[CentOS] CentOS 6.2 on partitionable mdadm RAID1 (md_d0) - kernel panic with either disk not present

Rob Kampen wrote:
> On 06/20/2012 07:23 AM, Arun Khan wrote:
>> On Wed, Jun 20, 2012 at 12:11 AM,<m.roth at 5-cent.us>  wrote:
>>> Arun Khan wrote:
>>>>     Device Boot      Start         End      Blocks   Id  System
>>>> /dev/sda1   *           1         523     4194304   83  Linux
>>>> Partition 1 does not end on cylinder boundary.
>>>> /dev/sda2             523        1045     4194304   83  Linux
>>>> /dev/sda3            1045        1176     1048576   82  Linux swap /
>>>> Solaris
> raid needs Id of fd rather than 83 to auto detect??

Good catch. A quick google got me a page on filesystem types, which had
this line:
fd Linux raid partition with autodetect using persistent superblock

 <snip>

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