October 2015 - Users - oVirt List Archives

Changing gateway ping address
by Matteo 21 Mar '17

21 Mar '17

Hi all, I need to change the gateway ping address, the one used by hosted engine setup. Is ok to edit /etc/ovirt-hosted-engine/hosted-engine.conf on each node, update the gateway param with the new ip address and restart the agent&broker on each node? With a blind test seems ok, but need to understand if is the right procedure. Thanks, Matteo

4 7

oVirt-shell command to move a disk
by Nicolas Ecarnot 16 Aug '16

16 Aug '16

Hello, I'm confused because though I'm using ovirt-shell to script many actions every day, and even after a large bunch of reading and testing, I can not find the correct syntax to move (offline/available) disks between storage domains. May you help me please? (oVirt 3.4.4) -- Nicolas Ecarnot

4 10

3.6 upgrade issue
by Jon Archer 01 May '16

01 May '16

Hi all, Wonder if anyone can shed any light on an error i'm seeing while running engine-setup. If just upgraded the packages to the latest 3.6 ones today (from 3.5), run engine-setup, answered the questions, confirming install then get presented with: [ INFO ] Cleaning async tasks and compensations [ INFO ] Unlocking existing entities [ INFO ] Checking the Engine database consistency [ INFO ] Stage: Transaction setup [ INFO ] Stopping engine service [ INFO ] Stopping ovirt-fence-kdump-listener service [ INFO ] Stopping websocket-proxy service [ INFO ] Stage: Misc configuration [ INFO ] Stage: Package installation [ INFO ] Stage: Misc configuration [ ERROR ] Failed to execute stage 'Misc configuration': function getdwhhistorytimekeepingbyvarname(unknown) does not exist LINE 2: select * from GetDwhHistoryTimekeepingByVarName( ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts. [ INFO ] Yum Performing yum transaction rollback [ INFO ] Stage: Clean up Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-setup-20150929144137-7u5rhg.log [ INFO ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20150929144215-setup.conf' [ INFO ] Stage: Pre-termination [ INFO ] Stage: Termination [ ERROR ] Execution of setup failed Any ideas, where to look to fix things? Thanks Jon

5 4

MAC spoofing for specific VMs
by Christopher Young 13 Mar '16

13 Mar '16

I'm working on some load-balancing solutions and they appear to require MAC spoofing. I did some searching and reading and as I understand it, you can disable the MAC spoofing protection through a few methods. I was wondering about the best manner to enable this for the VMs that require it and not across the board (if that is even possible). I'd like to just allow my load-balancer VMs to do what they need to, but keep the others untouched as a security mechanism. If anyone has any advice on the best method to handle this scenario, I would greatly appreciate it. It seems that this might turn into some type of feature request, though I'm not sure if this is something that has to be done at the Linux bridge level, the port level, or the VM level. Any explanations into that would also help in my education. Thanks, Chris

3 5

python floppy in RunOnce mode
by Giulio Casella 07 Jan '16

07 Jan '16

Hi, I'm trying to boot a vm with non persistent floppy using python ovirt sdk (the "RunOnce" way in administrator portal), but guest OS can't see floppy drive. The ultimate goal is to deploy floppy with sysprep unattend.xml file for windows 7 pools of vm. Here is a snippet of code I use: ------------------------------------------------- myvm = api.vms.get(name="vmname") content="This is file content!" f=params.File(name="foobar.txt",content=content) fs=params.Files() fs.add_file(f) payload=params.Payload() payload.set_type("floppy") payload.set_files(fs) payloads=params.Payloads() payloads.add_payload(payload) thevm=params.VM() thevm.set_payloads(payloads) action=params.Action(vm=thevm) myvm.start(action=action) xml = ParseHelper.toXml(action) print xml ------------------------------------------------- As you can see, for debugging purpose, I print my xml action, and I get: ------------------------------------------------- <action> <vm> <payloads> <payload type="floppy"> <files> <file> <name>foobar.txt</name> <content>This is file content</content> </file> </files> </payload> </payloads> </vm> </action> ------------------------------------------------- in the admin portal I can see my vm in "RunOnce" state, but no floppy is present... In fact in the vm process command line (ps -ef | grep qemu-kvm | grep vmname) I can't see -drive option referring to floppy (I only see 2 "-drive" options, referring to vm system disk and to a correctly mounted cdrom ISO) What I'm doing wrong? (The engine is RHEV-M version 3.4.1-0.31.el6ev) Thanks in advance, Giulio

