On 1/24/2014 10:11 AM, Les Mikesell wrote:
> On Fri, Jan 24, 2014 at 11:25 AM, Matt<matt.mailinglists@xxxxxxxxx> wrote:
>>> >>
>> >I am guessing this is saying its present on both? I did nothing to
>> >copy it there so it must have done it during the centos 6.x install
>> >process.
> I think the 6.x installers try to do it for you on both drives - but
> whether it actually works or not may depend on the type of failure and
> what the bios does to the disk mapping as a result. In any case it
> is a good idea to know how to recover from a rescue-mode boot of the
> install ISO.
and, even if you have the boot loader on both drives, there's no
guarantee your BIOS will boot from the 2nd one. Disks can partially
fail in nasty ways that might allow the already-running system to stay
up on the other half of the mirror, but when the drive is 'tested'
during power up boot sequence, it could hang the system.
--
john r pierce 37N 122W
somewhere on the middle of the left coast
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