Linux is not about choice [was Re: Fedora too cutting edge?]

Andrew Farris lordmorgul at gmail.com
Thu Jan 10 22:17:25 UTC 2008


David Zeuthen wrote:
> On Thu, 2008-01-10 at 09:31 -0600, Les Mikesell wrote:
>> Is it a user program that has changed my /dev/hdX into /dev/sdX more or 
>> less arbitrarily - or turns what used to be detected as eth0 into eth2 
>> when a different kernel is booted?  Admittedly it has been a while since 
>> I've used Solaris, but I can't recall anything like that ever happening 
>> with it.  In a unix-like system where access to everything is through 
>> its device/file name, what is more fundamental than that?
> 
> This is a flawed example. The problem is that you're relying on names
> assigned in an irregular fashion and it will happen on Solaris as well
> if you move disks between controllers etc. The way to do this in the
> modern world is to rely on persistent names. See /dev/disk/* and the
> udev rules for stable network interface names.  Of course you can argue
> that e.g. /dev/sda or /dev/hda should stay stable but I doubt you're
> going to find much sympathy for such a point of view.

And the interesting thing is it looks like /dev/sdX will 'stay stable' as the 
way its done after that change.  Change happens. :)

-- 
Andrew Farris <lordmorgul at gmail.com> <ajfarris at gmail.com>
  gpg 0xC99B1DF3 fingerprint CDEC 6FAD BA27 40DF 707E A2E0 F0F6 E622 C99B 1DF3
No one now has, and no one will ever again get, the big picture. - Daniel Geer
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