Kvm live migration. Experimental vGPU live migration support for KVM and XEN 2.
|
Kvm live migration A typical scenario is planned maintenance on the source host, but migration can also be useful to redistribute the load when many VM instances are running on a specific physical machine. userfaultfd) POSTCOPY RUN Start VM Request Page Copy Page … vCPU page fault POSTCOPY END Start migration End migration Actively Push Pages Jan 20, 2022 · [5] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. A common framework is added to the QEMU migration to support TD guests and other similar technologies (e. For TDX live migration, the guest shared memory pages are migrated in plaintexts. orghttps://www. [5] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. This requires 2 KVM host server and a storage server like follows. If a VMI uses the LiveMigrate eviction strategy, it automatically migrates when the node that the VMI runs on is placed into maintenance mode. 5 3. This can be a manual process, if you select virtual machine instance to migrate to another node, or an automatic process, if the virtual machine instance has a LiveMigrate eviction Aug 27, 2021 · [3] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. This trick should work. Using Vinchin allows you to migrate the VM via its backup so the impact to production environment is mitigated. SEV guests). All examples and documentation seem to require a live VM migration at the same time. 21. Though the performance is optimized through live migration, there are two important issues to be noted, reliability and security. A live guest migration can succeed only if both KVM hosts have access to equivalent resources. VM migration is a KVM Live Migration: Weather forecast Red Hat Juan Quintela May 29, 2013 Abstract In this talk we would describe the Live Migration improvements since last year, from how to move it to its own thread and the testing and tuning done to run guest with huge amounts of memory. Written documentation is available for most of If the network is experiencing heavy use or low bandwidth, the migration will take much longer. Executing the following Nov 25, 2021 · Linux KVM Live Migration for Tesla T4 Problem. linux-kvm. We are implementing live migration support in firmware. This is the main entry for QEMU migration documentations. Bạn có thể cấu hình dịch vụ DNS phân dải tên miền cho các 2 máy này. For example: NFS, ISCSI, Glusterfs, etc. 2. 0 1. 4. Feb 23, 2023 · KVM、Libvirt に関連するパッケージをインストールします。 Unsafe migration: Migration without shared storage is unsafe # virsh migrate --live Live migration is the process of moving a running virtual machine instance (VMI) to another node in the cluster without interrupting the virtual workload or access. In the Cockpit navigation pane, click Virtual machines . x Fully supported Nov 7, 2017 · Virtualization techniques effectively handle the growing demand for computing, storage, and communication resources in large-scale Cloud Data Centers (CDC). 5 2. The VM remains powered on, network connections remain active, and applications continue to run while the VM is relocated. •However, none of them works perfectly •We, Tencent cloud, are continually improving live migration on our productions •We introduced ^fast write protection _ on KVM Forum î ì í7 Jan 10, 2023 · I have two NFS Network filesystem pools on one host. Feb 28, 2023 · [5] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. 共有ストレージの例: 単純な移行のための NFS; 15. export states •KVM device allocates a piece of memory mapped by the migration thread to transport the exported states •The memory is also given to TDX Module to export/import the encrypted states Live migration, also called migration, refers to the process of moving a running virtual machine (VM) or application between different physical machines without disconnecting the client or application. The goal of these steps was to take a physical Linux P node running live Mar 3, 2015 · Hello to all Did anybody managed to enable vfio live migration in 535. Apr 4, 2021 · KVM live migration for non shared lvm storage. • KVM and Qemu developer What is Live Migration VM Dienstag, 22. 3. Jan 26, 2021 · I'm trying to perform a live migration from one KVM host to another, both SLES12SP5, share the same subnet. Jul 1, 2021 · Taming Live Migration. Xen live migration; 21. 