I really wish these bugs would get more attention. I struggle to understand why this isn't a priority given the performance increase's people are reporting when switching to libgfapi. No snapshots is a deal breaker for me unfortunately.

On Wed, Feb 12, 2020 at 12:01 PM Darrell Budic <budic@onholyground.com> wrote:
Yes. I’m using libgfapi access on gluster 6.7 with overt 4.3.8 just fine, but I don’t use snapshots. You can work around the HA issue with DNS and backup server entries on the storage domain as well. Worth it to me for the performance, YMMV.

On Feb 12, 2020, at 8:04 AM, Jayme <jaymef@gmail.com> wrote:

From my understanding it's not a default option but many users are still using libgfapi successfully. I'm not sure about its status in the latest 4.3.8 release but I know it is/was working for people in previous versions. The libgfapi bugs affect HA and snapshots (on 3 way replica HCI) but it should still be working otherwise, unless like I said something changed in more recent releases of oVirt.

On Wed, Feb 12, 2020 at 9:43 AM Guillaume Pavese <guillaume.pavese@interactiv-group.com> wrote:
Libgfapi is not supported because of an old bug in qemu. That qemu bug is slowly getting fixed, but the bugs about Libgfapi support in ovirt have since been closed as WONTFIX and DEFERRED

See :
https://bugzilla.redhat.com/show_bug.cgi?id=1484660 : "No plans to enable libgfapi in RHHI-V for now. Closing this bug"
https://bugzilla.redhat.com/show_bug.cgi?id=1484227 : "No plans to enable libgfapi in RHHI-V for now. Closing this bug"
https://bugzilla.redhat.com/show_bug.cgi?id=1633642 : "Closing this as no action taken from long back.Please reopen if required."

Would be nice if someone could reopen the closed bugs so this feature doesn't get forgotten

Guillaume Pavese
Ingénieur Système et Réseau
Interactiv-Group


On Tue, Feb 11, 2020 at 9:58 AM Stephen Panicho <s.panicho@gmail.com> wrote:
I used the cockpit-based hc setup and "option rpc-auth-allow-insecure" is absent from /etc/glusterfs/glusterd.vol.

I'm going to redo the cluster this week and report back. Thanks for the tip!

On Mon, Feb 10, 2020 at 6:01 PM Darrell Budic <budic@onholyground.com> wrote:
The hosts will still mount the volume via FUSE, but you might double check you set the storage up as Gluster and not NFS.

Then gluster used to need some config in glusterd.vol to set 

    option rpc-auth-allow-insecure on

I’m not sure if that got added to a hyper converged setup or not, but I’d check it.

On Feb 10, 2020, at 4:41 PM, Stephen Panicho <s.panicho@gmail.com> wrote:

No, this was a relatively new cluster-- only a couple days old. Just a handful of VMs including the engine.

On Mon, Feb 10, 2020 at 5:26 PM Jayme <jaymef@gmail.com> wrote:
Curious do the vms have active snapshots?

On Mon, Feb 10, 2020 at 5:59 PM <s.panicho@gmail.com> wrote:
Hello, all. I have a 3-node Hyperconverged oVirt 4.3.8 cluster running on CentOS 7.7 hosts. I was investigating poor Gluster performance and heard about libgfapi, so I thought I'd give it a shot. Looking through the documentation, followed by lots of threads and BZ reports, I've done the following to enable it:

First, I shut down all VMs except the engine. Then...

On the hosts:
1. setsebool -P virt_use_glusterfs on
2. dynamic_ownership=0 in /etc/libvirt/qemu.conf

On the engine VM:
1. engine-config -s LibgfApiSupported=true --cver=4.3
2. systemctl restart ovirt-engine

VMs now fail to launch. Am I doing this correctly? I should also note that the hosts still have the Gluster domain mounted via FUSE.

