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xen-users
RE: [Xen-users] XCP resource pool
Hi Inas, A PIF represents a physical NIC inside a host, while a “Network” is a pool-wide thing. XCP automatically creates PIFs for all physical NICs, and creates one Network for all of those with the same device name across all hosts in the pool (e.g. all eth0 PIFs are on the same network). Suppose you have a VM running on host A, which has a VIF on the Network associated with the eth0 PIFs. All communication between this VM and nodes outside host A will then go through the eth0 interface on host A. The nice thing about this is that if you migrate your VM from host A to host B, the VM will automatically use B’s eth0 interface without any need to change the configuration. Hope that helps. Rob From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of inas mohamed
Sent: 04 January 2011 05:46
To: xen-users@xxxxxxxxxxxxxxxxxxx; admin@xxxxxxxxxxx
Subject: RE: [Xen-users] XCP resource pool Thanks soo much, but as I said before I am very new and by the time I am finding that my question is tooo .......:( I read many forums and guides on XCP and VMs and I found that many VDIs can be created on the same storage repository for our VMs. But regarding vifs, now as a said before I installed XCP on 5 servers and created a resource pool and all my servers joined that pool and when I try: # xe network-list bridge=xenbr0 params=uuid --minimal I am getting one network uuid but if I said: I got 5 NICs all are eth0, each have a different uuid but all have the same network uuid So, I am asking why when we are creating a vif we are using the network uuid not the pif uuid to say the traffic of this VM has to go through this NIC?? may be it is another .... question.but it is my question :)
--- On Mon, 1/3/11, admin@xxxxxxxxxxx <admin@xxxxxxxxxxx> wrote:
From: admin@xxxxxxxxxxx <admin@xxxxxxxxxxx>
Subject: RE: [Xen-users] XCP resource pool
To: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Monday, January 3, 2011, 9:58 PM
No, you can create on SR and store all of your VMs on that SR. For example, if you use an NFS target for your VHD files, all of your VMs could share that SR. You don’t need to assign a separate PIF for each VM. In fact, most people won’t. You will assign a separate VIF for each VM and then XCP can route the VIFs through a shared PIF. -----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of inas mohamed
Sent: Monday, January 03, 2011 12:55 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] XCP resource pool Hi, I am very new to XCP , and I have couple of questions to make things clear. After creating a resource pool: Do I have to create a SR for each VM, if I needed to assign 100GB HDD for this VM?? Do I have to assign a pif for each VM to distribute the traffic over my hosts NICs or the master will handle this?? Thanks so much for any help |
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