15. I use this on some CentOS 7 hypervisors and live migration works well. Also I have set passwordless ssh between the hosts. Share storage example: NFS for a simple migration; 22. Migration is name for the process of moving a virtualized guest from one host to another. org Mar 24, 2015 · This discussion will go through the simple design from the early days of live migration in the QEMU/KVM hypervisor, how it has been tweaked and optimized to where it is now, and where we're going in the future. It helps to achieve different resource management objectives like load balancing, online system maintenance, proactive fault tolerance, power management, and resource sharing through Virtual Machine (VM) migration. The GuestName parameter represents the name of the guest virtual machine which you want to migrate. 3. g. Access Red Hat’s knowledge, guidance, and support through your subscription. #KVM #LiveMigratio Though the performance is optimized through live migration, there are two important issues to be noted, reliability and security. It explains how QEMU live migration works. The maintenance behavior for Z3 VMs is set to TERMINATE. Sep 19, 2011 · Unable to perform KVM live migration when stressing the cassandra application in it with cassandra stress tool from diff node 0 measure virtual machine live migration parameters in kvm/qemu Aug 27, 2021 · [3] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. KVM Live Migration This chapter covers migrating guest virtual machines running on one host physical machine to another. 1. real 0m15. How does the live migration process work? When a VM is scheduled to live migrate, Compute Engine provides a notification so that you can prepare your workloads and applications for this live migration disruption. Oktober 13. What is the difference between hot migration and cold migration in KVM? Dec 23, 2015 · Disable virtio cache for disk – Live Migration KVM . Mar 10, 2021 · [5] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. In a secure setting, without access to guest memory or CPU state, the hypervisor needs help from a trusted agent inside the guest to facilitate live migration. We're live-migrating a virtual machine between different subnets, so after the migration the IP address and routing tables have to be updated, else the VM is unreachable in it's new subnet. 'kvm_two' hosts no servers. I have set both the hostnames at /etc/hosts on each of the host. Configure DNS or hosts to resolve names or IP addresses normally, first. [1]. Live migration is a useful capability of virtualized workloads and has multiple use cases. 0 Migration Manager VM Live Migration NC Uprading Kerne/Firmware Upgrading Before After Improvement Memory Bandwidth (MB/s) 30179 27873 8. 'kvm_one' hosts the server 'login01'. . For connection between KVM Hosts, they connects to others with SSH, so it had better to set SSH key-pair with root account before running live migration. Apr 10, 2021 · Configure live migrations¶. KVM live migration; 22. Live migration is an important technology that allows for the movement of a virtual machine from one host server to another with minimal impact to the end user. Thanks Hardik, yes 6. There is also another way to migrate VM without shutting down VM. The VM definition is transferred to the target host. I May 24, 2022 · Configure live migrations¶. – Freeze time (aka “Downtime”) – how live is live guest migration? • Typically < 5 seconds to avoid dropped tcp/http connections (some apps are more sensitive < 2 seconds) – Performance impact on the workload. Mar 9, 2022 · Configure live migrations¶. •A migration stream creates a migration device emulated via KVM device •QEMU migration thread ioctls on the device fd to send requests, e. I am new to Ubuntu and virtualization and I have been working on live migration of KVM machines without a shared storage. May 9, 2020 · I am trying to live migrate my KVM based VM from one host to another for non shared storage using virsh migrate. May 18, 2018 · This is the example to use Live Migration function for Virtual Machines. May 26, 2021 · KVM virtual machine live migration For KVM dynamic migration, there are the following suggestions and precautions. If live migration is used at your installation, be sure not to block the migration. May 11, 2020 · To Reproduce. 4. Please set DNS or hosts to resolve names or IP addresses normally, first. To enable post-copy, set live_migration_permit_post_copy=true in nova. If you use -cpu host, it simply exposes the same features as the host; but there are other more 'generic' subsets, like -cpu qemu64. 04. Linux HA does not need live migration to manage VM. KVM の移行. 5 4. 6 Provider and libvirt versions dmacvicar/libvirt v0. 