disk devices in F9 interchanged

Matt Domsch Matt_Domsch at dell.com
Sat Mar 29 13:30:13 UTC 2008


On Fri, Mar 28, 2008 at 01:49:02PM +0000, Roderick Johnstone wrote:
> Matt Domsch wrote:
> >On Wed, Mar 26, 2008 at 03:08:41PM -0400, Will Woods wrote:
> >>On Wed, 2008-03-26 at 11:57 -0400, Clyde E. Kunkel wrote:
> >>>Joachim Backes wrote:
> >>>>I my actual F8, I have 2 disk devices: One Sata-Disk: /dev/sda, and 1 
> >>>>IDE-Disk: /dev/sdb.
> >>>>But in F9 Beta, these two disks seem to be interchanged (/dev/sda <--> 
> >>>>/dev/sdb). Is this true, and if yes, why?
> >>>>
> >>>>Regards
> >>>>
> >>>Should drive detection change from alpha to beta? Does it really make 
> >>>any differnce?
> >>Yes, drive detection may change between alpha and beta. It could change
> >>depending on the phase of the moon. 
> >>
> >>Device names are dynamically assigned and may change without warning or
> >>reason. DO NOT RELY ON THEM STAYING THE SAME BECAUSE THEY WON'T.
> 
> We do kickstart installs where we have something like:
> part / --onpart sda1 --fstype ext3 --size 1 --grow
> in the kickstart file.
> 
> How can we ensure that we are installing to the drive we expect?

There's a syntax for using "biosdisks" for this, which uses unique
labels in the master boot records of the disks to distinguish one disk
from another, and lets you be sure you're installing onto the disk
that the BIOS will boot from.

-- 
Matt Domsch
Linux Technology Strategist, Dell Office of the CTO
linux.dell.com & www.dell.com/linux




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