Description of problem: VMs exported via export as OVA, would not start after import Version-Release number of selected component (if applicable): 4.3.10.1 and 4.3.10.4 tested How reproducible: Every time Steps to Reproduce: 1. Shut down working VM 2. Export to an NFS mount via "Export as OVA" 3. *.ova file with logical size similar to configured VM disk is created, e.g. a 100GB disk shows as a 100GB file via 'ls -lh <vm-name>.ova' 4. Import on another cluster or after deleting original VM on source seems to succeed 5. Machine files to boot for lack of a proper boot device: Disk turns out to be empty Actual results: 'du -h <vm-name>.ova' shows around 40kb of allocated blocks for 100GB file 'strings <vm-name>.ova' dumps an XML header and then 99.99GB of zeros Expected results: Original VM restored and working Additional info: Exports/Inports are run on 3 node HCI setups using gluster storage with 2 full copies 1 arbiter and VDO compression/deduplication enabled, created via GUI wizard. Tested with various Linux guests, older exports sometimes resulted in files not completely empty, but still unsable. With 23GB of a 100GB disk actually used, the export might only have 3GB of allocated data inside. Exports to an export domain result in 23GB of data consumed on the NFS mount. Import and validation on a target farm is still going on as I write this, but is somewhat unrelated. I don't know where to look for logs on export and import. There doesn't seem to be anything specific and I didn't see anything obvious in the engine log. While 'foreign' OVA imports which required a VM conversion via virt-v2v seem to be logged in /var/log/vdsm/import, no log was written for the 'domestic' OVA import, which was reported as successful, created the machine, but left the disks empty. Export to export domain
Export/Import via export domain worked fine. VM was moved between farms and is fully operational.
Created attachment 1702991 [details] ova logs I found and attached the ova logs from the management engine, where I can see no obvious errors.
Created attachment 1702992 [details] full engine log for the period This is the full engine log for the time period of the export
So here is the output of strings command to prove that the ova file really contains nothing but zeros after the XML header. [root@petitcent ova]# strings tdc.mtk.hoberg.net.ova vm.ovf 0000644 0000000 0000000 00000044312 13710315711 010345 ustar 0000000 0000000 <?xml version="1.0" encoding="UTF-8"?><ovf:Envelope xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1" xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData" xmlns:vssd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.dmtf.org/ovf/envelope/1" xmlns:ovirt="http://www.ovirt.org/ovf"><References><File ovf:href="845cdd93-def8-4d84-9a08-f8c991f89fe3" ovf:id="845cdd93-def8-4d84-9a08-f8c991f89fe3" ovf:size="107390828544"></File></References><NetworkSection><Info>List of networks</Info><Network ovf:name="ovirtmgmt"></Network></NetworkSection><DiskSection><Info>List of Virtual Disks</Info><Disk ovf:diskId="3be7c1bb-377c-4d5e-b4f6-1a6574b8a52b" ovf:capacity="100" ovf:capacityAllocationUnits="byte * 2^30" ovf:populatedSize="107390828544" ovf:parentRef="" ovf:fileRef="845cdd93-def8-4d84-9a08-f8c991f89fe3" ovf:format="http://www.vmware.com/specifications/vmdk.html#sparse" ovf:volume-format="RAW" ovf:volume-type="Sparse" ovf:disk-interface="VirtIO_SCSI" ovf:boot="true" ovf:pass-discard="true" ovf:disk-alias="tdc.mtk.hoberg.net_Disk1" ovf:disk-description="" ovf:wipe-after-delete="false" ovf:description="Auto-generated for Export To OVA" ovf:disk_storage_type="IMAGE" ovf:cinder_volume_type=""></Disk></DiskSection><VirtualSystem