[PVE-User] Question about memory management

[Glenn Kelley]

I don't see why not.

As long as you are running the same version of the PVE across the nodes - the kernel itself should not matter.

1.8 on all should make your systems just hum along.
Keep that in mind however if you do try to transfer a site from one host node to another.

Blessings
On Jun 3, 2011, at 3:48 PM, Hart, Brian R. wrote:

> This email thread got me interested in KSM as I did not know that it
> existed prior to this and I discovered that in order to use it you must
> use kernel 2.6.35 which doesn't have openvz support.  My question is, In a
> PVE Cluster, is it possible to upgrade the kernel to 2.6.35 to get the KSM
> support on some nodes but keep some nodes at the 2.6.32 level in order to
> run OpenVZ?
> 
> 
> 
> 
> Brian Hart
> Systems Administration Specialist
> University of Oklahoma
> Center for Spatial Analysis
> Two Partners Place
> 3100 Monitor, Suite 180
> Norman, OK 73072
> Office: (405)325-9611
> Mobile: (405)397-2133
> http://csa.ou.edu/
> 
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Frederic MASSOT <frederic at juliana-multimedia.com>
> Organization: JULIANA Multimedia
> Date: Thu, 2 Jun 2011 16:08:52 +0200
> To: <pve-user at pve.proxmox.com>
> Subject: Re: [PVE-User] Question about memory management
> 
>> Le 02/06/2011 09:56, Martin Maurer a écrit :
>>> Use KSM.
>>> 
>>> http://pve.proxmox.com/wiki/KSM
>>> http://www.linux-kvm.org/page/KSM
>> 
>> Hi,
>> 
>> About KSM and ksmtuned daemon, the installation script
>> (/var/lib/dpkg/info/ksm-control-daemon.postinst) specifies the defaults
>> runlevel 2345 (update-rc.d ksmtuned defaults 21), but in the header of
>> the startup script (/etc/init.d/ksmtuned) runlevel 2 is forgotten :
>> 
>> # chkconfig: 345 85 15
>> # description: The KSM tuning daemon controls whether ...
>> # processname: ksmtuned
>> # config: /etc/ksmtuned.conf
>> # pidfile: /var/run/ksmtuned.pid
>> #
>> ### BEGIN INIT INFO
>> # Provides: ksmtuned
>> # Required-Start:
>> # Required-Stop:
>> # Should-Start:
>> # Default-Start: 3 4 5
>> # Default-Stop: 0 1 6
>> 
>> 
>> Most of the Debian system operates a level 2, in this case during the
>> package installation runlevel 2 is not taken into account and ksmtuned
>> is not running.
>> 
>> $ sudo update-rc.d ksmtuned defaults 21
>> update-rc.d: using dependency based boot sequencing
>> update-rc.d: warning: ksmtuned start runlevel arguments (2 3 4 5) do not
>> match LSB Default-Start values (3 4 5)
>> 
>> Tested with sysv-rc 2.88dsf-13.1
>> 
>> 
>> Regards.
>> -- 
>> ==============================================
>> |              FRÉDÉRIC MASSOT               |
>> |     http://www.juliana-multimedia.com      |
>> |   mailto:frederic at juliana-multimedia.com   |
>> ===========================Debian=GNU/Linux===
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