[Novalug] kernel pci probe question

greg pryzby greg@pryzby.org
Thu Apr 3 17:17:05 EDT 2008


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I don't recall the specifics, but I do recall that you can use by-name
and that uses a long identifier (or maybe it was by-identifier) that
isn't dependent on boot order.

maybe I will research it later and see if I can find the answer....

Mark Smith wrote:
> my company makes an appliance-like device which includes linux as
> its core.  our software is setup to use specific devices for specific
> file systems.  in particular we have one appliance with a RAID setup
> which is on sda.  the problem is that every now and then it shows
> up on a different device special file.
> 
> my questions...
> 
> is there any possible setting in the BIOS that can change the
> ordering of devices?  it was my understanding that the kernel does
> its own hardware probe and does not rely on anything the BIOS
> provides in that regard.
> 
> what else could change the ordering of devices sans actually moving
> the card position in the chassis or the connectors on the disk arrays?
> 
> 

- --
greg pryzby                              greg at pryzby dot org
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