Date: Wed, 8 May 1996 06:05:17 -0600 From: Nate Williams <nate@sri.MT.net> To: Michael Smith <msmith@atrad.adelaide.edu.au> Cc: rgrimes@GndRsh.aac.dev.com (Rodney W. Grimes), nate@sri.MT.net, current@FreeBSD.ORG Subject: Re: *SLOW* remote dumps Message-ID: <199605081205.GAA24091@rocky.sri.MT.net> In-Reply-To: <199605080953.TAA28551@genesis.atrad.adelaide.edu.au> References: <199605080602.XAA02949@GndRsh.aac.dev.com> <199605080953.TAA28551@genesis.atrad.adelaide.edu.au>
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> > > > I decided to backup my laptop since I got a new disk for doing -current > > > > development last week, and backups speeds are running > > > > 30-40K/sec, .. > Why are you using rsh? > > We've been remote-dumping (and restoring, AFAIK) for quite some time, > with excellent throughput using : > > dump 0fuB <host>:/dev/nrst0 2097000 <filesystem> I never tried changing the block size, but using the stock rdump, my dumps were running at 30-40K/sec (only under -current. -stable is plenty fast). > on 2GB DDS tapes. Using host:device sends stuff to rmt which is highly > preferable to rsh. Normally I use rdump, but it was so slow as to be unusable. Nate
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