[dm-devel] RHEL 6: Missing /dev/mpath directory
Mike Snitzer
snitzer at redhat.com
Sat May 7 12:25:58 UTC 2011
On Sat, May 07 2011 at 5:54am -0400,
Gianluca Cecchi <gianluca.cecchi at gmail.com> wrote:
> On Fri, May 6, 2011 at 7:47 PM, Mike Snitzer <snitzer at redhat.com> wrote:
>
> >> In my host I am seeing the devices only as /dev/dm-n and /dev/mapper/mpathx
>
> >
> > Seems we need to update the RHEL6 docs you referenced.
> >
> > /dev/mpath/ namespace is no longer maintained (afaik it was a "feature"
> > of a udev rule. But I could be mistaken. Ben and/or others could
> > correct me if I'm wrong).
> >
> > /dev/mapper/mpath* was always the preferred method of access (even when
> > /dev/mpath/* did exist) -- reason is it was always available regardless
> > of udev.
> >
>
> Am I correct to say that /dev/dm-* should be used only internally by
> device-mapper and not referred to by user programs?
> At least I remember I read something similar...
Yes, that is correct.
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