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On Sunday, May 04, 2014 09:53:35 AM Peter Humphrey wrote: |
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> On Saturday 03 May 2014 23:04:49 Stefan G. Weichinger wrote: |
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> > I spent nearly the whole day digging around this issue ... |
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> |
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> You did better than I did recently: I spent four days at it. |
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For mission-critical systems, I would have done a clean re-install already |
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with data copied back from a backup. More then 24 hours is a deadline. |
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For non-critical, I am willing to invest more time. |
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> > I wonder if I speak for more users when I say that all this is kind of |
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> > confusing sometimes ... |
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> |
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> I'm with you there, Stefan. I find the whole RAID and LVM area deeply |
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> mysterious, and the docs I've seen only say what to do, not why. I'd still |
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> like to find a proper explanation of how it all works. |
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I used to have a howto bookmarked that gave more detail then the current step- |
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by-step examples. Unfortunately, that whole website disappeared about 5 or 6 |
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years ago. |
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Maybe check the old thread where Dale started with LVM. There is a lot of |
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detail in there. |
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> > I am not so far to skip the initramfs -> I don't *know* that, I just |
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> > tested removing the line from grub2 and it failed finding the root-fs. |
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> |
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> I've never had an initramfs, seeing no need in my case to keep /usr on its |
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> own partition. |
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Same here, until that whole mess started and I ended up using an initramfs. |
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At the same time, I moved everything except /boot onto RAID-0 for the |
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desktops. |
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> > For booting from a plain partition on an SSD I think I shouldn't need an |
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> > initramfs? Does it have to do with MBR/GPT as well (the SSD is |
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> > still/again MBR, as UEFI booting broke badly for me back then) ? |
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> |
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> As far as I know, the only thing that /requires/ an initramfs is having a |
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> separate /usr. And I can't help you with GPT or UEFI - sorry. |
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A seperate " /usr " or " / " on LVM. |
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> > Maybe I learn more soon ;-) |
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> |
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> I sometimes say that life is just one long journey of discovery :-) |
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It is. And that's what makes life interesting. |
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-- |
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Joost |