# SLES Virtualization

**URL:** https://forums.suse.com/c/suse-linux-enterprise-server-topics/sles-virtualization/45.md

[Latest](https://forums.suse.com/latest.md) · [Categories](https://forums.suse.com/categories.md)

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## [About the SLES Virtualization category](https://forums.suse.com/t/about-the-sles-virtualization-category/21515)

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**Author:** [@system](https://forums.suse.com/u/system)\
**Replies:** 0

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## [Best Practice for Patching SUSE KVM Cluster Nodes Without Impact](https://forums.suse.com/t/best-practice-for-patching-suse-kvm-cluster-nodes-without-impact/46158)

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**Author:** [@AbhishekReddy](https://forums.suse.com/u/AbhishekReddy)\
**Replies:** 2\
**Last updated:** [March 2, 2026, 7:05am UTC](https://forums.suse.com/t/best-practice-for-patching-suse-kvm-cluster-nodes-without-impact/46158 "2026-03-02T07:05:08Z")

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Hi Team, We have a 5-node SUSE KVM cluster, and we perform host patching by migrating guest VMs to other nodes and patching one host at a time. After patching one of the nodes, it was unable to rejoin the existing clus…

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## [TPM module enable for a Guest VM which is on SUSE KVM](https://forums.suse.com/t/tpm-module-enable-for-a-guest-vm-which-is-on-suse-kvm/46136)

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**Author:** [@AbhishekReddy](https://forums.suse.com/u/AbhishekReddy)\
**Replies:** 8\
**Last updated:** [February 12, 2026, 5:06am UTC](https://forums.suse.com/t/tpm-module-enable-for-a-guest-vm-which-is-on-suse-kvm/46136 "2026-02-12T05:06:35Z")

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Hello, We are using SUSE KVM as the virtualization layer, on top of which multiple guest VMs are deployed. Our KVM hosts are running on SLES 15 SP5, 15 SP6, and 15 SP7. For one of the guest VMs, we attempted to enable…

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## [Libvirtd does load automatically on sles15sp7](https://forums.suse.com/t/libvirtd-does-load-automatically-on-sles15sp7/45859)

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**Author:** [@JOSE\_CALIL](https://forums.suse.com/u/JOSE_CALIL)\
**Replies:** 12\
**Last updated:** [October 3, 2025, 4:38pm UTC](https://forums.suse.com/t/libvirtd-does-load-automatically-on-sles15sp7/45859 "2025-10-03T16:38:04Z")

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Although KVM is already installed libvirt and libvirt\_client are not loaded. I saw that they were not installed, so I did it and put it to load automatically with systemctl enable –now libvirtd.service, so I checked an …

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## [Network without uplink?](https://forums.suse.com/t/network-without-uplink/45775)

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**Author:** [@Rickard\_Andersson](https://forums.suse.com/u/Rickard_Andersson)\
**Replies:** 1\
**Last updated:** [July 31, 2025, 11:05am UTC](https://forums.suse.com/t/network-without-uplink/45775 "2025-07-31T11:05:05Z")

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In vmware I can create a virtual switch without uplink, effectively physically isolating all vm’s connected to that vSwitch (on that single node) I dont understand howto create something similar with Harvester basical…

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## [Suse kvm hosts setup](https://forums.suse.com/t/suse-kvm-hosts-setup/45344)

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**Author:** [@jgorospe](https://forums.suse.com/u/jgorospe)\
**Replies:** 0\
**Last updated:** [March 27, 2025, 4:54am UTC](https://forums.suse.com/t/suse-kvm-hosts-setup/45344 "2025-03-27T04:54:19Z")

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HI, Can anyone provide a method of procedure for setting up KVM hosts in SLES 15, clustering KVM hosts, and configuring shared storage? Thank you.

