Mailinglist Archive: opensuse (3513 mails)

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Re: [opensuse] New partition killed MBR?
  • From: "Greg Freemyer" <greg.freemyer@xxxxxxxxx>
  • Date: Tue, 6 Jan 2009 12:44:54 -0500
  • Message-id: <87f94c370901060944t51ee5f46o3dd08dfe8b4cfefd@xxxxxxxxxxxxxx>
On Tue, Jan 6, 2009 at 11:33 AM, L. V. Lammert <lvl@xxxxxxxxxxx> wrote:
I built an 11.1 system a few weeks ago, .. originally installing 11.1 into
physical partition 1, using it as an extended partition of 50GB [the system
will eventually be multi-boot].

Yesterday I created physical partition 2 & 3 [both ext3], but that has
killed the boot record! The partition table shows [with a System Rescue CD]
all three partitions correctly, .. and /dev/sda1 is still flagged bootable.

Does 11.1 have a problem with a disk configuration like this? Why would
creating a new partition kill the MBR? I tried booting 'Repair Installation'
on the 11.1 CD, and gave up loading an Install Kernel with six parts - I
stopped it after 10 minutes only got to part 2.

Any suggestions would be appreciated, ..


Somehow your description seems wrong. Very wrong, but maybe it is a
terminology question.

partitions sda1-sda4 can be primary or extended.

If they are extended, then you create sub-volumes within the extended
partition. (sda5+).

So if /dev/sda1 is an extended partition, it should have as a minimum
/dev/sda5 created within it.

And I don't think /dev/sda1 should be marked bootable. (Not sure
about that). Nor should if have a filesystem etc. Once you create it
as extended, it just becomes a container for the actual sub-volumes.

I like to create a very small primary partition for /boot. That is
where the grub stuff lives. Then have it reference the other bootable
partitions (primary or extended sub-volumes).

Greg Freemyer
Litigation Triage Solutions Specialist
First 99 Days Litigation White Paper -

The Norcross Group
The Intersection of Evidence & Technology
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