Re: CentOS 6.2 on partition able RAID1 (md_d0) - kernel panic with either disk not present

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On Sun, Oct 7, 2012 at 2:36 PM, John Robinson
<john.robinson@xxxxxxxxxxxxxxxx> wrote:
> On 07/10/2012 07:24, Arun Khan wrote:
>>
>> Hi John,
>>
>> I posted the requested info to the list.
>>
>> I was wondering if you had a chance to go through it.
>>
>> Either way do let me know.  I am anxious to get this solved if possible.
>
>
> Sorry, I was distracted by $realjob...

No issues.   We all have to worry about putting bread on the dinner table :)

> The only thing that occurs to me is:
>
>
>>> # cat /boot/grub/grub.conf
>>> # grub.conf generated by anaconda
>>> #
>>> # Note that you do not have to rerun grub after making changes to this
>>> file
>>> # NOTICE:  You do not have a /boot partition.  This means that
>>> #          all kernel and initrd paths are relative to /, eg.
>>> #          root (hd0,0)
>>> #          kernel /boot/vmlinuz-version ro root=/dev/sda1
>>> #          initrd /boot/initrd-[generic-]version.img
>>> #boot=/dev/sda
>
>
> this. Uncomment it, and change to boot=/dev/md_d0p1, and re-run
> `grub-install`.
>

OK.   Will do so and let you know.

> Also, just to be sure, if you haven't installed a new kernel since migrating
> to RAID, update your initrd - something like `mkinitrd -f
> /boot/initramfs-2.6.32-220.el6.x86_64.img 2.6.32-220.el6`.
>

No I have not updated any package, let alone the kernel.

Thanks,
-- Arun Khan
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