ovf:id="1b5d92b6-4492-49be-82d5-aee87ad7c27d"><Name>tdc.mtk.hoberg.net</Name><Description>Univention Third Domain Controller</Description><Comment></Comment><CreationDate>2020/03/10 15:17:48</CreationDate><ExportDate>2020/07/29 15:54:38</ExportDate><DeleteProtected>false</DeleteProtected><SsoMethod>guest_agent</SsoMethod><IsSmartcardEnabled>false</IsSmartcardEnabled><NumOfIoThreads>1</NumOfIoThreads><TimeZone>Etc/GMT</TimeZone><default_boot_sequence>0</default_boot_sequence><Generation>23</Generation><ClusterCompatibilityVersion>4.3</ClusterCompatibilityVersion><VmType>1</VmType><ResumeBehavior>AUTO_RESUME</ResumeBehavior><MinAllocatedMem>2048</MinAllocatedMem><IsStateless>false</IsStateless><IsRunAndPause>false</IsRunAndPause><AutoStartup>false</AutoStartup><Priority>1</Priority><CreatedByUserId>6837c4ea-c992-11e9-8447-00163e366972</CreatedByUserId><MigrationSupport>0</MigrationSupport><IsBootMenuEnabled>false</IsBootMenuEnabled><IsSpiceFileTransferEnabled>true</IsSpiceFileTransferEnabled><IsSpiceCopyPasteEnabled>true</IsSpiceCopyPasteEnabled><AllowConsoleReconnect>true</AllowConsoleReconnect><ConsoleDisconnectAction>LOCK_SCREEN</ConsoleDisconnectAction><CustomEmulatedMachine>q35</CustomEmulatedMachine><BiosType>1</BiosType><CustomCpuName></CustomCpuName><PredefinedProperties></PredefinedProperties><UserDefinedProperties></UserDefinedProperties><MaxMemorySizeMb>16384</MaxMemorySizeMb><MultiQueuesEnabled>true</MultiQueuesEnabled><UseHostCpu>false</UseHostCpu><TemplateId>00000000-0000-0000-0000-000000000000</TemplateId><IsInitilized>true</IsInitilized><Origin>3</Origin><quota_id>5124bd6c-c992-11e9-9da4-00163e366972</quota_id><DefaultDisplayType>1</DefaultDisplayType><TrustedService>false</TrustedService><OriginalTemplateId>00000000-0000-0000-0000-000000000000</OriginalTemplateId><OriginalTemplateName>Blank</OriginalTemplateName><UseLatestVersion>false</UseLatestVersion><StopTime>2020/07/29 15:48:38</StopTime><CpuPinning></CpuPinning><OperatingSystemSection ovf:id="80" ovirt:id="33" ovf:required="false"><Info>Guest Operating System</Info><Description>Other Linux (kernel 4.x)</Description></OperatingSystemSection><VirtualHardwareSection><Info>2 CPU, 4096 Memory</Info><System><vssd:VirtualSystemType>ENGINE 4.1.0.0</vssd:VirtualSystemType></System><Item><rasd:Caption>2 virtual cpu</rasd:Caption><rasd:Description>Number of virtual CPU</rasd:Description><rasd:InstanceId>1</rasd:InstanceId><rasd:ResourceType>3</rasd:ResourceType><rasd:num_of_sockets>1</rasd:num_of_sockets><rasd:cpu_per_socket>2</rasd:cpu_per_socket><rasd:threads_per_cpu>1</rasd:threads_per_cpu><rasd:max_num_of_vcpus>32</rasd:max_num_of_vcpus><rasd:VirtualQuantity>2</rasd:VirtualQuantity></Item><Item><rasd:Caption>4096 MB of memory</rasd:Caption><rasd:Description>Memory Size</rasd:Description><rasd:InstanceId>2</rasd:InstanceId><rasd:ResourceType>4</rasd:ResourceType><rasd:AllocationUnits>MegaBytes</rasd:AllocationUnits><rasd:VirtualQuantity>4096</rasd:VirtualQuantity></Item><Item><rasd:Caption>tdc.mtk.hoberg.net_Disk1</rasd:Caption><rasd:InstanceId>845cdd93-def8-4d84-9a08-f8c991f89fe3</rasd:InstanceId><rasd:ResourceType>17</rasd:ResourceType><rasd:HostResource>ovf:/disk/3be7c1bb-377c-4d5e-b4f6-1a6574b8a52b</rasd:HostResource><rasd:Parent>00000000-0000-0000-0000-000000000000</rasd:Parent><rasd:Template>00000000-0000-0000-0000-000000000000</rasd:Template><rasd:ApplicationList></rasd:ApplicationList><rasd:StorageId>4d9773bb-7dff-4afe-9c71-b34c0980f974</rasd:StorageId><rasd:StoragePoolId>47e2ca82-c992-11e9-8112-00163e366972</rasd:StoragePoolId><rasd:CreationDate>2020/03/10 15:17:52</rasd:CreationDate><rasd:LastModified>2020/07/29 15:54:13</rasd:LastModified><rasd:last_modified_date>2020/07/29 