Here's a relevant bit from engine.log:

2020-02-06T16:38:32.573511Z qemu-kvm: -drive file=gluster://node1.fs.trashnet.xyz:24007/vmstore/781717e5-1cff-43a1-b586-9941503544e8/images/a1d56b14-6d72-4f46-a0aa-eb0870c36bc4/a2314816-7970-49ce-a80c-ab0d1cf17c78,file.debug=4,format=qcow2,if=none,id=drive-ua-a1d56b14-6d72-4f46-a0aa-eb0870c36bc4,serial=a1d56b14-6d72-4f46-a0aa-eb0870c36bc4,werror=stop,rerror=stop,cache=none,discard=unmap,aio=native: Could not read qcow2 header: Invalid argument.

The full engine.log from one of the attempts:

2020-02-06 16:38:24,909Z INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-12) [] add VM 'df9dbac4-35c0-40ee-acd4-a1cfc959aa8b'(yumcache) to rerun treatment
2020-02-06 16:38:25,010Z ERROR [org.ovirt.engine.core.vdsbroker.monitoring.VmsMonitoring] (ForkJoinPool-1-worker-12) [] Rerun VM 'df9dbac4-35c0-40ee-acd4-a1cfc959aa8b'. Called from VDS 'node2.ovirt.trashnet.xyz'
2020-02-06 16:38:25,091Z WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engine-Thread-216) [] EVENT_ID: USER_INITIATED_RUN_VM_FAILED(151), Failed to run VM yumcache on Host node2.ovirt.trashnet.xyz.
2020-02-06 16:38:25,166Z INFO  [org.ovirt.engine.core.bll.RunVmCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] Lock Acquired to object 'EngineLock:{exclusiveLocks='[df9dbac4-35c0-40ee-acd4-a1cfc959aa8b=VM]', sharedLocks=''}'
2020-02-06 16:38:25,179Z INFO  [org.ovirt.engine.core.vdsbroker.IsVmDuringInitiatingVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] START, IsVmDuringInitiatingVDSCommand( IsVmDuringInitiatingVDSCommandParameters:{vmId='df9dbac4-35c0-40ee-acd4-a1cfc959aa8b'}), log id: 2107f52a
2020-02-06 16:38:25,181Z INFO  [org.ovirt.engine.core.vdsbroker.IsVmDuringInitiatingVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] FINISH, IsVmDuringInitiatingVDSCommand, return: false, log id: 2107f52a
2020-02-06 16:38:25,298Z INFO  [org.ovirt.engine.core.bll.RunVmCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] Running command: RunVmCommand internal: false. Entities affected :  ID: df9dbac4-35c0-40ee-acd4-a1cfc959aa8b Type: VMAction group RUN_VM with role type USER
2020-02-06 16:38:25,313Z INFO  [org.ovirt.engine.core.bll.utils.EmulatedMachineUtils] (EE-ManagedThreadFactory-engine-Thread-216) [] Emulated machine 'pc-q35-rhel7.6.0' which is different than that of the cluster is set for 'yumcache'(df9dbac4-35c0-40ee-acd4-a1cfc959aa8b)
2020-02-06 16:38:25,382Z INFO  [org.ovirt.engine.core.vdsbroker.UpdateVmDynamicDataVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] START, UpdateVmDynamicDataVDSCommand( UpdateVmDynamicDataVDSCommandParameters:{hostId='null', vmId='df9dbac4-35c0-40ee-acd4-a1cfc959aa8b', vmDynamic='org.ovirt.engine.core.common.businessentities.VmDynamic@9774a64'}), log id: 4a83911f
2020-02-06 16:38:25,417Z INFO  [org.ovirt.engine.core.vdsbroker.UpdateVmDynamicDataVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] FINISH, UpdateVmDynamicDataVDSCommand, return: , log id: 4a83911f
2020-02-06 16:38:25,418Z INFO  [org.ovirt.engine.core.vdsbroker.CreateVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] START, CreateVDSCommand( CreateVDSCommandParameters:{hostId='c3465ca2-395e-4c0c-b72e-b5b7153df452', vmId='df9dbac4-35c0-40ee-acd4-a1cfc959aa8b', vm='VM [yumcache]'}), log id: 5e07ba66
