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On Wed, 25 Nov 2020 08:53:02 +0000, Wols Lists wrote: |
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> >>> I suspect not as GRUB will be reading the menu files and GRUB |
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> >>> doesn't read from LVM volumes. |
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> >> |
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> >> Then what does grub's "lvm" module do, and how does it read the |
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> >> distro's .cfg files from the LVM volumes in which the various distros |
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> >> are installed? |
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> > |
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> > Maybe what you want. I haven't used LVM or GRUB much n the past |
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> > several years, so maybe it is OK now, although a quick web search |
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> > before I posted implied it wasn't. RTFM time? |
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> > |
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> > |
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> I *think* the grub volume itself has to be plain, no lvm, mdadm etc. All |
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> the stuff for that is in the initramfs, so grub loads the initramfs, |
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> starts the kernel, the kernel starts pid 1 which can now start mdadm, |
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> lvm etc, and then it can pivot root onto the proper root filesystem. |
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That was my thinking, that the kernel/initramfs was reading the LVs but |
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Grant mentioned the lvm module for GRUB so I broke the habit of a |
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lifetime and read the man page :-O |
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"GRUB 2 can read files directly from LVM and RAID devices." |
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-- |
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Neil Bothwick |
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Top Oxymorons Number 6: Pretty ugly |