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On Sat, Jul 11, 2009 at 11:26 PM, Neil Bothwick<neil@××××××××××.uk> wrote: |
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> On Sat, 11 Jul 2009 10:16:26 +1000, lngndvs@×××××.com wrote: |
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> |
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>> In grub, it is located first as hd1 (/dev/sdb) and then as |
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>> /dev/sda5. That is where I want it to be. |
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> |
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> Those are two different things. the first is GRUB's root directory, the |
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> place where is will find its configuration and stage files (i.e. the |
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> location of /boot). The root argument on the kernel line is tell the |
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> kernel the location of your root filesystem - /. |
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> |
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I need to have the second drive (SATA #2) as the first boot drive |
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because that's the drive with the grub setup in the MBR, for Gentoo. |
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/boot is found on SATA #1, actually /dev/sda1 after all is said and |
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done. But until the system boots, it is called (hd1) (same as |
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/dev/sda2). |
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As the kernel boots from /boot, it finds / and mounts it. It is |
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actually on /dev/sda1, and it is now identified as /dev/sda1. So this |
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is what must be in the kernel line. |
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I had /dev/sdb5 as / in /dev/fstab, but that was wrong, because by |
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that time, it is /dev/sda5. |
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I also had /dev/sdb5 as another partition, mounted as an archive, in |
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my /dev/fstab. I thought this was causing a problem. Not sure even |
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now. |
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So I changed the fstab to reflect /dev/sdb5 as / . |
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This problem has been a central issue over two to three weeks. Now |
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the system is working. I'd like to rectify the boot priority so this |
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drive is booted first, but that requires grub to install the MBR on |
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that drive. Not sure why I had so much trouble with that. It's a |
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500GB drive. Is that an issue? |
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It's all too complicated. Once it is clear enough in my own head, I |
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will try to install grub on that drive and set it as the first |
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priority at boot, in the BIOS. |
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In 15 years of installing all manner of GNU/Linux, it has only been |
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the past year or two I've encounted any of this. It started with |
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having PATA drives suddently named /dev/sda1, while the former |
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/dev/sda1 became /dev/sda2. It was first on Ubuntu. Now I'm not sure |
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anymore. |
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Thanks. I think that aspect of the problem has been sorted out, or at |
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least recognized. It's dizzying. |
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Alan |
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