Thanks...Art
On 11/2/07,
James Olin Oden <james.oden@xxxxxxxxx> wrote:
On 11/2/07, Tim Verhoeven <tim.verhoeven.be@xxxxxxxxx> wrote:
> On Nov 2, 2007 8:14 PM, Art Baldini <rootajb@xxxxxxxxx> wrote:
> > Hi All,
> > I am trying to create an MD device. I am using the command:
> > /sbin/mdadm --create --a /dev/md12 --level=1 --run --raid-devices=2
> > /dev/sda12 /dev/sdb12
> > to create the device, and to dynamically create the device file if needed.
> > What I want is the device file to be created as /dev/md12, but with the -a
> > flag it creates it as /dev/md<first unwsed minor number>.
> >
> > I have tried various options to the -a or --auto, but cannot seem to find
> > the correct syntax. From the man page it says:
> > -a, --auto{=no,yes,md,mdp,part,p}{NN}
> > Instruct mdadm to create the device file if needed, and to
> > allocate an unused
> > minor number. "yes" or "md" causes a non-partitionable array
> > to be used.
> > "mdp", "part" or "p" causes a partitionable array ( 2.6 and
> > later) to be used.
> > The argumentment can also come immediately after "-a". e.g.
> > "-ap".
> >
> > Am I doing something wrong, or is there no way to get mdadm to automatically
> > create a specific device file.
>
> I've done it like this :
>
> mdadm --create /dev/md12 --auto=yes --level=1 --run --raid-devices=2 /dev/...
>
The only difference is that he is doing -a rather than --auto=yes. I
get the same result as Art is getting when I do it your way. You can
still access it as /dev/md12, but it shows up in /proc/mdstat as
/dev/md0 (which is, well, weird).
Cheers...james
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