02% Impoverments of the Whole Cluster Application of Live Migration:Kerne/Firmware Upgrading Nov 8, 2018 · Is there any possible way to perform live migration using KVM/QEMU/libvirt without stopping source VM after migration? I want to make full consistent backup of VM under KVM hypervisor without stopping of this VM. For this feature to work, having a shared storage is not mandatory. The process transfers the VM memory, network connectivity and storage. Jul 26, 2016 · KVM live migration and QEMU_PROTOCOL. Jul 23, 2019 · This is the example to use Live Migration function for Virtual Machines. 5 5. More vGPU Forums. Experimental vGPU live migration support for KVM and XEN 2. The purpose of this section is to demonstrate how to perform basic live migration of a QEMU VM with an MLX5 VF assigned to it. Configuring guest live migration; 22. Migration . 6 LTS Terraform version Terraform v1. Nov 26, 2020 · The most important benefit of VM live migration is increased uptime and reduced downtime. Offline migration. user34509 November 25, 2021, 7:55am 1. Currently I'm using ssh over a link-local IPv6 address to connect to the VM after the live migration. hv. 430s user 0m0. KVM live migration is supported in some environment like Red Hat and Oracle. This is the example to use Live Migration feature for Virtual Machines. 11 to V KVM on Proxmox VE v5. # virsh start UAKVM2 . In my case, I have CentOS 7. Another important benefit is that it enables energy-saving, making it an environment-friendly process. During the live migration, the virtual machine continues to operate and respond to commands. We discuss the steps regarding the KVM live migration requirements and the security and reliability issues in live migration. Feb 21, 2024 · By this time, all the steps of the live migration have been completed and understood, even with an out-of-QEMU device. 031s sys 0m0. I am unable to find any related documentation regarding live storage migration only. A Detailed Flow of Post-Copy Live Migration Source Target POSTCOPY ADVISE Discard all pages CPU and device state POSTCOPY LISTEN Preparation (e. VM migration types; Migration type Description Use case Storage requirements; Live migration. • Demands on Live guest migration – Convergence and predictable total migration time. Migration is a key feature of virtualization as software is completely separated from hardware. This section does not explains how to create VMs either using libvirt or directly via QEMU. See full list on linux-kvm. com And it is showing following output. 0: 531: “just in time“ triggering of live migration Reduce down time Dynamic adaptive bandwidth allocation Manual and automatic Allow “hot standby” Facilitate WAN link transfer Time on Time on Time on Trigger Warmup Cancel Warmup Switch to full live migration Classic Live Migration Threshold New Live Migration Threshold Este vídeo e uma breve demonstração do recurso de live migration utilizando Linux KVM. 2: 1710: July 10, 2015 Migrate a KVM host to another Opennebula installation. :D With non-shared storage the hypervisor first makes a copy of the virtual block device that the VM runs on, sends that copy to the new hypervisor, then it does all the rest, snapshot the ram, send the ram snapshot, then take a final diff of ram and disk and send those over too, once they've arrived the other VM just starts running again. Live Migration¶. The VM continues to run on the source host machine while KVM is transferring the VM’s memory pages to the destination host. conf and restart nova-compute. 0 4. Hot Network Questions Sorting filenames of a RAR split archive (v3 and v5) Non-live migration is more reliable than live migration, although it creates downtime for the VM. This chapter covers migrating guests running on a KVM hypervisor to another KVM host. Live KVM migration with virsh; 22. 015s MLX5 VF Live Migration. 7. A carefully designed virtualised environment provides the maximum possible uptime for any application. Jul 9, 2020 · I don't think this bug was ever fixed in the ancient version of qemu-kvm shipped with base CentoS 7. 4 mdadm software RAID1 P disks to KVM virtio disks migrate from large P disks to smaller V disks Foreword. 