Date: Wed, 16 May 2007 13:54:16 -0700 From: "Jeff Mohler" <speedtoys.racing@gmail.com> To: "youshi10@u.washington.edu" <youshi10@u.washington.edu> Cc: freebsd-questions@freebsd.org Subject: Re: Best remote backup method? Message-ID: <a969fbd10705161354x4c83979fraaa5e3c1ecef7e5a@mail.gmail.com> In-Reply-To: <Pine.LNX.4.43.0705161344040.23769@hymn02.u.washington.edu> References: <20070516202735.GB97410@slackbox.xs4all.nl> <Pine.LNX.4.43.0705161344040.23769@hymn02.u.washington.edu>
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Is there a free NDMP tool for Freebsd?
On 5/16/07, youshi10@u.washington.edu <youshi10@u.washington.edu> wrote:
>
> On Wed, 16 May 2007, Roland Smith wrote:
>
> > On Wed, May 16, 2007 at 01:38:13PM -0500, Paul Schmehl wrote:
> >> I'm presently backing up two servers in a remote location to a usb
> drive
> >> located elsewhere by using rsync over ssh (all three are FreeBSD
> boxes.)
> >> After the recent discussion about dump, I'm wondering if I would gain
> >> anything by using dump rather than rsync. Has anyone used both? Any
> >> thoughts as to which is "better" and why?
> >>
> >> The rsync command I use is:
> >> rsync -avz ${LOCALDIR} -e "ssh -i ${KEY}" ${REMOTEHOST}:${REMOTEDIR}
> >
> > With dumps it is easier to keep different ones around. If you rsync a
> > directory, all previous changes are lost. If you rsync to a different
> > directory every time to keep different versions, you might as well use
> > tar, because rsync won't save a lot of space/time in that case. And dump
> > will backup all ufs2 features such as flags and acls. I'm not sure if
> > rsync can manage that. It's also easy to compress dumps, which can save
> > a lot of space.
>
> Tar is expensive time-wise anyhow after a while if you use compression.
>
> Also, rsync does diffs on files, which can become expensive in terms of
> time.
>
> -Garrett
>
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