3 11

Re: [ovirt-users] Error during hosted-engine-setup for 3.5.1 on F20 (Cannot add the host to cluster ... SSH has failed)
by Bob Doolittle 18 Dec '15

18 Dec '15

On 03/09/2015 07:12 AM, Simone Tiraboschi wrote: > > ----- Original Message ----- >> From: "Bob Doolittle" <bob(a)doolittle.us.com> >> To: "Simone Tiraboschi" <stirabos(a)redhat.com> >> Sent: Monday, March 9, 2015 12:02:49 PM >> Subject: Re: [ovirt-users] Error during hosted-engine-setup for 3.5.1 on F20 (Cannot add the host to cluster ... SSH >> has failed) >> >> On Mar 9, 2015 5:23 AM, "Simone Tiraboschi" <stirabos(a)redhat.com> wrote: >>> >>> >>> ----- Original Message ----- >>>> From: "Bob Doolittle" <bob(a)doolittle.us.com> >>>> To: "users-ovirt" <users(a)ovirt.org> >>>> Sent: Friday, March 6, 2015 9:21:20 PM >>>> Subject: [ovirt-users] Error during hosted-engine-setup for 3.5.1 on >> F20 (Cannot add the host to cluster ... SSH has >>>> failed) >>>> >>>> Hi, >>>> >>>> I'm following the instructions here: >> http://www.ovirt.org/Hosted_Engine_Howto >>>> My self-hosted install failed near the end: >>>> >>>> To continue make a selection from the options below: >>>> (1) Continue setup - engine installation is complete >>>> (2) Power off and restart the VM >>>> (3) Abort setup >>>> (4) Destroy VM and abort setup >>>> >>>> (1, 2, 3, 4)[1]: 1 >>>> [ INFO ] Engine replied: DB Up!Welcome to Health Status! >>>> Enter the name of the cluster to which you want to add the >> host >>>> (Default) [Default]: >>>> [ ERROR ] Cannot automatically add the host to cluster Default: Cannot >> add >>>> Host. Connecting to host via SSH has failed, verify that the host is >>>> reachable (IP address, routable address etc.) You may refer to the >>>> engine.log file for further details. >>>> [ ERROR ] Failed to execute stage 'Closing up': Cannot add the host to >>>> cluster Default >>>> [ INFO ] Stage: Clean up >>>> [ INFO ] Generating answer file >>>> '/var/lib/ovirt-hosted-engine-setup/answers/answers-20150306135624.conf' >>>> [ INFO ] Stage: Pre-termination >>>> [ INFO ] Stage: Termination >>>> >>>> I can ssh into the engine VM both locally and remotely. There is no >>>> /root/.ssh directory, however. Did I need to set that up somehow? >>> It's the engine that needs to open an SSH connection to the host calling >> it by its hostname. >>> So please be sure that you can SSH to the host from the engine using its >> hostname and not its IP address. >> >> I'm assuming this should be a password-less login (key-based >> authentication?). > Yes, it is. > >> As what user? > root OK, I see a couple of problems. First off, I didn't have my deploying-host hostname in the hosts map for my engine. After adding it to /etc/hosts (both hostname and FQDN), when I try to ssh from root@engine to root@host it is prompting me for a password. On my engine, ~root/.ssh does not contain any keys. On my host, ~root/.ssh has authorized_keys, and in it there is a key with the comment "ovirt-engine". It's possible that I inadvertently removed ~root/.ssh on engine while I was preparing the engine (I started to set up my own no-password logins and then thought better and cleaned up, not realizing that some prior setup affecting that directory had occurred). That would explain the second issue. How/when does the key for root@engine get populated to the host's ~root/.ssh/authenticated_keys during setup? -Bob > >> -Bob >> >>> Till hosted-engine hosts were simply identified by their IP address but >> than we had some bug report on side effects of that. >>> So now we generate and sign certs using host hostnames and so the engine >> should be able to correctly resolve them. >>>> When I log into the Administration portal, the engine VM does not appear >>>> under the Virtual machine view (it's empty). >>> It's cause the setup didn't complete. >>> >>>> I've attached what I think are the relevant logs. >>>> >>>> Also, when my host reboots, the ovirt-ha-broker and ovirt-ha-agent >> services >>>> do not come up automatically. I have to use systemctl to start them >>>> manually. >>> It's cause the setup didn't complete. >>> >>>> This is a fresh Fedora 20 machine installing a fresh copy of Ovirt >> 3.5.1. >>>> What's the cleanest approach to restore/complete sanity of my setup >> please? >>> First step is to clarify what went wrong in order to avoid it in the >> future. >>> Than, if you want a really sanity environment for production use I'd >> suggest to redeploy. >>> So >>> hosted-engine --vm-poweroff >>> empty the storage domain share and deploy again >>> >>>> Thanks, >>>> Bob >>>> >>>> >>>> I've linked 3 files to this email: >>>> server.log (12.4 MB) Dropbox https://db.tt/g5p09AaD >>>> vdsm.log (3.2 MB) Dropbox https://db.tt/P4572SUm >>>> ovirt-hosted-engine-setup-20150306123622-tad1fy.log (413 KB) Dropbox >>>> https://db.tt/XAM9ffhi >>>> Mozilla Thunderbird makes it easy to share large files over email. >>>> >>>> >>>> _______________________________________________ >>>> Users mailing list >>>> Users(a)ovirt.org >>>> http://lists.ovirt.org/mailman/listinfo/users >>>>