15:54:33</rasd:last_modified_date><Type>disk</Type><Device>disk</Device><rasd:Address>{type=drive, bus=0, controller=0, target=0, unit=0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>ua-3be7c1bb-377c-4d5e-b4f6-1a6574b8a52b</Alias></Item><Item><rasd:Caption>Ethernet adapter on ovirtmgmt</rasd:Caption><rasd:InstanceId>a08885b0-8786-4cd2-bce1-a90a5ea689f1</rasd:InstanceId><rasd:ResourceType>10</rasd:ResourceType><rasd:OtherResourceType>ovirtmgmt</rasd:OtherResourceType><rasd:ResourceSubType>3</rasd:ResourceSubType><rasd:Connection>ovirtmgmt</rasd:Connection><rasd:Linked>true</rasd:Linked><rasd:Name>nic1</rasd:Name><rasd:ElementName>nic1</rasd:ElementName><rasd:MACAddress>56:6f:53:d8:00:00</rasd:MACAddress><rasd:speed>10000</rasd:speed><Type>interface</Type><Device>bridge</Device><rasd:Address>{type=pci, slot=0x00, bus=0x01, domain=0x0000, function=0x0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>ua-a08885b0-8786-4cd2-bce1-a90a5ea689f1</Alias></Item><Item><rasd:Caption>USB Controller</rasd:Caption><rasd:InstanceId>3</rasd:InstanceId><rasd:ResourceType>23</rasd:ResourceType><rasd:UsbPolicy>DISABLED</rasd:UsbPolicy></Item><Item><rasd:Caption>Graphical Controller</rasd:Caption><rasd:InstanceId>16b9c48e-40a9-4e2a-a313-45ca50c0fd26</rasd:InstanceId><rasd:ResourceType>32768</rasd:ResourceType><rasd:VirtualQuantity>1</rasd:VirtualQuantity><rasd:SinglePciQxl>false</rasd:SinglePciQxl><Type>video</Type><Device>qxl</Device><rasd:Address>{type=pci, slot=0x01, bus=0x00, domain=0x0000, function=0x0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>ua-16b9c48e-40a9-4e2a-a313-45ca50c0fd26</Alias><SpecParams><vgamem>16384</vgamem><heads>1</heads><vram>32768</vram><ram>65536</ram></SpecParams></Item><Item><rasd:Caption>Graphical Framebuffer</rasd:Caption><rasd:InstanceId>378ecb09-ad29-4043-bb91-7fbe500dd250</rasd:InstanceId><rasd:ResourceType>24</rasd:ResourceType><Type>graphics</Type><Device>vnc</Device><rasd:Address></rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias></Alias></Item><Item><rasd:Caption>Graphical Framebuffer</rasd:Caption><rasd:InstanceId>73f6e74d-3270-4b48-83ed-664145a17301</rasd:InstanceId><rasd:ResourceType>24</rasd:ResourceType><Type>graphics</Type><Device>spice</Device><rasd:Address></rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias></Alias></Item><Item><rasd:Caption>CDROM</rasd:Caption><rasd:InstanceId>245ba57e-6c0f-4687-9d13-b0399f19c0d8</rasd:InstanceId><rasd:ResourceType>15</rasd:ResourceType><Type>disk</Type><Device>cdrom</Device><rasd:Address>{type=drive, bus=0, controller=0, target=0, unit=2}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>true</IsReadOnly><Alias>ua-245ba57e-6c0f-4687-9d13-b0399f19c0d8</Alias><SpecParams><path></path></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>1ea3ae5f-84dd-4108-997f-1976860e1ef3</rasd:InstanceId><Type>controller</Type><Device>sata</Device><rasd:Address>{type=pci, slot=0x1f, bus=0x00, domain=0x0000, function=0x2}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>ide</Alias><SpecParams><index>0</index></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>20fece98-b8c0-482d-8ade-35233dd06e1f</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x3}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.12</Alias><SpecParams><index>12</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>96867913-31bd-4aa5-a65a-d518ce24e697</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x6}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.15</Alias><SpecParams><index>15</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>a05f1ec9-fe91-45f4-86ac-fced05b0e368</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x0, multifunction=on}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.1</Alias><SpecParams><index>1</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