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Am 20.10.2013 15:13, schrieb Mick: |
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> On Sunday 20 Oct 2013 13:57:34 Michael Hampicke wrote: |
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>> Am 20.10.2013 11:54, schrieb Mick: |
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>>> Any ideas why the Ubuntu installation won't boot? |
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>> |
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>> My guess would be, you cannot boot, because if you install grub in |
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>> /dev/md0. |
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>> |
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>> Upon boot the bios cannot find stage1 of the bootloader, which normally |
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>> lies in the MBR (which also houses the partition table). |
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> |
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> I see ... so installing the MBR code in the /dev/md0 block device is further |
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> down the disk than where BIOS is looking for it and that's why it errors out? |
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> |
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That would be my guess. Maybe someone more knowledgeable on how mdadm |
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writes stuff on the disk can jump in and provide additional info. But |
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I'm pretty sure, if you install grub in md0, it's not in that place on |
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the disk where the bios is actually looking for. |
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> |
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> It seems to me then that I *have* to create normal partitions on /dev/sda & |
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> /dev/sdb, or I would need a different boot drive. Is there another way to |
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> overcome this problem. |
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Maybe create two mds. md1 (sda1, sdb1) is a small boot partition which |
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contains stage2+, the kernel and the initramfs. And md2 (sda2, sdb2) |
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which acts as another block device with partition table, etc... |
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In this setup you could install grub in the mbr of sda and sdb |
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(grub-install /dev/sda...) |
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A quick google on this subject returned no usable results. But I am off |
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now until tomorrow. |
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