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## [Converting SLES VMs from VMWare to Hyper-V](https://forums.suse.com/t/converting-sles-vms-from-vmware-to-hyper-v/28186)

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**Author:** [@MATT](https://forums.suse.com/u/MATT)\
**Replies:** 7\
**Last updated:** [November 7, 2024, 7:02am UTC](https://forums.suse.com/t/converting-sles-vms-from-vmware-to-hyper-v/28186 "2024-11-07T07:02:15Z")

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Hello, I have a site in the process of converting from a VMWare 5.5 environment to a Microsoft 2012 R2 Hyper-V environment. We are using Microsoft Virtual Machine Converter 3.1 to handle the conversion. We have both S…

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## [Best practice running Windows 10 on XEN ?](https://forums.suse.com/t/best-practice-running-windows-10-on-xen/35088)

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**Author:** [@stelgenkamp](https://forums.suse.com/u/stelgenkamp)\
**Replies:** 7\
**Last updated:** [July 19, 2023, 3:28pm UTC](https://forums.suse.com/t/best-practice-running-windows-10-on-xen/35088 "2023-07-19T15:28:26Z")

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Is there a best practice for running a Windows 10 VM ? Have made a Windows 10 guest, but is extremly slow. Have downloaded VMDP 2.5, but after installing this, the machine will hang on rebooting from inside the vm.

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## [Docker error on OS SUSE Linux Enterprise Server 15 SP3](https://forums.suse.com/t/docker-error-on-os-suse-linux-enterprise-server-15-sp3/40369)

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**Author:** [@Aditi\_Dukle](https://forums.suse.com/u/Aditi_Dukle)\
**Replies:** 0\
**Last updated:** [March 28, 2023, 10:46am UTC](https://forums.suse.com/t/docker-error-on-os-suse-linux-enterprise-server-15-sp3/40369 "2023-03-28T10:46:07Z")

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We have installed docker version 20.10.23-ce on our OS SUSE Linux Enterprise Server 15 SP3, arch -x86\_64. And we are seeing the following issue intermittently when trying to cleanup all the docker containers using “docke…

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## [Novell-virtio-drivers-2.6.27-sle10sp3.iso tool for sles10sp2](https://forums.suse.com/t/novell-virtio-drivers-2-6-27-sle10sp3-iso-tool-for-sles10sp2/39285)

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**Author:** [@xemberg](https://forums.suse.com/u/xemberg)\
**Replies:** 0\
**Last updated:** [October 25, 2022, 7:19am UTC](https://forums.suse.com/t/novell-virtio-drivers-2-6-27-sle10sp3-iso-tool-for-sles10sp2/39285 "2022-10-25T07:19:33Z")

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I do not see SuSe mentioned anywhere about the Virtualization support/tools in SLES-10 SP2, the one I need. Is there a wat to install Novell-virtio-drivers for sles10sp2? I went ahead and tried to use this driver nove…

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## [SUSE Linux Enterprise Server 15 SP1 Physical to Virtual - what is the best solution](https://forums.suse.com/t/suse-linux-enterprise-server-15-sp1-physical-to-virtual-what-is-the-best-solution/38951)

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**Author:** [@myronkout](https://forums.suse.com/u/myronkout)\
**Replies:** 0\
**Last updated:** [September 13, 2022, 1:25pm UTC](https://forums.suse.com/t/suse-linux-enterprise-server-15-sp1-physical-to-virtual-what-is-the-best-solution/38951 "2022-09-13T13:25:40Z")

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Hi ! I want to make my pysical SUSE Linux Enterprise Server 15 SP1, to a Virtual. What is the best tool to do this ? Thank you !

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## [Cannot connect to xen with virt-manager after upgrade to SLES12 SP5](https://forums.suse.com/t/cannot-connect-to-xen-with-virt-manager-after-upgrade-to-sles12-sp5/38023)

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**Author:** [@Dan\_Sadaka](https://forums.suse.com/u/Dan_Sadaka)\
**Replies:** 0\
**Last updated:** [May 28, 2022, 6:16pm UTC](https://forums.suse.com/t/cannot-connect-to-xen-with-virt-manager-after-upgrade-to-sles12-sp5/38023 "2022-05-28T18:16:39Z")

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After upgrading my xen host from SLES 11 SP4 I can no longer connect to xen with virt-manager. When I start virt-manager I see Xen - Not Connected Whel I double-click on that message, virt-manager quits completely and …

