Date: Tue, 28 Mar 2006 17:06:04 -0300 From: Patrick Tracanelli <eksffa@freebsdbrasil.com.br> To: freebsd-hackers@freebsd.org Subject: Re: cloning a FreeBSD HDD Message-ID: <4429972C.5030806@freebsdbrasil.com.br> In-Reply-To: <4429959B.4070209@elischer.org> References: <HCEOIFALKKLBLJPENPNOMEMNCAAA.khaled@ipbill.com> <17444.13967.998120.314837@bhuda.mired.org> <200603281139.29588.doconnor@gsoft.com.au> <200603272210.43032.soralx@cydem.org> <44296F41.1050209@osoft.us> <4429959B.4070209@elischer.org>
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>> I heard its faster if you use two dd's; i.e: >> >> # dd if=/dev/ad0 bs=64k | dd of=/dev/ad1 bs=64k >> >> allowing read and write to proceed in parallel. > > > that's what ddd and 'team' are for. > I don't know if ddd is in the ports as it may clash inname with teh > debugger ddd > They internally fork and use several processes synchronised in some manner. Isn't dump+restore and a couple of fdisk+bsdlabel trick to copy the source partitioning a better choice to "clone" this HDD? -- Patrick Tracanelli (31) 3281-9633 / 3281-3547 316601@sip.freebsdbrasil.com.br
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