[CentOS-virt] Linux KVM on CentOS 5.6

2011-09-20 Thread Kaushal Shriyan
Hi, I have IBM x3650M3 Server with 2 Physical CPU each with quad core configs and 32GB of physical RAM and 600 GB usable space. I am using linux kvm for this purpose. Please correct or suggest me if i am doing wrong I have installed CentOS 5.6 on physical server as host OS. I need to create 2 Vir

Re: [CentOS-virt] KVM CO 5.6 VM guest crashes running iSCSI

2011-09-20 Thread Momonth
It was resolved by re-installing the KVM host with CentOS 6.0, unfortunately there is not "official" CentOS 5.6 -> CentOS 6.0 upgrade path. Vladimir On Wed, Sep 14, 2011 at 3:56 PM, Momonth wrote: > Hi All, > > I'm running KVM host on CentOS 5.6 x64, all of my guests are CO 5.6 > x64 as well. I

Re: [CentOS-virt] Network traffic control/shaping of guest interfaces

2011-09-20 Thread Emmanuel Noobadmin
On 9/21/11, Nenad Opsenica wrote: > You can combine bridged and routed setup - for example, use bridging for > storage, routing for internet and user access. > > Using routed setup have one more advantage - you can use firewall on > host to filter guests' traffic. Thanks for the tip, I'll have t

Re: [CentOS-virt] Network traffic control/shaping of guest interfaces

2011-09-20 Thread Nenad Opsenica
On 09/20/2011 08:44 PM, Emmanuel Noobadmin wrote: > On 9/21/11, Nenad Opsenica wrote: >> I would convert bridged setup on host to the routed one. >> Then you will have several separate interfaces on host, each one used >> for communication with only one guest and it will be easy to attach tc >>

Re: [CentOS-virt] Network traffic control/shaping of guest interfaces

2011-09-20 Thread Emmanuel Noobadmin
On 9/21/11, Nenad Opsenica wrote: > I would convert bridged setup on host to the routed one. > Then you will have several separate interfaces on host, each one used > for communication with only one guest and it will be easy to attach tc > to them. In other words, there's no solution for bridged

Re: [CentOS-virt] Network traffic control/shaping of guest interfaces

2011-09-20 Thread Nenad Opsenica
On 09/20/2011 08:20 PM, Emmanuel Noobadmin wrote: > I can't put the restrictions within the guest because I don't want the > individual VM admins to be able to stop the script from running. > > On my new host, I have bridged networking with br0, eth0 and guests > running off vnet. > I've tried ap

[CentOS-virt] Network traffic control/shaping of guest interfaces

2011-09-20 Thread Emmanuel Noobadmin
I've been using tc/htb for network control previously to control bandwidth available to different services running on their own IPs on a unvirtualized host. Now, I have put them into their own guest VM. I would like to be able to do something similar to ensure the more crucial service gets more ba

Re: [CentOS-virt] Getting guest to detect new drive without reboot

2011-09-20 Thread Emmanuel Noobadmin
On 9/20/11, Ian Forde wrote: > Partprobe Thanks for pointing this out, although due to time pressure I did the nasty in the end, kicked everybody off and rebooted the server. But I'll keep this in mind the next time I need to do this again, probably sooner than later.

Re: [CentOS-virt] Getting guest to detect new drive without reboot

2011-09-20 Thread Ian Forde
Partprobe Sent from my iPad On Sep 19, 2011, at 21:51, Emmanuel Noobadmin wrote: > I've got a CentOS 5.6 guest running on 6.0 host. > > Using virsh attach-disk, I attached a new raw file as vdc > However, the guest does not detect this new disk. > > In the past, I've used the following > echo