On 06/07/2012 03:48 PM, Les Mikesell wrote: > On Thu, Jun 7, 2012 at 4:48 PM, Scott Silva <ssilva at sgvwater.com> wrote: >> In older versions sdb would become sda, but I don't have enough time on the 6 >> series to know for sure... Maybe I will fire up a virtual machine with a >> couple emulated sata drives and see.... > Sda/sdb are the kernel's conventions. What matters is what bios sees. > And that may be different depending not only on the hardware but also > the failure mode - sometimes a drive will fail but not really > disappear from detection and it is hard to emulate that. Also, back > in ATA days it was pretty common for a failed drive to lock both > channels on the controller. > > As long as you have physical access to the box you can fix it fairly > quickly by booting a rescue iso and re-installing grub, even if you > have to try a couple of times to get it right. > And if the server is colocated, but you have remote console access, you can leave a recovery CD in the drive, but set the boot order to boot the hard drive and then remotely change the boot order if you have problems. Nataraj