Re: [Users] Nic names : always start by eth0
Hi AFAIK This is more a CentOS- than an oVirt-issue. CentOS behaves identically on vSphere. If I remember correctly, this is due to the fact that the MAC-address of the virtual NIC has to change, when you create a VM from a template. CentOS however keeps the MAC address of the template and just adds the new MAC, which then of course becomes eth1. --SMG - Original Message - From: gregoire leroy gregoire.le...@retenodus.net To: users@ovirt.org Sent: Tuesday, July 30, 2013 7:59:35 AM Subject: [Users] Nic names : always start by eth0 Hello, I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Thanks, Regards, Grégoire ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
gregoire.le...@retenodus.net wrote: I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Just use sys-unconfig which will wipe all machine specific data, like network/root pw/ and then make it into a template. On each clone the machine will need network/root pw/ etc. Joop ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
- Original Message - From: Itamar Heim ih...@redhat.com To: \René \Koch (ovido)\\ r.k...@ovido.at Cc: gregoire leroy gregoire.le...@retenodus.net, users@ovirt.org, Omer Frenkel ofren...@redhat.com, Michal Skrivanek mskri...@redhat.com, Greg Padgett gpadg...@redhat.com Sent: Tuesday, July 30, 2013 9:46:22 PM Subject: Re: [Users] Nic names : always start by eth0 On 07/30/2013 04:13 PM, René Koch (ovido) wrote: Hi, The easiest way is to remove 70-persistent-net.rules in your master-vm, remove HWADDR-strings from ifcfg-eth* friles, shut it down and create the template. Btw, also remove your ssh-keys in your template to create unique ones for each vm... will cloud-init solve this one? we should add an ability to send a user script that cloud-init will run, then basically user could put any configuration he would like. this is not available currently, but i'm pretty sure supported by cloud-init. Regards, René On Tue, 2013-07-30 at 14:59 +0200, gregoire.le...@retenodus.net wrote: Hello, I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Thanks, Regards, Grégoire ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
Hi You have toremove HWADDR value from theifcfg-ethX and rules string from /etc/udev/rules.d/70-persistent-net.rules files. It'll work fine if you have only one NIC per machine. -- Best regards, Pavel Zhukov Software Maintenance Engineer RHCE, RHCVA Tel: +420.532294671 mailto:pzhu...@redhat.com On Tue, 30 Jul 2013, gregoire.le...@retenodus.net wrote: | Hello, | | I have an ovirt cluster which runs CentOS VM. I have a template to | create VM. On this template, there are two interfaces, eth0 and | eth1. | When I create a VM using this template, the new interfaces are named | eth2 and eth3. It can be pretty annoying and I would like to know if | it would be possible to always start by eth0 ? | | If I remember the discussion on IRC, it would be necessary to clean | old udev rules (in centos it seems to be | /etc/udev/rules.d/70-persistent-net.rules) | | Thanks, | Regards, | Grégoire | ___ | Users mailing list | Users@ovirt.org | http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
Hi, The easiest way is to remove 70-persistent-net.rules in your master-vm, remove HWADDR-strings from ifcfg-eth* friles, shut it down and create the template. Btw, also remove your ssh-keys in your template to create unique ones for each vm... Regards, René On Tue, 2013-07-30 at 14:59 +0200, gregoire.le...@retenodus.net wrote: Hello, I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Thanks, Regards, Grégoire ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
Hi AFAIK This is more a CentOS- than an oVirt-issue. CentOS behaves identically on vSphere. If I remember correctly, this is due to the fact that the MAC-address of the virtual NIC has to change, when you create a VM from a template. CentOS however keeps the MAC address of the template and just adds the new MAC, which then of course becomes eth1. --SMG - Original Message - From: gregoire leroy gregoire.le...@retenodus.net To: users@ovirt.org Sent: Tuesday, July 30, 2013 7:59:35 AM Subject: [Users] Nic names : always start by eth0 Hello, I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Thanks, Regards, Grégoire ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
You need to delete the udev created files under /etc/udev.d I believe persistent-net-70-* or something (can't check). And then create your template Vincent Connected by Motorola Sven M. Geschke ov...@nebulaone.com wrote: Hi AFAIK This is more a CentOS- than an oVirt-issue. CentOS behaves identically on vSphere. If I remember correctly, this is due to the fact that the MAC-address of the virtual NIC has to change, when you create a VM from a template. CentOS however keeps the MAC address of the template and just adds the new MAC, which then of course becomes eth1. --SMG - Original Message - From: gregoire leroy gregoire.le...@retenodus.net To: users@ovirt.org Sent: Tuesday, July 30, 2013 7:59:35 AM Subject: [Users] Nic names : always start by eth0 Hello, I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Thanks, Regards, Grégoire ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
On Tue, 30 Jul 2013 16:40:16 +0200 Vincent Van der Kussrn vinc...@vanderkussen.org wrote: I hadn't looked at the history below which already explains it. you can also add a .reconfigure file in your root that allows you to provide a new root pwd on boot. - Vincent You need to delete the udev created files under /etc/udev.d I believe persistent-net-70-* or something (can't check). And then create your template Vincent Connected by Motorola Sven M. Geschke ov...@nebulaone.com wrote: Hi AFAIK This is more a CentOS- than an oVirt-issue. CentOS behaves identically on vSphere. If I remember correctly, this is due to the fact that the MAC-address of the virtual NIC has to change, when you create a VM from a template. CentOS however keeps the MAC address of the template and just adds the new MAC, which then of course becomes eth1. --SMG - Original Message - From: gregoire leroy gregoire.le...@retenodus.net To: users@ovirt.org Sent: Tuesday, July 30, 2013 7:59:35 AM Subject: [Users] Nic names : always start by eth0 Hello, I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Thanks, Regards, Grégoire ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] Nic names : always start by eth0
On 07/30/2013 04:13 PM, René Koch (ovido) wrote: Hi, The easiest way is to remove 70-persistent-net.rules in your master-vm, remove HWADDR-strings from ifcfg-eth* friles, shut it down and create the template. Btw, also remove your ssh-keys in your template to create unique ones for each vm... will cloud-init solve this one? Regards, René On Tue, 2013-07-30 at 14:59 +0200, gregoire.le...@retenodus.net wrote: Hello, I have an ovirt cluster which runs CentOS VM. I have a template to create VM. On this template, there are two interfaces, eth0 and eth1. When I create a VM using this template, the new interfaces are named eth2 and eth3. It can be pretty annoying and I would like to know if it would be possible to always start by eth0 ? If I remember the discussion on IRC, it would be necessary to clean old udev rules (in centos it seems to be /etc/udev/rules.d/70-persistent-net.rules) Thanks, Regards, Grégoire ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
