Date: Mon, 04 Feb 2008 21:22:24 +0000 From: Mike Bristow <mike@urgle.com> To: Jerry McAllister <jerrymc@msu.edu> Cc: Christian Baer <christian.baer@uni-dortmund.de>, freebsd-questions@freebsd.org Subject: Re: Strange HDD order Message-ID: <47A78210.8070201@urgle.com> In-Reply-To: <20080204170848.GH7685@gizmo.acns.msu.edu> References: <fo4b5e$1phk$5@nermal.rz1.convenimus.net> <cd6b4a5b0802030740p71bc3748p1b1a57c9829dfd79@mail.gmail.com> <fo6shm$1vo5$1@nermal.rz1.convenimus.net> <20080204170848.GH7685@gizmo.acns.msu.edu>
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Jerry McAllister wrote: > On Mon, Feb 04, 2008 at 12:22:30PM +0100, Christian Baer wrote: > >> On Sun, 3 Feb 2008 09:40:53 -0600 Matt wrote: >> >>> Is the concern with the apparent out-of-order numbering based on how >>> you want to access these devices in areas like fstab? >> No, not really. Once I set them up in the directory tree, what the drive's >> device name is won't make a diff to how the system works. I was more >> worried that maybe the device names (numbers) could change in the future >> and then I'd have to start wonderung about what drive is what now and >> where to mount what device now. > > They won't change unless you move them. If you rearrange the order > then their device numbers will change and you would have to modify > the /etc/fstab file. But, they won't change just by rebooting > or something like that. You would have to open the cabinet and > move them. If you are worried by this sort of thing, label your filesystems (with newfs -L or tunefs -L) and mount using /dev/ufs/<volname>. My fstab has: /dev/ufs/root / ufs rw 1 1 /dev/ufs/home /home ufs rw 2 2 /dev/ufs/tmp /tmp ufs rw 2 2 /dev/ufs/var /var ufs rw 2 2 for example.
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