2020-02-06 16:38:25,420Z INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateBrokerVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] START, CreateBrokerVDSCommand(HostName = node1.ovirt.trashnet.xyz, CreateVDSCommandParameters:{hostId='c3465ca2-395e-4c0c-b72e-b5b7153df452', vmId='df9dbac4-35c0-40ee-acd4-a1cfc959aa8b', vm='VM [yumcache]'}), log id: 1bfa03c4
2020-02-06 16:38:25,424Z INFO  [org.ovirt.engine.core.vdsbroker.builder.vminfo.VmInfoBuildUtils] (EE-ManagedThreadFactory-engine-Thread-216) [] Kernel FIPS - Guid: c3465ca2-395e-4c0c-b72e-b5b7153df452 fips: false
2020-02-06 16:38:25,435Z INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateBrokerVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] VM <?xml version="1.0" encoding="UTF-8"?><domain type="kvm" xmlns:ovirt-tune="http://ovirt.org/vm/tune/1.0" xmlns:ovirt-vm="http://ovirt.org/vm/1.0">
  <name>yumcache</name>
  <uuid>df9dbac4-35c0-40ee-acd4-a1cfc959aa8b</uuid>
  <memory>1048576</memory>
  <currentMemory>1048576</currentMemory>
  <iothreads>1</iothreads>
  <maxMemory slots="16">4194304</maxMemory>
  <vcpu current="1">16</vcpu>
  <sysinfo type="smbios">
    <system>
      <entry name="manufacturer">oVirt</entry>
      <entry name="product">OS-NAME:</entry>
      <entry name="version">OS-VERSION:</entry>
      <entry name="serial">HOST-SERIAL:</entry>
      <entry name="uuid">df9dbac4-35c0-40ee-acd4-a1cfc959aa8b</entry>
    </system>
  </sysinfo>
  <clock offset="variable" adjustment="0">
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="pit" tickpolicy="delay"/>
    <timer name="hpet" present="no"/>
  </clock>
  <features>
    <acpi/>
  </features>
  <cpu match="exact">
    <model>EPYC</model>
    <feature name="ibpb" policy="require"/>
    <feature name="virt-ssbd" policy="require"/>
    <topology cores="1" threads="1" sockets="16"/>
    <numa>
      <cell id="0" cpus="0" memory="1048576"/>
    </numa>
  </cpu>
  <cputune/>
  <devices>
    <input type="tablet" bus="usb"/>
    <channel type="unix">
      <target type="virtio" name="ovirt-guest-agent.0"/>
      <source mode="bind" path="/var/lib/libvirt/qemu/channels/df9dbac4-35c0-40ee-acd4-a1cfc959aa8b.ovirt-guest-agent.0"/>
    </channel>
    <channel type="unix">
      <target type="virtio" name="org.qemu.guest_agent.0"/>
      <source mode="bind" path="/var/lib/libvirt/qemu/channels/df9dbac4-35c0-40ee-acd4-a1cfc959aa8b.org.qemu.guest_agent.0"/>
    </channel>
    <controller type="pci" model="pcie-root-port" index="1">
      <address bus="0x00" domain="0x0000" function="0x0" slot="0x02" type="pci" multifunction="on"/>
    </controller>
    <memballoon model="virtio">
      <stats period="5"/>
      <alias name="ua-27c77007-3a3c-4431-958d-90fd1c7257dd"/>
      <address bus="0x05" domain="0x0000" function="0x0" slot="0x00" type="pci"/>
    </memballoon>
    <controller type="pci" model="pcie-root-port" index="2">
      <address bus="0x00" domain="0x0000" function="0x1" slot="0x02" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="9">
      <address bus="0x00" domain="0x0000" function="0x0" slot="0x03" type="pci" multifunction="on"/>
    </controller>
    <controller type="sata" index="0">
      <address bus="0x00" domain="0x0000" function="0x2" slot="0x1f" type="pci"/>
    </controller>
    <rng model="virtio">