>a4df11c1-3400-4b76-bbcc-6c427b639630</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x1}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.2</Alias><SpecParams><index>2</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>abc74817-6470-44e0-88b2-ed9cc40e85e1</rasd:InstanceId><Type>channel</Type><Device>unix</Device><rasd:Address>{type=virtio-serial, bus=0, controller=0, port=2}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>channel1</Alias></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>c0aa8fdc-0949-4b36-b7e0-62b183f1a634</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x2}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.3</Alias><SpecParams><index>3</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>c26e637e-75ee-4417-806e-2d2f46d13eb6</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x7}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.8</Alias><SpecParams><index>8</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>e20ecc0b-f1bb-42c1-a7e2-ccee53eb7783</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x5}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.6</Alias><SpecParams><index>6</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>f6831e66-7afb-49b2-b9e1-28f29dd2f33d</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x7}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.16</Alias><SpecParams><index>16</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>fb2534c0-e03b-492a-9511-ac150e85b3c2</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x0, multifunction=on}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.9</Alias><SpecParams><index>9</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>439ed074-a196-4e93-ab86-b629b0d7d536</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x3}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.4</Alias><SpecParams><index>4</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>4e492a7c-25aa-42b3-becd-f4ba6771a091</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x6}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.7</Alias><SpecParams><index>7</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>55af5d65-8f55-44af-b3aa-349d16e0c307</rasd:InstanceId><Type>channel</Type><Device>unix</Device><rasd:Address>{type=virtio-serial, bus=0, controller=0, port=1}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>channel0</Alias></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>fce054f1-d6cd-4fe3-8bcd-1e63ff00a1e2</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x5}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.14</Alias><SpecParams><index>14</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>05bf0431-a61d-45da-8fe8-8e9316795eb0</rasd:InstanceId><Type>channel</Type><Device>spicevmc</Device><rasd:Address>{type=virtio-serial, bus=0, controller=0, port=3}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>channel2</Alias></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>0ec9e992-4e1f-4c71-9fec-1d79d51fda43</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x4}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.13</Alias><SpecParams><index>13</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>152e73ab-f885-4457-9d6b-8b660053314d</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x2}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.11</Alias><SpecParams><index>11</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>6bd5a376-3c70-4838-9a59-890288468407</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x02, bus=0x00, domain=0x0000, function=0x4}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.5</Alias><SpecParams><index>5</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>75d5ade6-75ed-4d21-8744-1c6