Date: Wed, 29 Mar 2006 10:14:19 -0300 From: Patrick Tracanelli <eksffa@freebsdbrasil.com.br> To: freebsd-hackers@freebsd.org Subject: Re: cloning a FreeBSD HDD Message-ID: <442A882B.8000207@freebsdbrasil.com.br> In-Reply-To: <200603291953.56112.doconnor@gsoft.com.au> References: <44296F41.1050209@osoft.us> <4429972C.5030806@freebsdbrasil.com.br> <20060328.210412.18287651.imp@bsdimp.com> <200603291953.56112.doconnor@gsoft.com.au>
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Daniel O'Connor wrote: > On Wednesday 29 March 2006 14:34, M. Warner Losh wrote: > >>dump + restore is slow but reliabe. > > > Faster than dd for disks that aren't full :) > > It also gives you a defrag as well as allowing you to change FS options. Yes, pretty much faster for non-full disks, even compared to paralell dd(1). And we always have the "-L" option to snapshot and dump(1) from live file systems, what makes it an interesting and completly viable choice to clone the disks in multiuser mode (no need to go single user). It is my choice to copy a disk into one other. It is even possible to copy a disk to a slower one (again, if the source is not full and if the dst disk have enough space to store all data currently in use in the source disk), and better (customizable new partitions) results when copying to a larger second disk, when compared to dd(1). -- Patrick Tracanelli FreeBSD Brasil LTDA. (31) 3281-9633 / 3281-3547 316601@sip.freebsdbrasil.com.br http://www.freebsdbrasil.com.br "Long live Hanin Elias, Kim Deal!"
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