lists.squeakfoundation.org>
> Forget the figures below regarding the time it has taken me to do an
> incremental. I screwed up and did not do an incremental but a complete
> copy (pathing mistake). I'm going to start it again (right I hope) and
> I'll let you know.
> > -------- Original Message --------
> > Subject: RE: [Box-Admins] Permissions
> > From: "Ken Causey" <ken at kencausey.com>
> > Date: Sun, February 06, 2011 10:27 am
> > To: "Squeak Hosting Support" <box-admins at lists.squeakfoundation.org>
> > > -------- Original Message --------
> > > Subject: Re: [Box-Admins] Permissions
> > > From: Göran Krampe <goran at krampe.se>
> > > Date: Sun, February 06, 2011 2:15 am
> > > To: box-admins at lists.squeakfoundation.org
> > >
> > >
> > > Hi all!
> > >
> > > Yes, we used rsnapshot earlier, but all though it uses rsync (good for
> > > partial file changes) it ends up using hardlinks etc on the target and
> > > thus consumes quite a bit of space there.
> > >
> > > For my local needs (laptop onto a USB vfat drive) I ended up picking
> > > Duplicity the other day. But either way we want a solution that
> > > transfers only modifications.
> > >
> > > I would be happy with a solution that simply keeps an offsite "mirror".
> > > Rsnapshot gave us "history" too, and sure, if we can use it then it is
> > > probably a good choice. Ken suspected transfers were large, but I am
> > > unsure, I hope they are not and that it uses rsync for the actual transfer.
> > There is no doubt that it is using rsync, it's just a fancy shell script
> > really and it logs the major commands it executes in the log file
> > (/var/log/rsnapshot.log). As such my early speculation that whole files
> > are being sent is probably wrong, unless some special invocation of
> > rsync is required for deltas to be used (I can't claim to be an rsync
> > expert.)
> > However, as I mentioned separately I'm trying to update my local backup
> > of the primary server content in much the same way rsnapshot does, but
> > manually (using rsync). I have an, in theory, 10mbit Internet
> > connection, of which I really get more like 5-7mbit downloads. The
> > incremental (since last July) of /home/ took over 6 hours and actually
> > it doesn't look right to me, I'm going to have to do it again. I've
> > started a sync of the other stuff now and we'll see how that goes and
> > then I'll get back to /home/. My connection is asynchronous like most
> > home connection (probably 3/4 mbit), so I wonder if there is a lot of
> > two way traffic involved which could explain the time it is taking. I
> > haven't done the math though to see what is reasonable.
> > >
> > > Currently I don't have a proper broadband, but if we set up something
> > > that can run "night time" off to people "home computers", then that
> > > should be enough I think. The reason we used a server that my former
> > > employer had was that it was also a Hetzner box so the connection was
> > > really good.
> > >
> > > regards, Göran
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