Date: Sun, 28 Oct 2007 17:45:08 -0800 From: Gary Kline <kline@tao.thought.org> To: Jon Hamilton <hamilton@pobox.com> Cc: Gary Kline <kline@tao.thought.org>, FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: What's best way to copy a filesystem? [was: Re: slight emergency here...] Message-ID: <20071029014508.GA82718@thought.org> In-Reply-To: <20071028233422.GC2196@woodstock.nethamilton.net> References: <20071028215454.GA52631@thought.org> <20071028230203.GA13943@thought.org> <20071028233422.GC2196@woodstock.nethamilton.net>
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On Sun, Oct 28, 2007 at 06:34:22PM -0500, Jon Hamilton wrote: > Gary Kline <kline@tao.thought.org>, said on Sun Oct 28, 2007 [03:02:03 PM]: > > } > At any rate, how do i as root, single user, cp -rp all of /var to > } > elsewhere (/storage) and rmdir /var, them mkdir /var and copy > } > everything back?? I've forgotten the cpio magic command. > } > > } The nutshelll of this posting could be: What's the best tool > } to copy a /FILESYSTEM to /storage/FILESYSTEM? > > The best tool is the one you use successfully. If you're really talking about > a whole filesystem, dump and restore may contain the least surprises in > unusual situations: > > $ newfs /dev/whatever > $ mount /dev/whatever /mnt > $ cd /dev/whatever > $ dump 0af - /old_filesystem | restore -rf - > > Then delete /mnt/restoresymtable when it's all done. > > Of course you can use tar, cpio, cpdup if you have it, or even cp. At > different points in time historically some of those have had problems with > some situations like sparse files, "extra" hard links, symlinks, etc. > Seems like I'm running into inode problems.... I finally tar'd /var to a /temp fs, then forgot to do the newfs. So now I've got a fs panic. Hope it isn't a bad drive..... thanks. gary > -- > > Jon Hamilton > hamilton@pobox.com -- Gary Kline kline@thought.org www.thought.org Public Service Unix http://jottings.thought.org http://transfinite.thought.org
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