RFC: new/changed udev rules - Part 1

Bruce Dubbs bruce.dubbs at gmail.com
Sun May 14 16:53:09 PDT 2006


Joe Ciccone wrote:
> Bruce Dubbs wrote:
>> How robust is this? It would seem to work if there are two cdroms, but
>> does it generalize to the admittedly unusual case where there are more
>> than two?  I'm not sure how the drives are recognized.  I only have one
>> and it is at "/sys/bus/ide/drivers/ide-cdrom/0.0"  What do the digits
>> before and after the dot stand for? bus.device as in hda => 0.0  ... hdd
>> => 1.1 ?
>>
>> Since my hard disk drive is sata and recognized as sda, would this work
>> if I have a cdrom on hda and hdb?  Hard coding the 1 doesn't seem to be
>> right to me.
>>
>>   
> It seems to actualy be very robust, I just created a virtual machine
> with a LOT of cdroms.
> 
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom -> hdb
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom0 -> hdc
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom1 -> hdd
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom2 -> sr2
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom3 -> sr3
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom4 -> sr4
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom5 -> sr5
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom6 -> sr6
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom7 -> sr7
> lrwxrwxrwx 1 root root 3 2006-05-14 14:24 /dev/cdrom8 -> sr8

That's cool.  What happens if there is a cdrom on hda too?

  -- Bruce





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