Date: Sat, 9 Jun 2012 19:55:42 +0200 From: Matthias Apitz <guru@unixarea.de> To: freebsd-hackers@freebsd.org Subject: Re: cleaning /usr/obj before copying it to USB key Message-ID: <20120609175542.GA1108@tiny> In-Reply-To: <79C2B8B9-9A7E-4793-AE03-FE387BB1694B@kientzle.com> References: <20120609143521.GA3940@tinyCurrent> <79C2B8B9-9A7E-4793-AE03-FE387BB1694B@kientzle.com>
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El día Saturday, June 09, 2012 a las 08:57:33AM -0700, Tim Kientzle escribió: > On Jun 9, 2012, at 7:35 AM, Matthias Apitz wrote: > > > > To use the (booted) USB key later to install other laptops or netbooks I > > enrich the key with /usr/src and /usr/obj as: > > > > # cd /usr > > # cp -Rp src /mnt/usr > > # cp -Rp obj /mnt/usr > > > > my problem is that the both 'cp -Rp ...' commands takes many hours (12 > > and six hours) because they are transferring a lot(!!!) of small files; > > As someone else pointed out, flash drives are pretty slow > when making a lot of small writes. > > You can speed things up a lot by creating the image locally > then copying the image to USB. Here are parts of a shell > script I've been using for something similar: > ... Thanks for your hints, Wojciech and Tim; the USB key in question is of 16 marketing GByte; will this work as well with mdconfig or is there some limit? Thanks again matthias -- Matthias Apitz e <guru@unixarea.de> - w http://www.unixarea.de/ UNIX since V7 on PDP-11, UNIX on mainframe since ESER 1055 (IBM /370) UNIX on x86 since SVR4.2 UnixWare 2.1.2, FreeBSD since 2.2.5
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