Date: Fri, 16 Oct 2009 21:21:29 +0300 From: Manolis Kiagias <sonicy@otenet.gr> To: PJ <af.gourmet@videotron.ca> Cc: freebsd-questions@freebsd.org Subject: Re: GEOM label clarification Message-ID: <4AD8B9A9.7030306@otenet.gr> In-Reply-To: <4AD8B65C.9020603@videotron.ca> References: <4AD8B65C.9020603@videotron.ca>
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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.
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