Date: Tue, 21 Aug 2007 09:59:03 -0400 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Rakhesh Sasidharan <rakhesh@rakhesh.com> Cc: freebsd-questions@freebsd.org Subject: Re: GEOM, Vinum difference Message-ID: <44abslgfa0.fsf@be-well.ilk.org> In-Reply-To: <20070820121349.D51751@obelix.home.rakhesh.com> (Rakhesh Sasidharan's message of "Mon\, 20 Aug 2007 12\:31\:56 %2B0400 \(GST\)") References: <20070820121349.D51751@obelix.home.rakhesh.com>
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Rakhesh Sasidharan <rakhesh@rakhesh.com> writes: > I see that if I want to do disk striping/ concating/ mirroring, > FreeBSD offers the GEOM utilities and the Vinum LVM (which fits into > the GEOM architecture). Why do we have two different ways of doing the > same tasks -- any advantages/ disadvantages to either approach? > > I did check the archives before posting this question. Got a couple of > hits, but they seem to be old info. Hence this question. > > The GEOM utilities seem to be newer, fancier, and probably the > future. Vinum seems to be how things used to happen earlier. After > GEOM was introduced, if Vinum had been discarded, I would have > understood. But it wasn't. Instead, it was rewritten for GEOM and is > probably still actively maintained. So I wonder why we have two ways > of doing the same tasks ... > > What I understand from the archives is that Vinum was _probably_ > rewritten for GEOM coz the GEOM utilities were still new and not as > time tested as Vinum. Is that the case? So will Vinum continue to be > around for a while or it be discarded? geom(4) does not provide RAID. It provides framework services that are used by gvinum(8), (and by many other disk-related capabilities).
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