Date: Fri, 27 Jan 2006 06:06:05 -0500 From: Brent Hostetler <brenthostetler@gmail.com> To: Pawel Jakub Dawidek <pjd@freebsd.org> Cc: freebsd-geom@freebsd.org Subject: Re: Metadata info. Message-ID: <aadbc3580601270306n6fe665c4lc749efb49e26e1a7@mail.gmail.com> In-Reply-To: <20060117120908.GB20602@garage.freebsd.pl> References: <aadbc3580601141319m79e59c1en67e2d1de119fadba@mail.gmail.com> <20060117120908.GB20602@garage.freebsd.pl>
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Thank you, This has helped my understanding greatly of how the meta data works! Brent H. On 1/17/06, Pawel Jakub Dawidek <pjd@freebsd.org> wrote: > No, example 2: > > [----------- ad4 --------------] > [----ad4s1------][---ad4s2-----] > [ad4s1d][ad4s1e]*[---ad4s2a----] > > Example 3: > > [----------- ad4 --------------] > [----ad4s1------][---ad4s2-----] > [ad4s1d][ad4s1e]*[---ad4s2a---]* > > > +> If operating on geom's class providers it works the same way > +> correct? > +> > +> Example 4: > +> > +> gmirror label -v -n -b round-robin data1 /dev/stripe/stripe1 > +> > +> [------------stripe1-----------] > +> [------stripe1s1--------------]* > +> [------stripe1s1a-------------]* <snip> > But the more correct pictures are: > > Disk mirroring: > [------------ ad4 ------------] > [-------- mirror/foo --------]* > [------- mirror/foos1 -------]* > [mirror/foos1s][mirror/foos1d]* > > Slice mirroring: > [------------ ad4 ------------] > [---- ad4s1 ----][--- ad4s2 --] > [- mirror/foo -]*[-- ad4s2a --] > [ mirror/fooa -]* > > Partition mirroring: > [------------ ad4 ------------] > [---- ad4s1 ----][--- ad4s2 --] > [---- ad4s1a ---][-- ad4s2a --] > [- mirror/foo -]* > > Stripe mirroring: > [--- stripe/foo ---] > [--- mirror/bar --]* > [-- mirror/bars1 -]* > [- mirror/bars1a -]* > > Remember that you can setup slices/partitions on mirror device, you > don't have to do it on plain disk. > > -- > Pawel Jakub Dawidek http://www.wheel.pl > pjd@FreeBSD.org http://www.FreeBSD.org > FreeBSD committer Am I Evil? Yes, I Am! > > >
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