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Re: grub Q

On Thursday 16 July 2009, stan wrote:
>On Wed, 15 Jul 2009 23:21:46 -0400
>Gene Heskett <gene heskett verizon net> wrote:
>> I have tried to do that and failed, but after I gave up and booted
>> back to F10, I found that diskdrake did not actually use
>> the /dev/sdd3 and up partitions that I told it to, translating
>>  /dev/sdd2 into the extended partition, and then continueing the
>> sequence not at /sss/dev/sdd3, but at /dev/sdd5, so the last one
>> is /dev/sdd10, but its actually the 8th partition.  Confuuzzin ain't
>> it?
>Too confusing for me. :-)
Yeah, I'm gonna sleep on it.

>> Can I let it install to the mbr of /dev/sdd without confusing the one
>> on /dev/sda?  I have added the two newer drives
>> to /dev/sda1/grub/device.map now, and I'm hoping that will be
>> sufficient for grub to find the new boot files (once they are
>> installed that is)
>I've never had a problem just installing to the new boot partition.  I
>haven't used the device.map file at all.

Grub does I think, as a translation table.

>The root (hd?,?) tells grub
>where to find the new boot partition I want.
>You could probably install to the mbr of dev/sdd but that would be
>ignored because it isn't the first drive in the boot sequence.

I'll let it on the re-install I plan to do tomorrow.

>to choose the boot partition.  This is all kind of fuzzy for me,
>because I always just choose to install to the new boot partition, sort
>of on autopilot, because it works, no thinking required.
>> Which I may have to build, all I got from the install was an
>> obviously wrong /boot/grub/menu.lst-example.  And yes the new drive
>> does have a /boot partition (as does the current F10 install) where
>> all the normal files live. But that new /boot/grub, on /dev/sdd1 is,
>> except for the menu.lst-example, is otherwise empty.
>I suspect it must be the option to install the mbr there that populates
>it, because it has always been correct when I install.  I just point to
>it from the master boot partition, and the second menu comes up,
>letting me select the kernel I want to boot.  I change the fstab on the
>new system to let me mount and edit the master boot partition directly.

Thanks. Pills & bedtime.

Cheers, Gene
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