Hardwre for KVM host

2012-10-19 Thread Lukas Laukamp
Hey all, at the moment I am looking for hardware for a KVM host, but on a few points I realy have problems to get a good hardware setup. My situation is the following: I need a server with minimal energy consumption, the ability of PCI Passtrough (so IOMMU is needed) and good support for

Re: Secure migration of LVM based guests over WAN

2012-10-17 Thread Lukas Laukamp
Am 16.10.2012 12:10, schrieb Avi Kivity: On 10/16/2012 11:48 AM, Lukas Laukamp wrote: Am 16.10.2012 11:40, schrieb Avi Kivity: On 10/16/2012 11:12 AM, Lukas Laukamp wrote: Hey all, I have a question about a solution for migrate LVM based guests directly over the network. So the situation

Secure migration of LVM based guests over WAN

2012-10-16 Thread Lukas Laukamp
Hey all, I have a question about a solution for migrate LVM based guests directly over the network. So the situation: Two KVM hosts with libvirt, multiple LVM based guests Want to do: Migrate a LVM based guest directly to the other host over an secure connection I know that migration is

Re: Secure migration of LVM based guests over WAN

2012-10-16 Thread Lukas Laukamp
Am 16.10.2012 11:40, schrieb Avi Kivity: On 10/16/2012 11:12 AM, Lukas Laukamp wrote: Hey all, I have a question about a solution for migrate LVM based guests directly over the network. So the situation: Two KVM hosts with libvirt, multiple LVM based guests Want to do: Migrate a LVM based

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-15 Thread Lukas Laukamp
Am 15.10.2012 05:06, schrieb Javier Guerra Giraldez: On Sat, Oct 13, 2012 at 5:25 PM, Lukas Laukamp lu...@laukamp.me wrote: I have backed up the data within the machine with partimage and fsarchiver. But it would be greate to have a better way than doing this over a live system. make

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-13 Thread Lukas Laukamp
Am 12.10.2012 23:53, schrieb Javier Guerra Giraldez: On Fri, Oct 12, 2012 at 3:56 PM, Lukas Laukamp lu...@laukamp.me wrote: I think that it must be possible to create an image with a size like the used space + a few hundret MB with metadata or something like that. the 'best' way to do

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-13 Thread Lukas Laukamp
Am 13.10.2012 12:28, schrieb Lukas Laukamp: Am 12.10.2012 23:53, schrieb Javier Guerra Giraldez: On Fri, Oct 12, 2012 at 3:56 PM, Lukas Laukamp lu...@laukamp.me wrote: I think that it must be possible to create an image with a size like the used space + a few hundret MB with metadata

[User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Hey all, I have a simple user question. I have a few LVM based KVM guests and wan't to backup them to files. The simple and nasty way would be to create a complete output file with dd, which wastes very much space. So I would like to create a backup of the LVM to a file which only locates

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 10:58, schrieb Lukas Laukamp: Am 12.10.2012 10:42, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 08:52:32AM +0200, Lukas Laukamp wrote: I have a simple user question. I have a few LVM based KVM guests and wan't to backup them to files. The simple and nasty way would

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 12:11, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 11:17 AM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 10:58, schrieb Lukas Laukamp: Am 12.10.2012 10:42, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 08:52:32AM +0200, Lukas Laukamp wrote: I have a simple user

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 12:47, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 12:16 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 12:11, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 11:17 AM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 10:58, schrieb Lukas Laukamp: Am

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 13:36, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 12:50 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 12:47, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 12:16 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 12:11, schrieb Stefan Hajnoczi: On Fri

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 14:59, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 1:51 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 13:36, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 12:50 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 12:47, schrieb Stefan Hajnoczi: On Fri

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 16:36, schrieb Javier Guerra Giraldez: On Fri, Oct 12, 2012 at 9:25 AM, Stefan Hajnoczi stefa...@gmail.com wrote: I would leave them raw as long as they are sparse (zero regions do not take up space). If you need to copy them you can either convert to qcow2 or use tools that

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 13:36, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 12:50 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 12:47, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 12:16 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 12:11, schrieb Stefan Hajnoczi: On Fri

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 21:13, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 8:14 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 13:36, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 12:50 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 12:47, schrieb Stefan Hajnoczi: On Fri

Re: [User Question] How to create a backup of an LVM based maschine without wasting space

2012-10-12 Thread Lukas Laukamp
Am 12.10.2012 22:43, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 9:26 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 21:13, schrieb Stefan Hajnoczi: On Fri, Oct 12, 2012 at 8:14 PM, Lukas Laukamp lu...@laukamp.me wrote: Am 12.10.2012 13:36, schrieb Stefan Hajnoczi: On Fri