4 17

Windows 10
by Koen Vanoppen 01 Dec '15

01 Dec '15

Dear all, Yes, onther question :-). This time it's about windows 10. I'm running ovirt 3.5.4 and I don't manage to install windows 10 on it. Keeps giving me a blue screen (yes, I know, it's still a windows... ;-) ) on reboot. Are there any special settings you need to enable when creating the vm? Which OS do I need to select? Or shall I just wait untile the relase of ovirt 3.6 :-) ? Kind regards, Koen

4 5

Corruped disks
by Koen Vanoppen 30 Nov '15

30 Nov '15

Dear all, lately we are experience some strange behaviour on our vms... Every now and then we have disks that went corrupt. Is there a chance that ovirt is the issue here or...? It happens (luckily) on our DEV/UAT cluster. Since the last 4 weeks, we already had 6 vm's that went totaly corrupt... Kind regards, Koen

3 3

Issue with kernel 2.6.32-573.3.1.el6.x86_64?
by Michael Kleinpaste 30 Nov '15

30 Nov '15

So I patched my vhosts and updated the kernel to 2.6.32-573.3.1.el6.x86_64. Afterwards the networking became unstable for my vyatta firewall vm. Lots of packet loss and out of order packets (based on my tshark at the time). Has anybody else experienced this? -- *Michael Kleinpaste* Senior Systems Administrator SharperLending, LLC. www.SharperLending.com Michael.Kleinpaste(a)SharperLending.com (509) 324-1230 Fax: (509) 324-1234

4 7

live snapshot merging
by Koen Vanoppen 30 Nov '15

30 Nov '15

Dear Community, Are there plans for live merging of snapshots? I know it is supported from libvirt 1.2.10. Kind regards, Koen

5 8