Real Noob question- setting a static IP on host
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2017-09-18 18:13 GMT+02:00 Alexander Witte <alexander.witte@baicanada.com>:
I am incredibly sorry over this noob question but I am really bashing my head trying to simply change an IP address on an Ovirt host. oVirt was pushed to this host through the server web interface. It is running on top of Centos 7.
From the docs it says to log into the host and edit the ifcfg-ovirtmgmt file and I have done and here are the latest settings:
#Generated by VDSM version 4.19.28-1.e17.centos DEVICE:ovirtmgmt TYPE:Bridge DELAY=0 STP=off ONBOOT=yes BOOTPROTO=none MTU=1500 DEFROUTE=yes NM_CONTROLLED=no IPV6INIT=yes IPV6_AUTOCONF=yes IPADDR=10.0.0.226 GATEWAY=10.0.0.1 PREFIX=13 DNS1=10.0.0.9 DNS2=8.8.8.8
The server can reach everything on the network fine. Although it cannot be reached through the oVirt web interface and the host is in a “connecting” status. In the oVirt web interface if I attempt to edit the NIC settings from DHCP to Static to reflect the changes Ive made above I run into this error:
- Cannot setup Networks. Another Setup Networks or Host Refresh process in progress on the host. Please try later.
Dan, Marcin can you help here?
What is the correct procedure to change a host management IP from DHCP to STATIC? Should I make these changes manually on the host or through the NIC settings in the oVirt web interface (when I tried this it just seemed to hang..)
The administration guide related to host management is here: https://ovirt.org/documentation/admin-guide/chap-Hosts/ but it doesn't cover the change of the host network configuration. Dan and Marcin or some other sysadmin in this list may correct me, but I think the correct procedure here is: - Put the host to maintenance in the ovirt interface - change the nic settings in ovirt web interface - activate the host Derek, we should probably ensure this case is covered in the Admin guide.
Any help is greatly appreciated.
Thanks!!
Alex
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
-- SANDRO BONAZZOLA ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> <http://www.teraplan.it/redhat-osd-2017/>
On Fri, Sep 29, 2017 at 9:13 AM, Sandro Bonazzola <sbonazzo@redhat.com> wrote:
2017-09-18 18:13 GMT+02:00 Alexander Witte <alexander.witte@baicanada.com> :
I am incredibly sorry over this noob question but I am really bashing my head trying to simply change an IP address on an Ovirt host. oVirt was pushed to this host through the server web interface. It is running on top of Centos 7.
From the docs it says to log into the host and edit the ifcfg-ovirtmgmt file
Which docs exactly? I am asking because the ifcfg is autogenerated and would be rewritten on boot based on /var/lib/vdsm/persistence and I have done and here are the latest settings:
#Generated by VDSM version 4.19.28-1.e17.centos DEVICE:ovirtmgmt TYPE:Bridge DELAY=0 STP=off ONBOOT=yes BOOTPROTO=none MTU=1500 DEFROUTE=yes NM_CONTROLLED=no IPV6INIT=yes IPV6_AUTOCONF=yes IPADDR=10.0.0.226 GATEWAY=10.0.0.1 PREFIX=13 DNS1=10.0.0.9 DNS2=8.8.8.8
The server can reach everything on the network fine. Although it cannot be reached through the oVirt web interface and the host is in a “connecting” status. In the oVirt web interface if I attempt to edit the NIC settings from DHCP to Static to reflect the changes Ive made above I run into this error:
- Cannot setup Networks. Another Setup Networks or Host Refresh process in progress on the host. Please try later.
Dan, Marcin can you help here?
I am afraid that there is no reliable way to change the management network address of a host. Well, if you've added the host via its fqdn, you could modify its DNS entry in parallel to modifying its local address, but that is not fun either. I'd suggest to remove the host from Engine, remove on-host network configuration (in ovirt-4.2 that would be possible to be done via `vdsm-tool remove-nets`. At the moment, you'd have to edit ifcfg and not reboot), and re-add the host via a new address. I hope that helps. If anybody has a smarter way to improve this process, please speak up.
What is the correct procedure to change a host management IP from DHCP to STATIC? Should I make these changes manually on the host or through the NIC settings in the oVirt web interface (when I tried this it just seemed to hang..)
The administration guide related to host management is here: https://ovirt.org/documentation/admin-guide/chap-Hosts/ but it doesn't cover the change of the host network configuration. Dan and Marcin or some other sysadmin in this list may correct me, but I think the correct procedure here is: - Put the host to maintenance in the ovirt interface - change the nic settings in ovirt web interface - activate the host
Derek, we should probably ensure this case is covered in the Admin guide.
Any help is greatly appreciated.
Thanks!!
Alex
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
--
SANDRO BONAZZOLA
ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> <http://www.teraplan.it/redhat-osd-2017/>
Thanks Sandro, I'll put it in the plan. Kind regards, *Derek Cadzow* Content Strategist , OSP, RHV, RHCLS, RHCI, QCI Customer Content Services dcadzow@redhat.com | mobile: 9 19.917.1195 On Fri, Sep 29, 2017 at 2:13 AM, Sandro Bonazzola <sbonazzo@redhat.com> wrote:
2017-09-18 18:13 GMT+02:00 Alexander Witte <alexander.witte@baicanada.com> :
I am incredibly sorry over this noob question but I am really bashing my head trying to simply change an IP address on an Ovirt host. oVirt was pushed to this host through the server web interface. It is running on top of Centos 7.
From the docs it says to log into the host and edit the ifcfg-ovirtmgmt file and I have done and here are the latest settings:
#Generated by VDSM version 4.19.28-1.e17.centos DEVICE:ovirtmgmt TYPE:Bridge DELAY=0 STP=off ONBOOT=yes BOOTPROTO=none MTU=1500 DEFROUTE=yes NM_CONTROLLED=no IPV6INIT=yes IPV6_AUTOCONF=yes IPADDR=10.0.0.226 GATEWAY=10.0.0.1 PREFIX=13 DNS1=10.0.0.9 DNS2=8.8.8.8
The server can reach everything on the network fine. Although it cannot be reached through the oVirt web interface and the host is in a “connecting” status. In the oVirt web interface if I attempt to edit the NIC settings from DHCP to Static to reflect the changes Ive made above I run into this error:
- Cannot setup Networks. Another Setup Networks or Host Refresh process in progress on the host. Please try later.
Dan, Marcin can you help here?
What is the correct procedure to change a host management IP from DHCP to STATIC? Should I make these changes manually on the host or through the NIC settings in the oVirt web interface (when I tried this it just seemed to hang..)
The administration guide related to host management is here: https://ovirt.org/documentation/admin-guide/chap-Hosts/ but it doesn't cover the change of the host network configuration. Dan and Marcin or some other sysadmin in this list may correct me, but I think the correct procedure here is: - Put the host to maintenance in the ovirt interface - change the nic settings in ovirt web interface - activate the host
Derek, we should probably ensure this case is covered in the Admin guide.
Any help is greatly appreciated.
Thanks!!
Alex
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
--
SANDRO BONAZZOLA
ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> <http://www.teraplan.it/redhat-osd-2017/>
participants (4)
-
Alexander Witte -
Dan Kenigsberg -
Derek Cadzow -
Sandro Bonazzola