[CentOS] 75% - 80% Rebuild Complete

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