ea169fa6c</rasd:InstanceId><Type>controller</Type><Device>pci</Device><rasd:Address>{type=pci, slot=0x03, bus=0x00, domain=0x0000, function=0x1}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>pci.10</Alias><SpecParams><index>10</index><model>pcie-root-port</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>711e1d19-8853-4415-bbd4-167452b98139</rasd:InstanceId><Type>controller</Type><Device>usb</Device><rasd:Address>{type=pci, slot=0x00, bus=0x04, domain=0x0000, function=0x0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>usb</Alias><SpecParams><index>0</index><model>qemu-xhci</model></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>137da954-c1ad-4a84-baba-94a5a01fbfc2</rasd:InstanceId><Type>controller</Type><Device>virtio-scsi</Device><rasd:Address>{type=pci, slot=0x00, bus=0x02, domain=0x0000, function=0x0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>ua-137da954-c1ad-4a84-baba-94a5a01fbfc2</Alias><SpecParams><ioThreadId></ioThreadId></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>1f785cd5-2766-4131-94d8-3c20b48d03b4</rasd:InstanceId><Type>rng</Type><Device>virtio</Device><rasd:Address>{type=pci, slot=0x00, bus=0x06, domain=0x0000, function=0x0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>ua-1f785cd5-2766-4131-94d8-3c20b48d03b4</Alias><SpecParams><source>urandom</source></SpecParams></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>4ccc9033-f5ed-4b2e-a20e-2f9154b082dd</rasd:InstanceId><Type>controller</Type><Device>virtio-serial</Device><rasd:Address>{type=pci, slot=0x00, bus=0x03, domain=0x0000, function=0x0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>false</IsReadOnly><Alias>ua-4ccc9033-f5ed-4b2e-a20e-2f9154b082dd</Alias></Item><Item><rasd:ResourceType>0</rasd:ResourceType><rasd:InstanceId>6e6556ba-f226-4a2c-b96b-ac26c4d92e2f</rasd:InstanceId><Type>balloon</Type><Device>memballoon</Device><rasd:Address>{type=pci, slot=0x00, bus=0x05, domain=0x0000, function=0x0}</rasd:Address><BootOrder>0</BootOrder><IsPlugged>true</IsPlugged><IsReadOnly>true</IsReadOnly><Alias>ua-6e6556ba-f226-4a2c-b96b-ac26c4d92e2f</Alias><SpecParams><model>virtio</model></SpecParams></Item></VirtualHardwareSection></VirtualSystem></ovf:Envelope> 845cdd93-def8-4d84-9a08-f8c991f89fe3 0000644 0000000 0000000 13710315711 013724 ustar 0000000 0000000 [root@petitcent ova]#
From the discussion in users: https://lists.ovirt.org/archives/list/users@ovirt.org/message/IIPDJBUAOEEROUMERVKJISVPAMUHZZVW/ Environment with oVirt 4.3.10. I have a CentOS 8 VM with a 20Gb preallocated disk (and inside the VM 4Gb actually used). I shutdown the VM and then export as OVA. The process completes, apparently successfully, and on the engine in /var/log/ovirt-engine/ova 3 files are created (ov301 is the host chosen for the export): ovirt-export-ova-validate-ansible-20200801011543-ov301.mydomain-bc243185-2c3b-4f22-ac8c-8a59ecab5610.log ovirt-image-measure-ansible-20200801011608-ov301.mydomain-476aff3d.log ovirt-export-ova-ansible-20200801011610-ov301.mydomain-476aff3d.log and as described inside the bug I referred I see in the third file: " converting disk: /rhev/data-center/mnt/blockSD/fa33df49-b09d-4f86-9719-ede649542c21/images/ff10a405- cc61-4d00-a83f-3ee04b19f381/146d7e09-a6df-41d1-9a88-fb5c0174b099, offset 13312 qemu-img: /dev/loop0: error while converting qcow2: Could not open device: Permission denied STDERR: Shared connection to ov301 closed. " Looks like qemu-img is not running as root, or /dev/loop0 was not changed to allow access to the user running qemu-img.
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Looks like a duplicate of 1813028 reported by nijin ashok in March.
Yes this is a duplicate. *** This bug has been marked as a duplicate of bug 1813028 ***