virt April 2020

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4 participants
2 discussions

VM migration problems
by isdtor 25 Apr '20

25 Apr '20

I have migrated KVM VMs from a CentOS 6 to a CentOS 7 host. All work fine post-migration, CentOS 3 (don't ask ...), CentOS 6, CentOS 7, Windows. But the CentOS 5 VMs failed. At some point during the boot process, they became unpingable and also inaccessible. I have correlated this to the start of the irqbalance service and was wondering if it is generally considered best practice to turn it off. The VMs in question all have at least 2 vcpus, and the C5 VMs are the odd ones out.

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ANNOUNCE: centos-release-xen to switch to newer xen
by Anthony PERARD 14 Apr '20

14 Apr '20

Greeting, We are about to update the centos-release-xen package to point to a newer version of Xen. That is 4.12 on CentOS 7 but only 4.10 on CentOS 6. As a reminder, you can "pin" your installation to Xen 4.8 by installing centos-release-xen-48 and then removing centos-release-xen. Other available Xen version are: centos-release-xen-48 centos-release-xen-410 centos-release-xen-412 (CentOS 7 only) On CentOS 6, ocaml is too old to build some component of Xen 4.12. There may be other issues. (I'll wait at least two weeks before pushing from testing to the release repo.) Cheers, -- Anthony PERARD

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virt April 2020