Summary: Strange hardware devices

From: McCracken, Denise <Denise.McCracken_at_misyshealthcare.com>
Date: Fri, 03 Jan 2003 17:32:34 -0700

Thanks to Dr. Thomas Blinn and Rich Glazier for helping out on this one.

The question was:

> Can anyone tell me where these (null) cdrom and tape devices come
>from?
>
> 56: 11 xxx cdrom none 0 1 (null)
> 57: 4 xxx tape none 0 1 tape0 [0/5/0]
> 58: 5 xxx tape none 0 1 (null)
> 60: 12 xxx cdrom none 0 1 cdrom1 [3/5/0]
> 61: 13 xxx tape none 0 1 tape2 [0/6/0]
>

I never did quite figure out where they came from, as they were there after
the initial installation, but now I know how to get rid of them. Suppose,
in the above example, I wanted to have cdrom0 the correct device and get rid
of that cdrom1 ( I only have one CDrom on this box, honest ).

# hwmgr del scsi -id 56, in this case, gets rid of that null cdrom device

Now I want to have cdrom0 correct, so I do:
# dsfmgr -m cdrom1 cdrom0

If I had blown away the cdrom1 device as well, a hwmgr scan scsi would have
brought it back as cdrom2. Then I could have done

# dsfmgr -m cdrom2 cdrom0


-D

Denise McCracken
MiSys Healthcare Systems
Denise.McCracken_at_misyshealthcare.com
(520) 570-2521
Received on Sat Jan 04 2003 - 00:28:31 NZDT

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