Date: Tue, 07 Nov 2006 10:28:38 -0500 From: Chuck Swiger <cswiger@mac.com> To: Jonathan Horne <freebsd@dfwlp.com> Cc: freebsd-questions@freebsd.org Subject: Re: i need to upgrade a disk Message-ID: <4550A626.6090802@mac.com> In-Reply-To: <200611070900.01897.freebsd@dfwlp.com> References: <200611070900.01897.freebsd@dfwlp.com>
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Jonathan Horne wrote: > i have a system that is FreeBSD 6.2-PRERELEASE, that i need to upgrade its > single disk. id like to keep all its existing slices the same size, and then > use the unused space to create a new /opt slice. would dd be the way to go? > if so, could someone advise on its proper usage for duplicating one disk to > another? dd would be one way. Use fdisk or sysinstall to create a disk label on the new disk with the partitions sized and named as you want. Then run: dd if=/dev/ad0s1a of=/dev/ad1s1a bs=64k ...for each partition (except swap), where you would use the appropriate device names-- if is the source, of points to where you are writing to. It's best to do this in a shell after booting off a FreeBSD CD, so that the on-disk filesystems are not actively mounted when you copy them. The FAQ has a more complete discussion and alternatives like using dump and restore, I believe. -- -Chuck
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