Date: Fri, 16 Oct 2009 15:14:52 -0400 From: PJ <af.gourmet@videotron.ca> To: Manolis Kiagias <sonicy@otenet.gr> Cc: freebsd-questions@freebsd.org Subject: Re: GEOM label clarification Message-ID: <4AD8C62C.2060009@videotron.ca> In-Reply-To: <4AD8B9A9.7030306@otenet.gr> References: <4AD8B65C.9020603@videotron.ca> <4AD8B9A9.7030306@otenet.gr>
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Manolis Kiagias wrote: > PJ wrote: > >> If I understand correctly from the manual, giving the labels their slice >> name (/dev/label/rootfs rather than /dev/ad4s1a) will assure that >> regardless of the disk, the boot will be from the disk being booted and >> not from another disk as happened to me recently - the fstab on disk ad4 >> was referncing ad12 so the boot was from ad12 rather than ad4. >> The handbook says: >> "By permanently labeling the partitions on the boot disk, the system >> should be able to continue to boot normally, even if the disk is moved >> to another controller or transferred to a different system. For this >> example, it is assumed that a single ATA disk is used, which is >> currently recognized by the system as ad0." >> If the disk is moved to another system, it may no longer be ad0... So >> will it still boot correctly? >> >> >> > > In short, yes. I do this routinely all the time. > Assuming of course that the device is connected to a controller that > FreeBSD recognizes. > This should be a non-issue for standard ATA/SATA disks. > > >> Or should the ufsid labels be used? >> >> >> > > The ufsid is also an option if you do not wish to create the labels > yourself. > The advantage of user-created labels is that they are not 'cryptic' like > the ufsid ones > and you may actually remember them :) > > >> Will both of these contortions work? >> >> > > Yes, both will do. > > Thanks for the reassurance. Now to start labelling. Uh.. I guess that means that if I label 1 disk and then clone it to several others, they wil all work from any system... Well, I guess I'll try it. Thanks again.
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