install grub on LVM 2007-09-18 - By Fred Grant
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On Tue, 2007-09-18 at 10:02 -0500, Bob McClure Jr wrote:
> On Tue, Sep 18, 2007 at 06:39:20AM -0500, Fred Grant wrote:
> > I want to install grub on hd1 boot partition which is LVM.
OK it's not LVM, it's ext3. I must have been looking at swap.
>
> hd1? Do you mean hda? Or hda1?
> hda1
> I didn't think you could boot LVM partitions. Let's be clear on this.
> An LVM partition is somewhat like an extended partition in that it
> does not contain any kind of filesystem. It does, however, contain
> one or more logical volumes each of which which may contain a
> filesystem.
>
> Customarily, there is (at least) one plain linux partition with an
> ext[23] filesystem on it, which is designated as the /boot partition.
> You will likely have another partition, type LVM, which contains one
> or more logical volumes containing filesystems for /, /home, etc.
> Still, you would normally install grub on the MBR of that disk, e.g.,
> for /dev/hda
>
> grub-install /dev/hda
I did this and result is indicated below.
>
> Care to share a bit more information about your desired setup?
-- ---- ----
fdisk:
Disk /dev/hda: 30.7 GB, 30750031872 bytes
255 heads, 63 sectors/track, 3738 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 13 104391 83 Linux
/dev/hda2 14 3738 29921062+ 8e Linux LVM
Disk /dev/hdb: 61.4 GB, 61492838400 bytes
255 heads, 63 sectors/track, 7476 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hdb1 * 1 7288 58540828+ 83 Linux
/dev/hdb2 7289 7476 1510110 5 Extended
/dev/hdb5 7289 7476 1510078+ 82 Linux swap /
Solaris
Disk /dev/dm-0: 29.5 GB, 29527900160 bytes
255 heads, 63 sectors/track, 3589 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-1 doesn't contain a valid partition table
-- ---- ---- ------
Per the above, I have F5 installed on hda and Ubuntu live cd on hdb. In
BIOS I select "boot from HDD1" and boot fails. If I select "boot from
HDD2", boot succeeds. Is it possible that BIOS considers hda to be
HDD2? Can it be toggled? I don't play around with BIOS much because it
scares me.
>
> >
--
Fred
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