On 2010-09-02T14:27:29-0500, Jorge Armando Medina <[email protected]> wrote: > On 09/01/2010 08:30 AM, Ahmed Kamal wrote: > > On 09/01/2010 02:12 PM, Jorge Andres Brugger wrote: > >> I want to change SATA mode on a server already installed. Should I take > >> care of something before make the change at the BIOS setup? > >> > >> Thanks. > > > > The only thing I'd check is that /etc/fstab mounts using UUIDs and not > > /dev/sd? names. Other than that, just try it, if it doesn't boot, revert > > the BIOS setting and mention there's a problem > > > > And of course the root parameter to the kernel image in grub. > > What I dont know is that the UUID will change when you change the sata > mode, you can check it out with blkid(8). > > Another way is using the by-id or by-path format, check /dev/disk/by-*
The UUID is part of the file system, so won't change with the disk interface change. Use dumpe2fs or tune2fs -l to see the UUID on ext[234]fs, or xfs_admin -u on xfs. -- Kenyon Ralph
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