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## [NIC PCI Throughput on SLES15 Xen](https://forums.suse.com/t/nic-pci-throughput-on-sles15-xen/35459)

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**Author:** [@stelgenkamp](https://forums.suse.com/u/stelgenkamp)\
**Replies:** 5\
**Last updated:** [April 29, 2021, 2:05pm UTC](https://forums.suse.com/t/nic-pci-throughput-on-sles15-xen/35459 "2021-04-29T14:05:01Z")

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To test speed on an Windows VM, I placed an extra NIC in the server (SLES15SP1) . As I have done in the past, with the main file server ( OES2018 ) I have also a NIC passthrough for that. I am doing a the PCI passtroug…

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## [SUSE Vm guest is in pause state](https://forums.suse.com/t/suse-vm-guest-is-in-pause-state/35500)

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**Author:** [@Subhendu](https://forums.suse.com/u/Subhendu)\
**Replies:** 0\
**Last updated:** [March 8, 2021, 9:26am UTC](https://forums.suse.com/t/suse-vm-guest-is-in-pause-state/35500 "2021-03-08T09:26:22Z")

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one of my VM is in pause state and i am not able to resume or reboot the VM . Kindly suggest some advice . bl460vm2:~ # virsh list --all Id Name State 2 BIPRD paused 3 SOLMAN-JAVA running 4 CRMQUA running 5 ECCQUA r…

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## [How to p2v a physical suse 12 sp3 to hyper v](https://forums.suse.com/t/how-to-p2v-a-physical-suse-12-sp3-to-hyper-v/35490)

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**Author:** [@AdyBot](https://forums.suse.com/u/AdyBot)\
**Replies:** 0\
**Last updated:** [February 23, 2021, 12:04pm UTC](https://forums.suse.com/t/how-to-p2v-a-physical-suse-12-sp3-to-hyper-v/35490 "2021-02-23T12:04:18Z")

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Afternoon All, I need to p2v a physical suse for hana server but struggling to find compatible products. Tried several backup products but most seem to struggle with disk level operations. Anyone got any suggestions or…

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## [If I purchase SLES with the unlimited VM license does that mean I can run SLES inside all the VMs?](https://forums.suse.com/t/if-i-purchase-sles-with-the-unlimited-vm-license-does-that-mean-i-can-run-sles-inside-all-the-vms/35419)

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**Author:** [@Cromulent](https://forums.suse.com/u/Cromulent)\
**Replies:** 0\
**Last updated:** [December 15, 2020, 12:35pm UTC](https://forums.suse.com/t/if-i-purchase-sles-with-the-unlimited-vm-license-does-that-mean-i-can-run-sles-inside-all-the-vms/35419 "2020-12-15T12:35:28Z")

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This is probably an idiotic question, but I’m a bit confused. I’m going to be purchasing a dual CPU server and want to get the unlimited virtual machines license for SLES. If I did do that, does that mean I’m allowed to …

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## [virt-install - Error validating install location: invalid literal for int() with base 10: 'for'](https://forums.suse.com/t/virt-install-error-validating-install-location-invalid-literal-for-int-with-base-10-for/35380)

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**Author:** [@ITSS](https://forums.suse.com/u/ITSS)\
**Replies:** 0\
**Last updated:** [November 18, 2020, 10:11am UTC](https://forums.suse.com/t/virt-install-error-validating-install-location-invalid-literal-for-int-with-base-10-for/35380 "2020-11-18T10:11:05Z")

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I’m using Suse Linux Enterprise Server 15 SP1 as Operating System, and trying to deploy VM using “virt-install” and getting this virt-install - Error validating install location: invalid literal for int() with base 10: ‘…

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## [NMI watchdog: BUG: soft lockup](https://forums.suse.com/t/nmi-watchdog-bug-soft-lockup/35278)

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**Author:** [@yuhuihu](https://forums.suse.com/u/yuhuihu)\
**Replies:** 0\
**Last updated:** [September 14, 2020, 3:19am UTC](https://forums.suse.com/t/nmi-watchdog-bug-soft-lockup/35278 "2020-09-14T03:19:25Z")

