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Hi Alex, |
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|
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Alex Schuster wrote: |
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|
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> Dale writes: |
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> |
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>> Alan McKinnon wrote: |
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>>> Apparently, though unproven, at 15:18 on Tuesday 04 January 2011, |
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>>> Stroller did opine thusly: |
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>>> |
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>>>> I found numerous references to this syntax going back to 2005 or |
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>>>> so, and some major distros seem to use it as the default way of |
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>>>> describing "root=" to the kernel. |
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>>>> |
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>>>> http://www.linuxforums.org/forum/redhat-fedora-linux-help/23010-root- |
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label- |
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>>>> grub-conf.html |
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>>>> http://linux.derkeiler.com/Mailing-Lists/RedHat/2005-01/0026.html |
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>>>> |
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>>>> However: |
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>>>> http://old.nabble.com/Re%3A-Using--%22root%3DLABEL%3Dxxxx%22-in- |
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grub.conf-p |
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>>>> 21909347.html http://tinyurl.com/2u4srg4 |
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>>>> |
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>>>> Stroller. |
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>>> |
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>>> All the major distros I've seen it on also use initrds though (rare in |
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>>> gentoo- land). I have no idea how it all works, I just know how to type |
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>>> it on a RHEL box. |
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> |
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> I am using an initrd, I need it since my root partition is encrypted. |
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> It's generated and copied to /boot with 'genkernel --install --luks |
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> --lvm all', but you have to have CLEAN="no" in /etc/genkernel.conf or |
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> genkernel will create its own .config. |
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> |
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>>> Elsewhere in the thread someone mentioned that this syntax relies on an |
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>>> initrd, and I suspect he may be correct. |
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> |
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> And Stroller's 3rd link also does this. |
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> |
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>> I tried using labels with the old grub a while back and it didn't work. |
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>> Labels in fstab works fine tho. We may have to wait on the new grub to |
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>> get finished |
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> |
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> I would be surprised if it had this feature. AFAIK grub is already done |
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> at this stage, the kernel has taken over. And I guess it does not know |
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> about the LABEL= syntax, and has no code to scan all devices for file |
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> system labels. |
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I fear so, too. Grub finds the boot device properly, it's the kernel |
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complaining about the value in the root option. |
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> With an initramfs, the kernel runs an init script which can do various |
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> stuff, like probing all devices for file system labels. |
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|
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I never had the need for an initrd. |
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|
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- Jörg |
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