XCP-ng 8.0.0 Beta now available!
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@stormi still broken .. same error
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@AllooTikeeChaat yum considers that your medata are recent enough. Ask it to clean them:
yum clean all. -
@stormi yum clean all worked. Installed aok and modprobe zfs doesn't complain so that's all good.
A repair of the ZFS SR fails with the same error and "zpool status: no pools available" and "zfs list no datasets available".
I'll open a new post if I can't get it working rather than replying to this one.
Update: fixed the issue ..
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Which was? (the issue)
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@olivierlambert
(1) Missing the ZFS packages from the base install.
(2) Needed a "yum clean all" to be able to install zfs packages.
(3) Needed to manually import the ZFS zpoolI'm a noob with zfs so had to work out how to import an existing zpool and once thats done it can be repaired/mounted.
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Good
So now you are on ZoL 0.8, no need to disable sync anymore -
@olivierlambert
I'm assuming that sync is enabled by default ? -
Yup, but before (0.8) it wasn't good for performances, at all, due to cache poisoning (no
O_DIRECTsupport). -
Any chance to get a newer lsblk that supports json output?
Would be great for plugins and would make parsing output much easier.Currently installed on XCP-ng 8 beta: util-linux-2.23.2-52.el7_5.1.x86_64
(something later than v2.27?)
https://git.devuan.org/CenturionDan/util-linux/commit/4a102a4871fdb415f4de5af9ffb7a2fb8926b5d1... ah forget it, I see, CentOS is using the old versions since long time ...
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@cocoon said in XCP-ng 8.0.0 Beta now available!:
... ah forget it, I see, CentOS is using the old versions since long time ...
Yeah the chances that we'd change the version of such a low level package just for added functionality are very low.
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@stormi yes and I totally understand that ... I just thought at first, it is so old, there must be something new if CentOS 7.5 is new ... but no
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hi
Is this possible to install xcp-ng in xcp-ng just for tests?
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Sure you need to enable Nested Virtualization when you create your VM and that's it.
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Just updated my homelab server from XCP-ng 7.6 to XCP-ng 8.0 Beta, so far so good. I also tested the new experimental UEFI mode with Windows VM, seems good too.
I also tested the new XOA deployment through the Web interface of my host, perfect !
We will see during the following week how it goes
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It does NOT work to migrate a paravirtualized (PV) CentOS6 machine or a PVHVM CentOS7 between two "servers" with Core i3-3110M CPUs in 8.0beta.
C6 throws a "xenopsd, error from emu-manager: Invalid argument" and C7 "xenopsd, error from emu-manager: xenguest Invalid argument".It works on the exact same hardware in 7.6 so that seems to be a new "unsupported old CPU" limitation, unless it's a proper bug in 8.0b.
I can migrate a Fedora28 (HVM) on that hardware in 8.0b so it appears to depend on what virtualization method the machine uses.
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@peder Thanks for testing. It confirms our recent findings related to PV guests indeed! We're working on it and will post here once it's fixed.
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@stormi Nice to hear, thanks!
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@peder Fixed! This fix will be available (as soon as possible) in a future xcp-emu-manager package.
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I have updated https://github.com/xcp-ng/xcp/wiki/Test-XCP with lots of new tests for those who need ideas
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