What are dm-x devices?
On Monday 04 August 2008 14:45:07 Anders Karlsson wrote:
> * Anne Wilson <firstname.lastname@example.org> [20080804 14:43]:
> > What are /dev/dm-0 through to /dev/dm-3? They are listed as block
> > devices, and owned root:disk. Looking at gkrellm, dm-0 and dm-2 appear
> > to mirror the activity of my system disk, sdb.
> Device mapper device-nodes. Look in /dev/mapper/ and you'll see them
> again, but with different names.
> > Then there are sr0 and sr1 - what are they? Again, I can't see much in
> > the way of a clue.
> Optical recording devices usually. You have two CD-writers (or
> equivalent) attached?
Yes, that makes sense. There is an ancient CD-writer and a DVD writer.
Thanks for the reply.
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