Re: [ovirt-users] Suggestions on changing hosts' network

On Mon, Jan 8, 2018 at 12:57 PM, Edward Haas <ehaas(a)redhat.com&gt; wrote: > >>> >> >> hello, >> any update on how to give JSON representation (or other way) to use >> vdsm-client and change ip/gateway of ovirt-ng node? >> Thanks >> > > How to use vdsm-client in general: Just check its man page. > You will need to fill up the existing management network details in the > json format, replacing just the IP address. > The main concern here is, that if you missed something, it may be removed. > You should follow https://access.redhat.com/solutions/168983 for full > details. > > I would suggest using a different approach, although I have not tested it > myself: > Edit the persisted relevant configuration files: > /var/lib/vdsm/persistence/netconf > (Change the IP there, without touching the other stuff) > Then, reboot the host.. It should identify that the existing config is > not in sync with the persisted one and a reconfig will be issued > automatically. > The risk here is that the config will not successfully get applied, so > make sure you save the previous version. > > Thanks, > Edy. > > Actually I see some misalignment between what I see in man page, what I get with "-h" option and real command usage. Eg in oVirt 4.1.7 (vdsm-client-4.19.37-1.el7.centos.noarch): man vdsm-client " Invoking commands with complex parameters For invoking commands with complex or many arguments, you can read a JSON dictionary from a file: vdsm-client Lease info -f lease.json where lease.json file content is: { "lease": { "sd_id": "75ab40e3-06b1-4a54-a825-2df7a40b93b2", "lease_id": "b3f6fa00-b315-4ad4-8108-f73da817b5c5" } } " But actually if I create a json file and execute [root@ovirtng4101 ~]# vdsm-client Host setupNetworks -f network.json I get: usage: vdsm-client [-h] [-a HOST] [-p PORT] [--unsecure] [--insecure] [--timeout TIMEOUT] [-f FILE] namespace method [arg=value] ... vdsm-client: error: unrecognized arguments: -f Please try running:

The workaround to change in place the file (in my case ipaddr and gateway fileds): /var/lib/vdsm/persistence/netconf.1515365150707441369/ nets/ovirtmgmt and then shutdown/power on seems to work ok instead. I can reinstall the host and the change remains persistent across reboots Thanks for the pointer for RHEV doc, because I didn't find it at first glance and I have to do the same for a RHEV eval too; but it seems the problem is present also there with RHV-H installed in December (nodectl info reports that current layer is rhvh-4.1-0.20171101.0+1; probably the problem has been already solved, I have to check). I can give more details on this off-list if you like as this doesn't directly relate with oVirt. Thanks in the mean time for the persistence file method that I think/hope will work for RHV-H too if I don't update the image Gianluca PS: ok also for the "not officially supported." advise. This is only a test where two hosts are to be moved from datacenter 1 to datacenter 2... _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users