From 2df51ba7d5a56b408dc961860cd3a3ff5e266a96 Mon Sep 17 00:00:00 2001 From: Abhishek Kumar Date: Thu, 18 Aug 2022 18:04:30 +0530 Subject: [PATCH 1/4] vm: note on kvm dynamic scaling Related https://github.com/apache/cloudstack/issues/6626 Signed-off-by: Abhishek Kumar --- source/adminguide/virtual_machines.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/source/adminguide/virtual_machines.rst b/source/adminguide/virtual_machines.rst index b68f1aaaba..8041de6001 100644 --- a/source/adminguide/virtual_machines.rst +++ b/source/adminguide/virtual_machines.rst @@ -493,6 +493,9 @@ Limitations issue with these operating systems, which will freeze if an attempt is made to dynamically scale from less than 3 GB to more than 3 GB. +- On KVM, not all versions of Qemu/KVM may support dynamic scaling and may result CPU or memory related failure during instance deployment. + + Resetting the Virtual Machine Root Volume on Reboot --------------------------------------------------- From 57f4547cef2fa388568081d44b624210c4df3808 Mon Sep 17 00:00:00 2001 From: Abhishek Kumar Date: Mon, 22 Aug 2022 13:29:08 +0530 Subject: [PATCH 2/4] Update source/adminguide/virtual_machines.rst Co-authored-by: dahn --- source/adminguide/virtual_machines.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/source/adminguide/virtual_machines.rst b/source/adminguide/virtual_machines.rst index 8041de6001..08c7ad1581 100644 --- a/source/adminguide/virtual_machines.rst +++ b/source/adminguide/virtual_machines.rst @@ -493,7 +493,7 @@ Limitations issue with these operating systems, which will freeze if an attempt is made to dynamically scale from less than 3 GB to more than 3 GB. -- On KVM, not all versions of Qemu/KVM may support dynamic scaling and may result CPU or memory related failure during instance deployment. +- On KVM, not all versions of Qemu/KVM may support dynamic scaling. Some combinations may result CPU or memory related failures during instance deployment. From d5fc9242bf27132990dc6553c8ba2d3b829198fb Mon Sep 17 00:00:00 2001 From: Abhishek Kumar Date: Mon, 22 Aug 2022 13:32:22 +0530 Subject: [PATCH 3/4] Update virtual_machines.rst --- source/adminguide/virtual_machines.rst | 1 - 1 file changed, 1 deletion(-) diff --git a/source/adminguide/virtual_machines.rst b/source/adminguide/virtual_machines.rst index 08c7ad1581..a05ad8d6ba 100644 --- a/source/adminguide/virtual_machines.rst +++ b/source/adminguide/virtual_machines.rst @@ -496,7 +496,6 @@ Limitations - On KVM, not all versions of Qemu/KVM may support dynamic scaling. Some combinations may result CPU or memory related failures during instance deployment. - Resetting the Virtual Machine Root Volume on Reboot --------------------------------------------------- From 77e7548fe115ac3186ee07fd1ff80d0390754908 Mon Sep 17 00:00:00 2001 From: Abhishek Kumar Date: Wed, 24 Aug 2022 14:36:33 +0530 Subject: [PATCH 4/4] note in kvm host Signed-off-by: Abhishek Kumar --- source/installguide/hypervisor/kvm.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/source/installguide/hypervisor/kvm.rst b/source/installguide/hypervisor/kvm.rst index af6fc61dc8..f339d3a0f2 100644 --- a/source/installguide/hypervisor/kvm.rst +++ b/source/installguide/hypervisor/kvm.rst @@ -48,6 +48,8 @@ with OpenVswitch, the requirements are listed below - openvswitch: 1.7.1 or higher +Not all versions of Qemu/KVM may support dynamic scaling of instances. Some combinations may result CPU or memory related failures during instance deployment. + In addition, the following hardware requirements apply: - Within a single cluster, the hosts must be of the same distribution