Date: Wed, 10 Nov 2004 09:09:41 +0200 From: Nelis Lamprecht <nlamprecht@gmail.com> To: Matt Staroscik <matt@wrongcrowd.com> Cc: FreeBSD Questions <questions@freebsd.org> Subject: Re: Do you need to dismount /usr to dump it? Message-ID: <7cbadc8704110923092da9d7a7@mail.gmail.com> In-Reply-To: <6.1.2.0.2.20041109210506.08edc590@mail.speakeasy.net> References: <6.1.2.0.2.20041109210506.08edc590@mail.speakeasy.net>
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On Tue, 09 Nov 2004 21:21:42 -0800, Matt Staroscik <matt@wrongcrowd.com> wrote: > > If I boot to single-user mode (reboot, hit space, do boot -s) and dump /usr > to a file, I get read errors on a couple of blocks. > > Running fsck -y (also in single user of course) did not show a problem, but > it did not clear up the errors when I tried the dump again. > > I thought it was safe to dump /usr in single-user mode. Will I need to boot > off a CD or try another trick to get a clean dump of /usr? Or perhaps I am > not using the right fsck options? > > the dump command I used is: > dump 0af /someotherplace/filename.dump /usr > Try running the command: dump -0 -a -f /someplace/filedump /dev/ad0s1g (or whatever your /usr partition uses for /dev) I recall there also being a -L flag for live systems which you may want to try though I think it is only available in 5.x ? ...not to sure. Nelis
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