[Users] ovirt 3.3.1 all VMs boot on the same host?
Gianluca Cecchi
gianluca.cecchi at gmail.com
Mon Nov 25 17:32:13 EST 2013
On Mon, Nov 25, 2013 at 4:50 PM, Doron Fediuck wrote:
>
> Hi Gianluca,
> KSM comes with qemu-kvm, so no point of looking for it as an rpm:
> # rpm -ql qemu-kvm | grep ksm
> /etc/ksmtuned.conf
> /etc/rc.d/init.d/ksm
> /etc/rc.d/init.d/ksmtuned
> /etc/sysconfig/ksm
> /usr/sbin/ksmtuned
>
> As for the actual issue, which cluster policy are you using now?
> See the attached to illustrate what I'm referring to.
Are you talking about RHEL 6.x?
Because on my Fedora 19 hosts (despite their names containing f18...)
I see this:
[root at f18ovn03 ~]# ls -l /etc/sysconfig/ksm
ls: cannot access /etc/sysconfig/ksm: No such file or directory
[root at f18ovn03 ~]# rpm -ql qemu-kvm
(contains no files)
[root at f18ovn03 ~]# yumdownloader ksm
[root at f18ovn03 ~]# rpm -qpl ksm-1.4.2-13.fc19.x86_64.rpm
/etc/ksmtuned.conf
/etc/sysconfig/ksm
/lib/systemd/ksmctl
/lib/systemd/system/ksm.service
/lib/systemd/system/ksmtuned.service
/usr/sbin/ksmtuned
[root at f18ovn03 ~]# rpm -qpi ksm-1.4.2-13.fc19.x86_64.rpm
Name : ksm
Epoch : 2
Version : 1.4.2
Release : 13.fc19
Architecture: x86_64
Install Date: (not installed)
Group : Development/Tools
Size : 12035
License : GPLv2+ and LGPLv2+ and BSD
Signature : RSA/SHA256, Wed 06 Nov 2013 08:02:15 PM CET, Key ID
07477e65fb4b18e6
Source RPM : qemu-1.4.2-13.fc19.src.rpm
Build Date : Wed 06 Nov 2013 02:11:41 AM CET
Build Host : buildvm-07.phx2.fedoraproject.org
Relocations : (not relocatable)
Packager : Fedora Project
Vendor : Fedora Project
URL : http://www.qemu.org/
Summary : Kernel Samepage Merging services
Description :
Kernel Samepage Merging (KSM) is a memory-saving de-duplication feature,
that merges anonymous (private) pages (not pagecache ones).
This package provides service files for disabling and tuning KSM.
As for the current cluster config:
- optimization : none (disable memory page sharing)
memory balloon optimization is not checked
- resilience policy : migrate virtual machines
- cluster policy : none
It seems to me that when I was in 3.2 there was some sort of load
balancing in the sense that if I powered on in sequence 3 VM they
started one on a host and one on the other.
So that now I noticed sort of difference.
I didn't change anything in cluster policy after upgrade to 3.3.1
Gianluca
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