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I am facing an issue, which is NMI watchdog: BUG: soft lockup. The system hangs up and can not be reached via any terminal and ping command. The issue happens in a virtual machine. Host CPU information is below # lsc…

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## [podman and SLES15](https://forums.suse.com/t/podman-and-sles15/35134)

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**Author:** [@swadm](https://forums.suse.com/u/swadm)\
**Replies:** 3\
**Last updated:** [August 11, 2020, 12:45pm UTC](https://forums.suse.com/t/podman-and-sles15/35134 "2020-08-11T12:45:56Z")

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Just trying to get a rootless podman image to run on SLES 15 SP1. Happy to see that SLE-Module-Containers15-SP1-Updates provides podman 1.8.0-4.20.1 Learned that fuse3 package is required (otherwise “using mount progra…

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## [Maximum KVM size for SAP HANA](https://forums.suse.com/t/maximum-kvm-size-for-sap-hana/35062)

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**Author:** [@putapeter](https://forums.suse.com/u/putapeter)\
**Replies:** 1\
**Last updated:** [June 16, 2020, 3:01am UTC](https://forums.suse.com/t/maximum-kvm-size-for-sap-hana/35062 "2020-06-16T03:01:03Z")

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Is there a SUSE document that lists the maximum KVM size that we can create for SAP HANA DB?

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## [ERROR    Couldn't find hvm kernel for SUSE tree](https://forums.suse.com/t/error-couldnt-find-hvm-kernel-for-suse-tree/35020)

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**Author:** [@Arun696](https://forums.suse.com/u/Arun696)\
**Replies:** 1\
**Last updated:** [May 20, 2020, 1:02pm UTC](https://forums.suse.com/t/error-couldnt-find-hvm-kernel-for-suse-tree/35020 "2020-05-20T13:02:08Z")

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We are trying to install SUSE virtual machine using virt-install. Used the below command for installation. \_virt-install --network type=bridge,source=virbr0 --name Redhat --ram=4096 --vcpus=8 --disk path=/var/lib/libvi…

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## [Live migration and libvirt](https://forums.suse.com/t/live-migration-and-libvirt/34940)

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**Author:** [@pradhanparas1](https://forums.suse.com/u/pradhanparas1)\
**Replies:** 0\
**Last updated:** [April 10, 2020, 12:59am UTC](https://forums.suse.com/t/live-migration-and-libvirt/34940 "2020-04-10T00:59:26Z")

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Hi We have a two node cluster. The hosts run SLES 15.1 QU2 , Xen , Pacemaker , libvirt and DRBD. Each node has 2 interfaces. One is public and the other is private. Private is for DRBD. When I try to move the vm resour…

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## [New VM: Boot Loader didn't return any data!](https://forums.suse.com/t/new-vm-boot-loader-didnt-return-any-data/34711)

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**Author:** [@zexec4](https://forums.suse.com/u/zexec4)\
**Replies:** 2\
**Last updated:** [January 29, 2020, 7:46pm UTC](https://forums.suse.com/t/new-vm-boot-loader-didnt-return-any-data/34711 "2020-01-29T19:46:42Z")

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I have a single hardware server running SLES11SP4, with two VMs currently: one (vm1) for Novell OES, and a second (vm2) for GroupWise 2014. I did have a third VM for GroupWise Mobility Server but blew it away so that I c…

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## [SLES11 SP4 Xen Paravirtual VMs multipath problem](https://forums.suse.com/t/sles11-sp4-xen-paravirtual-vms-multipath-problem/34712)

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**Author:** [@andy\_s](https://forums.suse.com/u/andy_s)\
**Replies:** 0\
**Last updated:** [January 20, 2020, 10:16am UTC](https://forums.suse.com/t/sles11-sp4-xen-paravirtual-vms-multipath-problem/34712 "2020-01-20T10:16:31Z")