      <backend model="random">/dev/urandom</backend>
      <alias name="ua-51960005-6b95-47e9-82a7-67d5e0d6cf8a"/>
    </rng>
    <controller type="pci" model="pcie-root-port" index="6">
      <address bus="0x00" domain="0x0000" function="0x5" slot="0x02" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="15">
      <address bus="0x00" domain="0x0000" function="0x6" slot="0x03" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="13">
      <address bus="0x00" domain="0x0000" function="0x4" slot="0x03" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="7">
      <address bus="0x00" domain="0x0000" function="0x6" slot="0x02" type="pci"/>
    </controller>
    <graphics type="vnc" port="-1" autoport="yes" passwd="*****" passwdValidTo="1970-01-01T00:00:01" keymap="en-us">
      <listen type="network" network="vdsm-ovirtmgmt"/>
    </graphics>
    <controller type="pci" model="pcie-root-port" index="16">
      <address bus="0x00" domain="0x0000" function="0x7" slot="0x03" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="12">
      <address bus="0x00" domain="0x0000" function="0x3" slot="0x03" type="pci"/>
    </controller>
    <video>
      <model type="qxl" vram="32768" heads="1" ram="65536" vgamem="16384"/>
      <alias name="ua-8a295e96-40c3-44de-a3b0-1c4a685a5473"/>
      <address bus="0x00" domain="0x0000" function="0x0" slot="0x01" type="pci"/>
    </video>
    <graphics type="spice" port="-1" autoport="yes" passwd="*****" passwdValidTo="1970-01-01T00:00:01" tlsPort="-1">
      <channel name="main" mode="secure"/>
      <channel name="inputs" mode="secure"/>
      <channel name="cursor" mode="secure"/>
      <channel name="playback" mode="secure"/>
      <channel name="record" mode="secure"/>
      <channel name="display" mode="secure"/>
      <channel name="smartcard" mode="secure"/>
      <channel name="usbredir" mode="secure"/>
      <listen type="network" network="vdsm-ovirtmgmt"/>
    </graphics>
    <controller type="pci" model="pcie-root-port" index="5">
      <address bus="0x00" domain="0x0000" function="0x4" slot="0x02" type="pci"/>
    </controller>
    <controller type="usb" model="qemu-xhci" index="0" ports="8">
      <address bus="0x02" domain="0x0000" function="0x0" slot="0x00" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="4">
      <address bus="0x00" domain="0x0000" function="0x3" slot="0x02" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="3">
      <address bus="0x00" domain="0x0000" function="0x2" slot="0x02" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="11">
      <address bus="0x00" domain="0x0000" function="0x2" slot="0x03" type="pci"/>
    </controller>
    <controller type="scsi" model="virtio-scsi" index="0">
      <driver iothread="1"/>
      <alias name="ua-d0bf6fcd-7aa2-4658-b7cc-3dac259b7ad2"/>
      <address bus="0x03" domain="0x0000" function="0x0" slot="0x00" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="8">
      <address bus="0x00" domain="0x0000" function="0x7" slot="0x02" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="14">
      <address bus="0x00" domain="0x0000" function="0x5" slot="0x03" type="pci"/>
    </controller>
    <controller type="pci" model="pcie-root-port" index="10">
      <address bus="0x00" domain="0x0000" function="0x1" slot="0x03" type="pci"/>
