Date: Thu, 13 Jan 2005 22:49:08 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Matt Emmerton <matt@gsicomp.on.ca> Cc: freebsd-questions@freebsd.org Subject: Re: How can I speed up a dd copy? Message-ID: <20050114044908.GA9069@dan.emsphone.com> In-Reply-To: <005801c4f9d4$a924f110$1200a8c0@gsicomp.on.ca> References: <20050114003814.27395.qmail@web42109.mail.yahoo.com> <005801c4f9d4$a924f110$1200a8c0@gsicomp.on.ca>
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In the last episode (Jan 13), Matt Emmerton said: > > When I am performing a dd between (2) 36 Gig 160 disks (to > > duplicate them) it takes about 2.5 hrs. Is there any way I can > > speed this up? Is there any better way I can clone a bootable main > > disk? > > A larger blocksize (bs=) will help dramatically. Also try double-buffering with ports/misc/team or ports/misc/buffer. -- Dan Nelson dnelson@allantgroup.com
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