that vCPU(VM1) + vCPU(VM2) total number of physical
cores (12) (both VMs have 12 vCPUs) (ie. 16+16)
According to your experience which would be the best one?
Thank you very much.
Kind Regards.
B. Riccardo
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Hi Paolo, thanks for the prompt reply.
On 2014-07-18 17:30, Paolo Bonzini wrote:
Il 18/07/2014 15:06, Riccardo Brunetti ha scritto:
1) Assign vCPUs so that vCPU(VM1) + vCPU(VM2) = total number of
physical
cores (12) (both VMs have 12 vCPUs) (ie. 8+4)
2) Assign vCPUs so that vCPU(VM1
ifdown and ifup of the bridge is sufficient to enable the new delay config ?
thank you
Rick
On 3/30/12 11:58 PM, Andrew Cathrow wrote:
- Original Message -
From: Riccardo Veraldiriccardo.vera...@cnaf.infn.it
To: kvm@vger.kernel.org
Sent: Friday, March 30, 2012 5:45:47 PM
Subject
Thank you very much, this solved my problem, not even 1 ping is lost!
I did not find this hint in the documentation though.
Really thanks again
Riccardo
On 3/30/12 11:58 PM, Andrew Cathrow wrote:
- Original Message -
From: Riccardo Veraldiriccardo.vera...@cnaf.infn.it
To: kvm
Hello,
I have problems with live migration.
I have several VMs in a CentOS 6.2 cluster environment.
When I migrate one virtual machine from nodeA to nodeB the migration
goes smoothly but
in the same time the VM is migrated an external ping cannot reach the VM.
I ping the VM before migration
-- Original Message ---
From: Avi Kivity a...@redhat.com
To: Riccardo andrighetto.ricca...@gmail.com
Cc: kvm@vger.kernel.org
Sent: Sun, 23 May 2010 14:38:42 +0300
Subject: Re: Gentoo guest with smp: emerge freeze while recompile world
On 05/21/2010 07:47 PM, Riccardo
-- Original Message ---
From: Avi Kivity a...@redhat.com
To: Riccardo andrighetto.ricca...@gmail.com
Cc: kvm@vger.kernel.org
Sent: Sun, 23 May 2010 16:30:06 +0300
Subject: Re: Gentoo guest with smp: emerge freeze while recompile world
On 05/23/2010 03:12 PM, Riccardo
with kernel
=2.6.32
Best regards,
Riccardo
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succefully.
The problem show always with all kernels =2.6.32
I have setup something wrong in kernel? I post the .config in the previous
email.
Best regards,
Riccardo
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More
-- Original Message ---
From: Avi Kivity a...@redhat.com
To: Riccardo andrighetto.ricca...@gmail.com
Cc: kvm@vger.kernel.org
Sent: Fri, 21 May 2010 18:21:20 +0300
Subject: Re: Gentoo guest with smp: emerge freeze while recompile world
On 05/21/2010 04:16 PM, Riccardo
-- Original Message ---
From: Brian Jackson i...@theiggy.com
To: Riccardo andrighetto.ricca...@gmail.com
Cc: kvm@vger.kernel.org
Sent: Fri, 21 May 2010 11:35:36 -0500
Subject: Re: Gentoo guest with smp: emerge freeze while recompile world
On Friday, May 21, 2010 10:46
problems.
There is a limit max cpus for -smp ? for the total of the VMs running in the
server?
Any suggestions?
It's possible to enable a log for what service?
Best regards,
Riccardo
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Hello,
if I install virtio-win drivers on windows 2008 Server R2, I have the
problem of signed device drivers.
I Can install the drivers but Windows 2008 server refuses to use them
unless I start
the machine pressing F8 every time at each reboot bypassing the checking
of signed certified
I have similar results, like yours, using CentOS 5.4 x86_64
I do not think it is possible to gain more than this right now... or
better I wish it could be possible
If you can get better result please let me know
Rick
Benjamin Schweikert wrote:
Hello everybody,
this is my first post on a
hello,
how is possible ins ome way to have access to serial console using libvirt ?
until now I used quemu-kvm started inside a screen process.
but now I am managing my kvm machines with libvirt and in this way I
have no access to a serial console.
IS there some way to do it ?
thanks
Rick
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-ip6tables = 0
With this lines it isn't necessary the iptables rules.
Best regards,
Riccardo
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Hello,
I did some tsts with KVM virtual machines.
I gan good results on gigabit interface with inbound traffic, I get almost
gigabit saturation (1Gb/s). I have lower perforance outbound
that is around 500Mbit/s.
Is it normal in your opinion ?
I mean is there some hard coded limit for network I/O
Hello,
I have always created my guests by hand with qemu-kvm syntax.
Is there a way to control and manage KVM guests with libvirt without being
forced to create the guest with virtmanager or with virtsh ?
what if I post a guest from XEN to KVM, how to manage it with libvirt ?
thanks
Rick
--
Hello,
I am little bit disappointed about virtio perormance.
speaking about virtio disk performance I get about the same performances
of non-virtio quests.
I am using centos 5.3 2.6.18-128.1.6.el5 as host and the same centos
5.3 2.6.18-128.1.6.el5 as kvm
guests with virtio backported to
Hello,
I have a problem.
my host with KVM has correct date set.
All the quests has a date 2 hours disaligned, and everytime they boot I must
ntpdate hte KVM guests.
How to solve this problem ?
guest at boot time
22 Apr 09:08:02 ntpdate[1901]: step time server x.y.z.t offset
7297.100104 sec
Hello,
I have always created my VM under kvm manually starting them from a .sh
script:
for example machine called abbone
# abbone.sh
screen qemu-kvm -nographic -hda ./abbone.img -m 512 -net
nic,model=e1000,macaddr=00:16:3e:05:00:07 -net tap -name abbone -vnc :0
I use screen so that I am
Hello,
I am using kvm83 on Centos 5.2
I did some iperf test on my kvm guest and I got the following results
over a 1GB connection:
~650Mbit/s inbound
~250Mbit/s outbound
that is performance appears to be asymmetric.
Is this normal ?
The inbound data flow is quite impressive as performance
hello,
I configured my guests runing on KVM83 CentOS 5.2 to run in serial
console mode.
it works and I use screen to manage multiple consoles.
The problem is that when I start a guest on the serial console I got
this message repeating few times before
the guest effectively start booting.
Hello Iam using kvm83 on CentOS5.2
my system has 2x dual Core intel CPU
Intel(R) Xeon(R) CPU5110 @ 1.60GHz
asdetected by Centos.
If I start kvm-qemu with no CPU option everythign works and hte guest
machine detects cpu as
QEMU Virtual CPU version 0.9.1
iv I run qemu-kvm -cpu
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