f of Laurentiu Soica
> >>
> >>
> >> SENT: Wednesday, August 17, 2016 6:38 AM
> >>
> >> TO: Discussion about the virtualization on CentOS
> >> SUBJECT: Re: [CentOS-virt] Nested KVM issue
> >>
> >> Both baremetal and com
FROM: centos-virt-boun...@centos.org
on behalf of Laurentiu Soica
SENT: Wednesday, August 17, 2016 6:38 AM
TO: Discussion about the virtualization on CentOS
SUBJECT: Re: [CentOS-virt] Nested KVM issue
Both baremetal and compute ? Are there any other metrics do you
ron on 1-2 hr
>>
>> period.
>>
>>
>> --
>> *From:* centos-virt-boun...@centos.org
>> on behalf of Laurentiu Soica
>> *Sent:* Wednesday, August 17, 2016 6:38 AM
>>
>> *To:* Discussion about the virtualization on Cen
t;
>
> --
> *From:* centos-virt-boun...@centos.org
> on behalf of Laurentiu Soica
> *Sent:* Wednesday, August 17, 2016 6:38 AM
>
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
> Both
on 1-2 hr
period.
From: centos-virt-boun...@centos.org on behalf
of Laurentiu Soica
Sent: Wednesday, August 17, 2016 6:38 AM
To: Discussion about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
Both baremetal and compute ? Are there any oth
no ?
>
>
> --
> *From:* centos-virt-boun...@centos.org
> on behalf of Laurentiu Soica
> *Sent:* Wednesday, August 17, 2016 4:56 AM
>
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
> Enabled the logging on both compute and bar
, 2016 7:16 AM
To: Discussion about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
Yes. It is on both baremetal and compute node.
În mar., 16 aug. 2016 la 13:37, Boris Derzhavets
mailto:bderzhav...@hotmail.com>> a scris:
Is KSM enabled on your Compute
one verify logs
>
>
> --
> *From:* centos-virt-boun...@centos.org
> on behalf of Laurentiu Soica
> *Sent:* Tuesday, August 16, 2016 7:16 AM
>
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
> Yes. It is o
os.org<mailto:centos-virt-boun...@centos.org>
mailto:centos-virt-boun...@centos.org>> on
behalf of Laurentiu Soica mailto:lauren...@soica.ro>>
Sent: Tuesday, August 16, 2016 5:25 AM
To: Discussion about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
Runn
n behalf of Laurentiu Soica
> *Sent:* Tuesday, August 16, 2016 5:25 AM
>
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
> Running the compute node for several days simply triggers it.
>
> În mar., 16 aug. 2016 la 12:1
os.org<mailto:centos-virt-boun...@centos.org>
mailto:centos-virt-boun...@centos.org>> on
behalf of Laurentiu Soica mailto:lauren...@soica.ro>>
Sent: Tuesday, August 16, 2016 3:28 AM
To: Discussion about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
Hello,
The is
lf of Laurentiu Soica
> *Sent:* Tuesday, August 16, 2016 3:28 AM
>
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
> Hello,
>
> The issue reproduced again and it doesn't look like a swap problem. Some
> details:
>
>
Sorry,
How you trigger the problem ?
B.
From: centos-virt-boun...@centos.org on behalf
of Laurentiu Soica
Sent: Tuesday, August 16, 2016 3:28 AM
To: Discussion about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
Hello,
The issue
la 21:44, Boris Derzhavets
a scris:
>
>
>
> --
> *From:* centos-virt-boun...@centos.org
> on behalf of Laurentiu Soica
> *Sent:* Sunday, August 14, 2016 10:17 AM
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS
: [CentOS-virt] Nested KVM issue
The CPUs are IvyBridge microarchitecture, Xeon E5-2670 v2.
I could try lowering the vCPUs but I doubt it would help. Please note that the
same VMs are running just fine (with a load of 2 out of an acceptable 36 on the
compute node) for about 3 days after a restart
ica
> *Sent:* Monday, August 15, 2016 1:15 AM
>
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
> Hello Borins,
>
> 1. So, in about three days after a reboot (this happened several times
> already) the compute node reports high
tos.org>> on
behalf of Laurentiu Soica mailto:lauren...@soica.ro>>
Sent: Sunday, August 14, 2016 3:06 PM
To: Discussion about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
Hello,
1.
baremetalbrbm_1
534e9b54-5e4c-4acb-adcf-793f841551a7
10485
t 14, 2016 3:06 PM
>
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
> Hello,
>
> 1.
> baremetalbrbm_1
> 534e9b54-5e4c-4acb-adcf-793f841551a7
> 104857600
> 104857600
> 36
>
> /machine
&g
on about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
Hello,
1.
baremetalbrbm_1
534e9b54-5e4c-4acb-adcf-793f841551a7
104857600
104857600
36
/machine
hvm
destroy
restart
restart
/usr/libexec/
on behalf of Laurentiu Soica
> *Sent:* Sunday, August 14, 2016 10:17 AM
> *To:* Discussion about the virtualization on CentOS
> *Subject:* Re: [CentOS-virt] Nested KVM issue
>
> More details on the subject:
>
> I suppose it is a nested KVM issue because it raised after I enabled the
From: centos-virt-boun...@centos.org on behalf
of Laurentiu Soica
Sent: Sunday, August 14, 2016 10:17 AM
To: Discussion about the virtualization on CentOS
Subject: Re: [CentOS-virt] Nested KVM issue
More details on the subject:
I suppose it is a nested KVM
More details on the subject:
I suppose it is a nested KVM issue because it raised after I enabled the
nested KVM feature. Without it, anyway, the second level VMs are unusable
in terms of performance.
I am using CentOS 7 with:
kernel: 3.10.0-327.22.2.el7.x86_64
qemu-kvm:1.5.3-105.el7_2.4
libvirt
Hello,
I have an OpenStack setup in virtual environment on CentOS 7.
The baremetal has *nested KVM* enabled and 1 compute node as a VM.
Inside the compute node I have multiple VMs running.
After about every 3 days the VMs get inaccessible and the compute node
reports high CPU usage. The qemu-kv
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