Re: Squeeze boots into my LVM over RAID, but wheezy won't.
On Mon, Oct 1, 2012 at 8:56 AM, Hendrik Boom <hendrik@topoi.pooq.com> wrote:
> On Sat, 01 Sep 2012 22:44:16 -0500, Mark Allums wrote:
>>
>> Put /boot on the RAID.
>>
>> MBR loads GRUB, and GRUB does the rest of the heavy lifting.
>>
>> Upgrading to Wheezy will go a long way toward making this easier. It's
>> in feature freeze, and what's holding up release is finishing the
>> installer and assorted housekeeping. Only bugfixes are being done to
>> the packages themselves.
>
> Actually ....
>
> I got it to boot squeeze fine with /boot and / on LVM on RAID.
>
> But when I ungraded to wheezy, just booting has turned into a nightmare.
> I can boot wheezy with the squeeze kernel just fine, (except that the
> rest of wheeze had trouble working with that kernel), but booting wheezy's
> 3.x kernel doesn't work. I'm told the embedding region isn't big enough,
> even when I use wheezy's grub (lilo has different terminology, but the
> effect is the same). And it seems to be because it's a cross-disk
> scenario (which I take to say the boot disk is not the place the OS is
> stored) that it needs more space. And it considers the RAID to be a
> separate disk from the physical disks that it resides on, so even the
> dame physical drive is a cross-disk scenario.
>
> I'll be starting another thread about this.
>
> It's been a long while since we needed a separate /boot partition in a
> special area on disk because of BIOS limitations. Now something similar
> is coming back, but for different reasons.
>
> It looks as if I've got to find nonRAID space for /boot.
How big's your post-MBR gap?
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