create device

[Tony Alfrey]

C M Reinehr wrote:
> On Tue 26 July 2011 06:43:04 pm Tony Alfrey wrote:
>> Thanks.  I actually thought I might have seen that somewhere but it
>> didn't click when I was fussing with this.  I was just terrified that I
>> couldn't mount the disk by what seemed like conventional means.
>>
>> Lonni J Friedman wrote:
>>> Fedora (and all recent Linux distros) switched to using SCSI emulation
>>> for all hard disks.  the /dev/hdX nomenclature has been deprecated for
>>> quite some time.
>>>
>>> On Tue, Jul 26, 2011 at 2:19 PM, Tony Alfrey <tonyalfrey at earthlink.net> 
> wrote:
>>>> Tony Alfrey wrote:
>>>>> Hello;
>>>>>
>>>>> Maybe there are Fedora experts here.
>>>>>
>>>>> System:
>>>>>
>>>>> Athlon
>>>>> Windows on IDE drive
>>>>> SuSE 9.1 on SATA sda
>>>>> Fedora 10 on SATA sdb
>>>>> Silicon Image controller for the SATA drives.
>>>>>
>>>>>
>>>>> Recently upgraded an old Fedora 6 installation with the Fedora 10.
>>>>>
>>>>> Now I want to be able to mount the IDE drive on the Fedora 10.
>>>>> I can do this easily on the SuSE 9.1, but for some reason, there is no
>>>>> hda1 in /dev for the IDE drive. Â I'm assuming that I need to make a
>>>>> block device. Â There is a script /dev/MAKEDEV on Fedora 10 but it
>>>>> wants various parameters for the drive that I do not know about. Â How
>>>>> do I go about finding the information needed to make this happen, or
>>>>> is there some automated way to make the drive be visible. Â This
>>>>> Fedora 10 installation looks /way/ different than the Fedora 6 and
>>>>> frankly, the thing baffles me.
>>>>>
>>>>> Thanks
>>>> I also found on a KDE manpage that I should use mknod like this
>>>>
>>>> mknod -m 660 /dev/hda b 3 0
>>>> mknod -m 660 /dev/hda1 b 3 1
>>>> chown root:disk /dev/hd*
>>>>
>>>> I suppose that the chown makes root the owner and disk the group for all
>>>> of the partitions (just one) in hda.
>>>>
>>>> And there is also a directory /dev/disk/by-id which seems to have links
>>>> from block devices that appear to be the drives to various partitions
>>>> on the SCSI drives. Â I think one is the drive I want, but it is linked
>>>> to sdc, which I don't have (only two SCSI drives). Â I assume Fedora 10
>>>> did this when I installed it.
>>>>
>>>> Any help would be appreciated.
> 
> Tony,
> 
> I imagine that you are using udev to manage all of your device entries. IIANM 
> all of the modern distributions have switched to udev over the past several 
> years. Instead of using MAKEDEV to create new /dev entries you edit rules in 
> /etc/udev. I think MAKEDEV still will work, but changes will be lost after the 
> first reboot.
> 
> Cheers!
> 
> cmr


Thanks.  I will have to study that.  For now, I am just using the 
devices that Fedora set up when installed.  Now that I know that they 
don't have hd* labels, I can find the device.  So I am not making any 
/new/ devices, but it's good to know how to make them.



-- 
Tony Alfrey
tonyalfrey at earthlink.net
"I'd Rather Be Sailing"