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problem while moving/copying disks: vdsm low level image copy failed
by Johan Bernhardsson 31 Jul '17

31 Jul '17

Hello, We get this error message while moving or copying some of the disks on our main cluster running 4.1.2 on centos7 This is shown in the engine: VDSM vbgkvm02 command HSMGetAllTasksStatusesVDS failed: low level Image copy failed I can copy it inside the host. And i can use dd to copy. Haven't tried to run qemu-img manually yet. This is from vdsm.log on the host: 2017-07-28 09:07:22,741+0200 ERROR (tasks/6) [root] Job u'c82d4c53- 3eb4-405e-a2d5-c4c77519360e' failed (jobs:217) Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/vdsm/jobs.py", line 154, in run self._run() File "/usr/share/vdsm/storage/sdm/api/copy_data.py", line 88, in _run self._operation.wait_for_completion() File "/usr/lib/python2.7/site-packages/vdsm/qemuimg.py", line 329, in wait_for_completion self.poll(timeout) File "/usr/lib/python2.7/site-packages/vdsm/qemuimg.py", line 324, in poll self.error) QImgError: cmd=['/usr/bin/taskset', '--cpu-list', '0-15', '/usr/bin/nice', '-n', '19', '/usr/bin/ionice', '-c', '3', '/usr/bin/qemu-img', 'convert', '-p', '-t', 'none', '-T', 'none', '-f', 'raw', u'/rhev/data-center/mnt/glusterSD/vbgsan02:_fs02/0924ff77-ef51- 43 5b-b90d-50bfbf2e8de7/images/750f4184-b852-4b00-94fc- 476f3f5b93c7/3fe43487-3302-4b34-865a-07c5c6aedbf2', '-O', 'raw', u'/rhev/data-center/mnt/glusterSD/10.137.30.105:_fs03/5d47a297-a21f- 4587-bb7c-dd00d52010d5/images/750f4184-b852-4b00-94fc- 476f3f5b93c7/3fe43487-3302-4b34-865 a-07c5c6aedbf2'], ecode=1, stdout=, stderr=qemu-img: error while reading sector 12197886: No data available , message=None The storage domains are all based on gluster. The storage domains that we see this on is configured as dispersed volumes. Found a way to "fix" the problem. And that is to run dd if=/dev/vda of=/dev/null bs=1M inside the virtual guest. After that we can copy an image or use storage livemigration. Is this a gluster problem or an vdsm problem? Or could it be something with qemu-img? /Johan

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Hosted Engine increase memory
by gregor 30 Jul '17

30 Jul '17

Hi, is it possible to increase the memory of an hosted engine after the installation? cheers gregor

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Yum error while installing host on Centos7
by Iurcev, Massimiliano 30 Jul '17

30 Jul '17

I installed ovirt-engine on Centos7. My target is to have a single host machine. During the installation of the (first and unique) host, I get an error: Failed to install Host xxxx. Yum Non-fatal POSTIN scriptlet failure in rpm package gtk2-2.24.28-8.el7.x86_64. This error is followed by other errors: Failed to install Host xxxx. Failed to execute stage 'Package installation': One or more elements within Yum transaction failed. and finally: Host xxxx installation failed. Command returned failure code 1 during SSH session 'root(a)xxxx.mydomain.it'. All other libraries are yum-installed without problems.

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ovirt and mixed selinux
by Bill James 30 Jul '17

30 Jul '17

I was hoping to migrate my systems to using selinux gradually. I added 3 new nodes with selinux in permissive mode. Migration fails to any of the previous hosts that currently have selinux disabled. Is it an all or nothing deal? Obviously not easy to reboot all nodes at once. 2017-07-28 09:35:43,616 ERROR (migsrc/8c566813) [virt.vm] (vmId='8c566813-4bee-4f04-be23-c9fc10e1e1f2') unsupported configuration: Unable to find security driver for model selinux (migration:265) 2017-07-28 09:35:43,641 ERROR (migsrc/8c566813) [virt.vm] (vmId='8c566813-4bee-4f04-be23-c9fc10e1e1f2') Failed to migrate (migration:405) Traceback (most recent call last): ovirt-engine-4.1.0.4-1.el7.centos.noarch libselinux-utils-2.5-6.el7.x86_64 related: http://lists.ovirt.org/pipermail/users/2016-October/076878.html

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Quick way to generate vmconsole host keys?
by Richard Chan 29 Jul '17

29 Jul '17

Is there a quick way to generate the vmconsole host keys without putting the host into maintenance and reinstalling? -- Richard Chan

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[SOLVED] Re: How to stop "Failed to stop image transfer session. Ticket does not exist for image" spam
by Richard Chan 29 Jul '17

29 Jul '17

Solved: I did not see the "Cancel" option in the disk page when the disk upload is stalled. Apologies for the noise. On Sat, Jul 29, 2017 at 2:57 PM, Richard Chan <richard(a)treeboxsolutions.com> wrote: > Using oVirt 4.1.3 - I have some failed disk uploads but the logs are being > spammed by > > > "Failed to stop image transfer session. Ticket does not exist for image" > > How to stop this? Thnaks! > > > -- > Richard Chan > > -- Richard Chan

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Chrome 59 still will not upload to imageio, firefox ok
by Richard Chan 29 Jul '17

29 Jul '17

oVirt 4.1.4 I have imageio proxy working with web ui on firefox. On Chrome 59 I read bz# https://bugzilla.redhat.com/show_bug.cgi?id=1430598 and set "EnableCommonNameFallbackForLocalAnchors": true. However the upload fails with Make sure ovirt-imageio-proxy service is installed and configured, and ovirt-engine's certificate is registered as a valid CA in the browser. The certificate can be fetched from https:// <engine_url>/ovirt-engine/services/pki-resource?resource=ca-certificate&format=X509-PEM-CA In the terminal I see :ERROR:cert_verify_proc_nss.cc(923)] CERT_PKIXVerifyCert for XXXXXXXX failed err=-8172 for both the web UI and imageio proxy. Any suggestions? -- Richard Chan

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How to stop "Failed to stop image transfer session. Ticket does not exist for image" spam
by Richard Chan 28 Jul '17

28 Jul '17

Using oVirt 4.1.3 - I have some failed disk uploads but the logs are being spammed by "Failed to stop image transfer session. Ticket does not exist for image" How to stop this? Thnaks! -- Richard Chan

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Migration network used also as vm network
by Gianluca Cecchi 28 Jul '17

28 Jul '17

Hello, I have a 10Gbit vlan defined as migration network and currently not enabled as vm network. When you configure a host interface, assigning a vlan that is defined as migration network, you must assign an ip to it on the host. Suppose I want to edit this vlan in DC so that I enable it to be also a VM network, are there any drawbacks having for example on a host the ip for this vlan (the migration ip) and also one or more running VMs with their vnics configured on this vlan too...? Thanks in advance, Gianluca

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Regarding Ovirt Node ISO
by TranceWorldLogic . 28 Jul '17

28 Jul '17

Hi, I want to know packages list in ovirt node ISO. Do we have some documentation or some auto output of jenkin job ? Please let me know. Thanks, ~Rohit

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