    </controller>
    <controller type="virtio-serial" index="0" ports="16">
      <address bus="0x04" domain="0x0000" function="0x0" slot="0x00" type="pci"/>
    </controller>
    <channel type="spicevmc">
      <target type="virtio" name="com.redhat.spice.0"/>
    </channel>
    <controller type="pci" model="pcie-root"/>
    <interface type="bridge">
      <model type="virtio"/>
      <link state="up"/>
      <source bridge="vmnet"/>
      <alias name="ua-ceda0ef6-9139-4e5c-8840-86fe344ecbd3"/>
      <address bus="0x01" domain="0x0000" function="0x0" slot="0x00" type="pci"/>
      <mac address="56:6f:91:b9:00:05"/>
      <mtu size="1500"/>
      <filterref filter="vdsm-no-mac-spoofing"/>
      <bandwidth/>
    </interface>
    <disk type="file" device="cdrom" snapshot="no">
      <driver name="qemu" type="raw" error_policy="report"/>
      <source file="" startupPolicy="optional">
        <seclabel model="dac" type="none" relabel="no"/>
      </source>
      <target dev="sdc" bus="sata"/>
      <readonly/>
      <alias name="ua-bdf99844-2d02-411b-90bb-671ee26764cb"/>
      <address bus="0" controller="0" unit="2" type="drive" target="0"/>
    </disk>
    <disk snapshot="no" type="network" device="disk">
      <target dev="sda" bus="scsi"/>
      <source protocol="gluster" name="vmstore/781717e5-1cff-43a1-b586-9941503544e8/images/a1d56b14-6d72-4f46-a0aa-eb0870c36bc4/a2314816-7970-49ce-a80c-ab0d1cf17c78">
        <host name="node1.fs.trashnet.xyz" port="0"/>
        <seclabel model="dac" type="none" relabel="no"/>
      </source>
      <driver name="qemu" discard="unmap" io="native" type="qcow2" error_policy="stop" cache="none"/>
      <alias name="ua-a1d56b14-6d72-4f46-a0aa-eb0870c36bc4"/>
      <address bus="0" controller="0" unit="0" type="drive" target="0"/>
      <boot order="1"/>
      <serial>a1d56b14-6d72-4f46-a0aa-eb0870c36bc4</serial>
    </disk>
    <lease>
      <key>df9dbac4-35c0-40ee-acd4-a1cfc959aa8b</key>
      <lockspace>781717e5-1cff-43a1-b586-9941503544e8</lockspace>
      <target offset="6291456" path="/rhev/data-center/mnt/glusterSD/node1.fs.trashnet.xyz:_vmstore/781717e5-1cff-43a1-b586-9941503544e8/dom_md/xleases"/>
    </lease>
  </devices>
  <pm>
    <suspend-to-disk enabled="no"/>
    <suspend-to-mem enabled="no"/>
  </pm>
  <os>
    <type arch="x86_64" machine="pc-q35-rhel7.6.0">hvm</type>
    <smbios mode="sysinfo"/>
  </os>
  <metadata>
    <ovirt-tune:qos/>
    <ovirt-vm:vm>
      <ovirt-vm:minGuaranteedMemoryMb type="int">512</ovirt-vm:minGuaranteedMemoryMb>
      <ovirt-vm:clusterVersion>4.3</ovirt-vm:clusterVersion>
      <ovirt-vm:custom/>
      <ovirt-vm:device mac_address="56:6f:91:b9:00:05">
        <ovirt-vm:custom/>
      </ovirt-vm:device>
      <ovirt-vm:device devtype="disk" name="sda">
        <ovirt-vm:poolID>2ffaec76-462c-11ea-b155-00163e512202</ovirt-vm:poolID>
        <ovirt-vm:volumeID>a2314816-7970-49ce-a80c-ab0d1cf17c78</ovirt-vm:volumeID>
        <ovirt-vm:imageID>a1d56b14-6d72-4f46-a0aa-eb0870c36bc4</ovirt-vm:imageID>
        <ovirt-vm:domainID>781717e5-1cff-43a1-b586-9941503544e8</ovirt-vm:domainID>
      </ovirt-vm:device>
      <ovirt-vm:launchPaused>false</ovirt-vm:launchPaused>
      <ovirt-vm:resumeBehavior>kill</ovirt-vm:resumeBehavior>
    </ovirt-vm:vm>
  </metadata>
</domain>

