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pilla
Bodhisattva
Joined: 07 Aug 2002
Posts: 7729
Location: Underworld
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 Posted: Sat Feb 07, 2004 1:18 pm Post subject: [solved] EVMS does not work with 2.6.xx |
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I have tried 4 or 5 times, but I wasn't able to get EVMS to work in LVM compatibity mode when using the 2.6 series.
It works with my 2.4.22 patched kernel, and I followed the directions at http://evms.sourceforge.net/install/kernel.html but when I boot, I get no /dev/evms/lvm directory.
I have tried 2.6.0, some mm-sources (including 2.6.2rc) and also 2.6.2 and 2.6.2-gentoo.
Does anyone has any tip?
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"I'm just very selective about the reality I choose to accept." -- Calvin
Last edited by pilla on Sun Feb 08, 2004 5:38 pm; edited 1 time in total |
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pilla
Bodhisattva
Joined: 07 Aug 2002
Posts: 7729
Location: Underworld
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| Posted: Sun Feb 08, 2004 5:37 pm Post subject: |
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Solved, forgot to apply the bd_claim.patch
http://evms.sourceforge.net/install/kernel.html
| EVMS Install Guide wrote: |
BD-Claim Patch
The 2.6 kernels now prevent multiple "owners" of a block-device. This means that the stock kernel will not allow you to mount a filesystem on a kernel-provided disk-partition as well as use EVMS to activate volumes on that disk.
There are three possible solutions to this problem.
* Switch to using EVMS for ALL your volumes and partitions, and simply don't use the disk-partitions provided by the kernel. This is, of course, the preferred solution, but also requires some extra work on your part to convert to mounting your root filesystem using an EVMS volume.
* Tell EVMS to exclude any disks that contain partitions that you are going to mount through the kernel-provided-partitions. You can do this by adding an entry to the "exclude" line in your /etc/evms.conf file.
* Apply this patch, which will revert the change that disallows EVMS to use the disk at the same time the kernel-partitions are.
patch -p1 < /usr/src/evms-2.2.2/kernel/2.6/bd-claim.patch
This problem does not exist on 2.4 kernels.
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asimon
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Joined: 27 Jun 2002
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Location: Germany, Old Europe
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| Posted: Sun Feb 08, 2004 5:42 pm Post subject: |
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| Do you know if the lvm2 user tools still work fine with an EVMS patched 2.6 kernel? |
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pilla
Bodhisattva
Joined: 07 Aug 2002
Posts: 7729
Location: Underworld
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| Posted: Sun Feb 08, 2004 6:05 pm Post subject: |
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| asimon wrote: | | Do you know if the lvm2 user tools still work fine with an EVMS patched 2.6 kernel? |
I don't know, but the only patch that I have applied was that bd_claim.patch. All the rest of it was just the regular gentoo-dev-sources.
It should work. at least that patch does not claim to break LVM2 (as a mater of fact, it is a patch to recover from another patch that breaks things for EVMS, but it is not stated there that it's necessary for LVM2).
Give it a try, in the worst case you can go back to a previous, working kernel image.
[edit] cool, this was my 4000th post.
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