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I have SLES 11 SP4 Xen server with two paravirtualized VMs (PVMs) with SLE-10-x86\_64-SP3 and OES v.2.0.2. Multipath is configured for 2 LAN interfaces (different subnets) connected to LIO ISCSI target. multipath.conf i…

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## [Migrate PV to Xen Server](https://forums.suse.com/t/migrate-pv-to-xen-server/34685)

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**Author:** [@edersonweber](https://forums.suse.com/u/edersonweber)\
**Replies:** 2\
**Last updated:** [January 11, 2020, 8:21pm UTC](https://forums.suse.com/t/migrate-pv-to-xen-server/34685 "2020-01-11T20:21:50Z")

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hi, i need migrate my phisical server to xen server, and have a problem with the boot, stay only in “start running job”, in both hard virtual disks(swap and /), i check the fstab and grub2, reestruct all files and contin…

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## [Moving VM's from old to new server](https://forums.suse.com/t/moving-vms-from-old-to-new-server/34628)

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**Author:** [@John\_Gill](https://forums.suse.com/u/John_Gill)\
**Replies:** 3\
**Last updated:** [December 18, 2019, 2:21pm UTC](https://forums.suse.com/t/moving-vms-from-old-to-new-server/34628 "2019-12-18T14:21:24Z")

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Hi, I have an old SuSE12sp4 server running XEN virtualization with two VM’s (Novell GW-Mobility and GW-Webaccess)…all stock standard, nothing fancy. I now install SuSE12sp4 on some new hardware and config the machine f…

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## [unable to mount data partition 6TB](https://forums.suse.com/t/unable-to-mount-data-partition-6tb/34281)

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**Author:** [@ostrov](https://forums.suse.com/u/ostrov)\
**Replies:** 0\
**Last updated:** [August 12, 2019, 1:54pm UTC](https://forums.suse.com/t/unable-to-mount-data-partition-6tb/34281 "2019-08-12T13:54:49Z")

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Hello we using xen host sles12. After blackout crash we unable to see one data ext3 partition on vm. I see the device only without partition. I mounted data this partition on other server and fsck was clean. Filesyste…

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## [Change resolution & character set for console in XenCenter](https://forums.suse.com/t/change-resolution-character-set-for-console-in-xencenter/33989)

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**Author:** [@VargaPeter](https://forums.suse.com/u/VargaPeter)\
**Replies:** 1\
**Last updated:** [May 27, 2019, 7:30am UTC](https://forums.suse.com/t/change-resolution-character-set-for-console-in-xencenter/33989 "2019-05-27T07:30:18Z")

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The current resolution and character set for the SLES 12.4 VMs running under XenServer are not optimal. See the embedded screenshot. How can I change the resolution? Currently it is 24x80 characters. How to change the …

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## [How to license SLES running in a Oracle VM environment?](https://forums.suse.com/t/how-to-license-sles-running-in-a-oracle-vm-environment/33967)

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**Author:** [@hristo77](https://forums.suse.com/u/hristo77)\
**Replies:** 1\
**Last updated:** [May 22, 2019, 7:30am UTC](https://forums.suse.com/t/how-to-license-sles-running-in-a-oracle-vm-environment/33967 "2019-05-22T07:30:32Z")

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Hi, If we run SLES in our Oracle VM, do we have to license all cores on the physical server or only the cpus we allocate to the SLES server? Regards H

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## [VLAN Tagging KVM Virtual Switch Not Passing Traffic (Srched)](https://forums.suse.com/t/vlan-tagging-kvm-virtual-switch-not-passing-traffic-srched/33737)

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**Author:** [@sorgenfw](https://forums.suse.com/u/sorgenfw)\
**Replies:** 6\
**Last updated:** [April 15, 2019, 5:54pm UTC](https://forums.suse.com/t/vlan-tagging-kvm-virtual-switch-not-passing-traffic-srched/33737 "2019-04-15T17:54:23Z")

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Hello All, I searched and found a thread, however there were no responses. https://forums.suse.com/showthread.php?3769-KVM-Server-needs-to-be-TAGGED&highlight=kvm+virtual+switch Here is a synopsis of my issue: Networ…

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