2020-02-06 16:38:25,455Z INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateBrokerVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] FINISH, CreateBrokerVDSCommand, return: , log id: 1bfa03c4
2020-02-06 16:38:25,494Z INFO  [org.ovirt.engine.core.vdsbroker.CreateVDSCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] FINISH, CreateVDSCommand, return: WaitForLaunch, log id: 5e07ba66
2020-02-06 16:38:25,495Z INFO  [org.ovirt.engine.core.bll.RunVmCommand] (EE-ManagedThreadFactory-engine-Thread-216) [] Lock freed to object 'EngineLock:{exclusiveLocks='[df9dbac4-35c0-40ee-acd4-a1cfc959aa8b=VM]', sharedLocks=''}'
2020-02-06 16:38:25,533Z INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engine-Thread-216) [] EVENT_ID: USER_STARTED_VM(153), VM yumcache was started by admin@internal-authz (Host: node1.ovirt.trashnet.xyz).
2020-02-06 16:38:33,300Z INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-5) [] VM 'df9dbac4-35c0-40ee-acd4-a1cfc959aa8b' was reported as Down on VDS 'c3465ca2-395e-4c0c-b72e-b5b7153df452'(node1.ovirt.trashnet.xyz)
2020-02-06 16:38:33,301Z INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.DestroyVDSCommand] (ForkJoinPool-1-worker-5) [] START, DestroyVDSCommand(HostName = node1.ovirt.trashnet.xyz, DestroyVmVDSCommandParameters:{hostId='c3465ca2-395e-4c0c-b72e-b5b7153df452', vmId='df9dbac4-35c0-40ee-acd4-a1cfc959aa8b', secondsToWait='0', gracefully='false', reason='', ignoreNoVm='true'}), log id: 1f951ea9
2020-02-06 16:38:33,478Z INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmsStatisticsFetcher] (EE-ManagedThreadFactory-engineScheduled-Thread-8) [] Fetched 2 VMs from VDS 'c3465ca2-395e-4c0c-b72e-b5b7153df452'
2020-02-06 16:38:33,545Z INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.DestroyVDSCommand] (ForkJoinPool-1-worker-5) [] FINISH, DestroyVDSCommand, return: , log id: 1f951ea9
2020-02-06 16:38:33,546Z INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-5) [] VM 'df9dbac4-35c0-40ee-acd4-a1cfc959aa8b'(yumcache) moved from 'WaitForLaunch' --> 'Down'
2020-02-06 16:38:33,623Z ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-5) [] EVENT_ID: VM_DOWN_ERROR(119), VM yumcache is down with error. Exit message: internal error: qemu unexpectedly closed the monitor: [2020-02-06 16:38:31.723977] E [MSGID: 108006] [afr-common.c:5323:__afr_handle_child_down_event] 0-vmstore-replicate-0: All subvolumes are down. Going offline until at least one of them comes back up.
[2020-02-06 16:38:31.724765] I [io-stats.c:4027:fini] 0-vmstore: io-stats translator unloaded
2020-02-06T16:38:32.573511Z qemu-kvm: -drive file=gluster://node1.fs.trashnet.xyz:24007/vmstore/781717e5-1cff-43a1-b586-9941503544e8/images/a1d56b14-6d72-4f46-a0aa-eb0870c36bc4/a2314816-7970-49ce-a80c-ab0d1cf17c78,file.debug=4,format=qcow2,if=none,id=drive-ua-a1d56b14-6d72-4f46-a0aa-eb0870c36bc4,serial=a1d56b14-6d72-4f46-a0aa-eb0870c36bc4,werror=stop,rerror=stop,cache=none,discard=unmap,aio=native: Could not read qcow2 header: Invalid argument.
2020-02-06 16:38:33,624Z INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-5) [] add VM 'df9dbac4-35c0-40ee-acd4-a1cfc959aa8b'(yumcache) to rerun treatment
2020-02-06 16:38:33,796Z ERROR [org.ovirt.engine.core.vdsbroker.monitoring.VmsMonitoring] (ForkJoinPool-1-worker-5) [] Rerun VM 'df9dbac4-35c0-40ee-acd4-a1cfc959aa8b'. Called from VDS 'node1.ovirt.trashnet.xyz'
2020-02-06 16:38:33,899Z WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engine-Thread-223) [] EVENT_ID: USER_INITIATED_RUN_VM_FAILED(151), Failed to run VM yumcache on Host node1.ovirt.trashnet.xyz.
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