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-   -   multi-path devices only created in /dev/mapper (http://www.linux-archive.org/device-mapper-development/18313-multi-path-devices-only-created-dev-mapper.html)

"Paul Cote" 12-12-2007 06:37 PM

multi-path devices only created in /dev/mapper
 
Hi


*


I just recently upgraded a RH server to update 5 and
recently noticed that multi-path devices are no longer being created in the
/dev/mpath … but just in /dev/mapper.


Has /dev/mpath been deprecated in update 5? … or is
there something else going on?


*


Thanks,


Paul







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Benjamin Marzinski 12-14-2007 06:52 PM

multi-path devices only created in /dev/mapper
 
On Wed, Dec 12, 2007 at 02:37:43PM -0500, Paul Cote wrote:
>
>
> Hi
>
>
>
> I just recently upgraded a RH server to update 5 and recently noticed that
> multi-path devices are no longer being created in the /dev/mpath ... but
> just in /dev/mapper.
>
> Has /dev/mpath been deprecated in update 5? ... or is there something else
> going on?
>

They should be created in /dev/mpath. This is done by udev. Is udev
otherwise working properly. If you partition the underlying device, do
dm devices get created for the partitions by kpartx?

Also, since the /dev/mapper device nodes exist as soon as the
device is created, and the /dev/mpath symlinks don't get created until
udev gets around to it, you are usually better off simply using the
/dev/mapper names anyways.

-Ben

>
>
> Thanks,
>
> Paul

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> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel

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