more on /dev/dm-0

Phillip Susi psusi at
Mon Mar 20 20:53:33 UTC 2006

Right, the kernel name is dm-0 in sysfs, and so your udev decides to 
create /dev/dm-0.  Either configure udev not to do that, or ignore 
/dev/dm-0 and use the name in /dev/mapper. 

James Olson wrote:
> After looking around I think that /dev/dm-0 shows up due to the kernel block devices in the /sys filesystem showing up.  I see a /sys/block/dm-0, dm-1, etc.  Perhaps the kernel assumes that any device mapper device is another block device, not sure.

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