Re: [CentOS-virt] Pages In and Read Sectors in Guest Domain

2014-04-09 Thread Stefano Stabellini
On Sun, 6 Apr 2014, Deron wrote: Hello. I have been doing some performance tests with Xen and CentOS and have found some strange statistics when comparing the virtual memory (/proc/vmstat) and I/O (/proc/diskstat) statistics between the Domain 0 and guests.   When I look at the pgpgin

Re: [CentOS-virt] injecting a key into the xen images

2014-03-28 Thread Stefano Stabellini
On Fri, 28 Mar 2014, Karanbir Singh wrote: hi, As a part of the test suite for xen that I've started off - I needed a way to inject a ssh key into the image [1]; so have come up with this : https://github.com/CentOS/sig-virt-t_xen/blob/master/scripts/inject_ssh.sh ; its not pretty and it

Re: [CentOS-virt] injecting a key into the xen images

2014-03-28 Thread Stefano Stabellini
On Fri, 28 Mar 2014, Nux! wrote: On 28.03.2014 12:40, Karanbir Singh wrote: hi, As a part of the test suite for xen that I've started off - I needed a way to inject a ssh key into the image [1]; so have come up with this :

Re: [CentOS-virt] centos5 xen domu with X: screens not found

2014-03-18 Thread Stefano Stabellini
On Mon, 17 Mar 2014, Peter Peltonen wrote: Can you post the output of xenstore-ls after creating the domU? Sure, you can find it here: http://pastebin.com/apZftdEq Strangely enough according to xenstore, vfb is running and connected. Can you try connecting to it using xm or

Re: [CentOS-virt] centos5 xen domu with X: screens not found

2014-03-17 Thread Stefano Stabellini
On Sun, 16 Mar 2014, Peter Peltonen wrote: Hi, I am in a process to virtualize an existing non-virtualized CentOS5 system.  Everything else works fine except X: virt-manager's console just hangs after bootup. I can use the text console though and what I see in X server's log is the error

Re: [CentOS-virt] Can't create new Xen domains using libvirt on CentOS 6.5

2014-01-28 Thread Stefano Stabellini
On Tue, 28 Jan 2014, Jens Pelzetter wrote: Hello, we have a strange problem on a fresh install of CentOS 6.5. On the server we want to use Xen to host paravirtualised guests (the system has no hardware virtualization support). To manage the domain we would like to use libvirt. Xen and

Re: [CentOS-virt] xen_balloon: reserve_additional_memory: add_memory() Errors

2014-01-05 Thread Stefano Stabellini
On Fri, 3 Jan 2014, Chris Elliott wrote: Hi All Back in August there was a report of these errors popping up in dmesg, and as far as I can tell it’s still unresolved even in the latest kernel.   System RAM resource [mem 0xc800-0xcfff] cannot be added xen_balloon:

Re: [CentOS-virt] Upgrade of CentOS and libvirt: need help on configuring network

2013-09-23 Thread Stefano Stabellini
On Mon, 23 Sep 2013, Schut, Koos J J (Koos) wrote: I upgraded from CentOS 5.9 to CentOS 6.4. I try to reuse my virtual machines and am only partially successful: I can run them, I just cannot get the network OK and need some help with that.   What I had in the past was pretty simple:

Re: [CentOS-virt] Xen4CentOS6 project longevity

2013-08-16 Thread Stefano Stabellini
On Thu, 15 Aug 2013, gregg anderson wrote: We've been using CentOS 5 with Xen on our machines for a while now and have really grown to appreciate it. The lack of Xen for Centos 6 is the reason we haven't upgraded yet, but with Xen4CentOS6 we have all the tools we need. The concern some of

Re: [CentOS-virt] Would a hardware TRNG benefit VMs?

2013-07-16 Thread Stefano Stabellini
On Mon, 15 Jul 2013, Digimer wrote: On 15/07/13 07:04, Stefano Stabellini wrote: On Sat, 13 Jul 2013, Digimer wrote: Hi all, I've been curious about using hardware true random number generators in my VM clusters. This got me wondering about the VM's /dev/random source

Re: [CentOS-virt] Would a hardware TRNG benefit VMs?

2013-07-15 Thread Stefano Stabellini
On Sat, 13 Jul 2013, Digimer wrote: Hi all, I've been curious about using hardware true random number generators in my VM clusters. This got me wondering about the VM's /dev/random source... If I setup a hardware TRNG on the host, would the VM's also benefit from it? Xen VMs would