I think these are the corresponding logs qcow2: Marking image as corrupt: Cluster allocation offset 0x7890c000 unaligned (L2 offset: 0x39e00000, L2 index: 0); further corruption events will be suppressed main_channel_link: add main channel client main_channel_client_handle_pong: net test: latency 12.959000 ms, bitrate 3117199391 bps (2972.792998 Mbps) inputs_connect: inputs channel client create red_qxl_set_cursor_peer: red_channel_client_disconnect: rcc=0x56405bdf69c0 (channel=0x56405ad7c940 type=3 id=0) red_channel_client_disconnect: rcc=0x56405e78cdd0 (channel=0x56405bb96900 type=4 id=0) red_channel_client_disconnect: rcc=0x56405e79c5b0 (channel=0x56405ad7c220 type=2 id=0) red_channel_client_disconnect: rcc=0x56405bdea9f0 (channel=0x56405ad7c150 type=1 id=0) main_channel_client_on_disconnect: rcc=0x56405bdea9f0 red_client_destroy: destroy client 0x56405c383110 with #channels=4 red_qxl_disconnect_cursor_peer: red_qxl_disconnect_display_peer: 2021-08-03T08:10:50.516974Z qemu-kvm: terminating on signal 15 from pid 6847 (<unknown process>) 2021-08-03 08:10:50.717+0000: shutting down, reason=destroyed 2021-08-03 11:02:57.502+0000: starting up libvirt version: 4.5.0, package: 33.el7_8.1 (CentOS BuildSystem <http://bugs.centos.org>, 2020-05-12-16:25:35, x86-01.bsys.centos.org), qemu version: 2.12.0qemu-kvm-ev-2.12.0-44.1.el7_8.1, kernel: 3.10.0-1127.8.2.el7.x86_64, hostname: ovirt3-5.vmmgmt-int.uoc.gr LC_ALL=C \ PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin \ QEMU_AUDIO_DRV=none \ /usr/libexec/qemu-kvm \ -name guest=anova.admin.uoc.gr,debug-threads=on \ -S \ -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-12-anova.admin.uoc.gr/master-key.aes \ -machine pc-i440fx-rhel7.6.0,accel=kvm,usb=off,dump-guest-core=off \ -cpu Westmere,vme=on,pclmuldq=on,x2apic=on,hypervisor=on,arat=on,hv_time,hv_relaxed,hv_vapic,hv_spinlocks=0x1fff,hv_synic,hv_stimer \ -m size=8388608k,slots=16,maxmem=33554432k \ -realtime mlock=off \ -smp 2,maxcpus=16,sockets=16,cores=1,threads=1 \ -object iothread,id=iothread1 \ -numa node,nodeid=0,cpus=0-1,mem=8192 \ -uuid 1c1d20ed-3167-4be7-bff3-29845142fc57 \ -smbios 'type=1,manufacturer=oVirt,product=oVirt Node,version=7-8.2003.0.el7.centos,serial=4c4c4544-0053-4b10-8059-cac04f475832,uuid=1c1d20ed-3167-4be7-bff3-29845142fc57' \ -no-user-config \ -nodefaults \ -chardev socket,id=charmonitor,fd=33,server,nowait \ -mon chardev=charmonitor,id=monitor,mode=control \ -rtc base=2021-08-03T12:02:56,driftfix=slew \ -global kvm-pit.lost_tick_policy=delay \ -no-hpet \ -no-shutdown \ -global PIIX4_PM.disable_s3=1 \ -global PIIX4_PM.disable_s4=1 \ -boot strict=on \ -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \ -device virtio-scsi-pci,iothread=iothread1,id=ua-90ae154d-56b8-499a-9173-c4cd225ba0c6,bus=pci.0,addr=0x7 \ -device virtio-serial-pci,id=ua-a8dc285c-6fa9-45b2-a4f9-c8862be71342,max_ports=16,bus=pci.0,addr=0x4 \ -drive file=/rhev/data-center/mnt/10.252.80.208:_home_isos/5b1a0f29-8f97-42c3-bea2-39f83bbfbf24/images/11111111-1111-1111-1111-111111111111/virtio-win-0.1.185.iso,format=raw,if=none,id=drive-ua-cfb42882-2eba-41b9-9999-43781eeff382,werror=report,rerror=report,readonly=on \ -device ide-cd,bus=ide.1,unit=0,drive=drive-ua-cfb42882-2eba-41b9-9999-43781eeff382,id=ua-cfb42882-2eba-41b9-9999-43781eeff382,bootindex=2 \ -drive file=/rhev/data-center/mnt/blockSD/a5a492a7-f770-4472-baa3-ac7297a581a9/images/2e6e3cd3-f0cb-47a7-8bda-7738bd7c1fb5/84c005da-cbec-4ace-8619-5a8e2ae5ea75,format=raw,if=none,id=drive-ua-2e6e3cd3-f0cb-47a7-8bda-7738bd7c1fb5,serial=2e6e3cd3-f0cb-47a7-8bda-7738bd7c1fb5,werror=stop,rerror=stop,cache=none,aio=native,throttling.bps-read=157286400,throttling.bps-write=73400320,throttling.iops-read=1200,throttling.iops-write=180 \