移行の要件および制限; 15. Jun 20, 2023 · [3] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. Linux HA supports live migration and can utilize it if it is properly set up Unifying Coco VM Live Migration • Vendor Neutral uAPIs/KVM ioctls for live migration functions • Attesting the target • Integrity protection during live migration • Guest_memfd o New APIs for memory pre-copy live migration o Post-copy live migration support P2V Linux physical to virtual KVM - no automated tools Live migration of P running Debian Wheezy 7. KVM live migration. https://www. 1. •QEMU/KVM gains some features to improve live migration •Compression, XBZRLE, auto-converge, etc. The system programmer, who also initiates the migration, ensures that all preconditions are met. For shared storage the migratio In my case it regularly pushed one of my VMs into the reset state, as disk space was slow exhausted. In both instances, the host physical machines are running the KVM hypervisor. File Format Virtual Machine State Dienstag Oct 8, 2014 · If the storage was pure local, the migration command would be virsh migrate vm qemu+ssh://new. Typically the time that the guest is unresponsive during live migration is the low hundred of milliseconds (notice that this depends on a lot of things). 161. 8) 5 setenv QEMU_ADDR_pc. Community Support. This is like a regular VM live migration, but you can do it even if you don’t have a shared storage for your KVM hosts (shared storage is usually a dedicated NAS for VM disk images). 0 supports KVM but this is a more specific question about live migration of a PAN VM from one KVM host to another. We thoroughly analyze the key parameters that affect the migration time and construct a live migration time cost model based on KVM. Jan 30, 2025 · Z3 VMs don't support live migration. The migrate command accepts parameters in the following format: Note that the --live option may be eliminated when live migration is not required. Oct 8, 2019 · KVM : Live Migration 2019/10/08 This is the example to use Live Migration feature for Virtual Machines. With the acceptance of the new CA framework in CloudStack, we can use the framework and sub-system to enable secured live VM migration across KVM hosts. KVM Live Migration- VM is already active. It requires 2 KVM host server and also a storage server like follows. Note that if the original guest virtual machine modifies pages faster than KVM can transfer them to the destination host physical machine, offline migration must be used, as live migration would never complete. Most of the migration occurs while the OS continues to run. I have followed all the steps as described in the following link everything Apr 10, 2021 · The following remarks assume the KVM/Libvirt hypervisor. Ensure the following ports are open on the destination host. Virtual GPU Forums. File Format Dienstag, 22. Xen live migration. Remote management Very slowly. KVM の移行; 15. Sep 16, 2021 · This talk presents the QEMU/KVM design of TDX live migration and initial PoC results for the migration performance evaluation. A guest virtual machine can be migrated to another host physical machine with the virsh command. Almost no instance downtime. 移行の定義と利点; 15. Đây là mô hình lap có ít máy nên tôi sẽ cấu hình luôn trong file /etc/hosts Live migration allows the guest to continue running while the state is transferred. The hosts can but need not run on the same IBM Z® or LinuxONE hardware. Configure and test live migration between KVM hosts using an NFS server as shared storage. Nov 29, 2017 · The current VM migration is performed over unencrypted TCP port using the URI scheme qemu+tcp:// and this can allow snooping adversaries to read the VM's state (memory and states) and metadata. In this paper, we propose how to migrate a VM Guest to another VM Host Server. 0 3. The below are the requirements for working with MLX5 VF Live Migration. ライブマイグレーションと Red Hat Enterprise Linux バージョンの互換性 ; 15. 1804 (Core) and Qemu-KVM version 1. 0 2. Live Migration is available in KVM since 2007 but high memory write load can impact migration process. Live migration (or ‘true live migration’). The source and destination hosts are running. When not configured in the import-only mode, the source image will also be linked to the target image and marked read-only. You'll need to copy host. Migrating with virt-manager; 23. A live migration example; 21. Sep 13, 2020 · KVM supports live migration, which is the ability to move a running VM between physical hosts with no service interruption. Because guest VMs operate in a virtualized environment rather than on the hardware directly, this is made possible. It works on Centos7/6, have not tried it in 5. Live KVM Migration with virsh. 72% Packet Forwarding (MB/s) 610 570 7. ram 1073741824 This is the example to use Live Migration function for virtual machines. Note that the --live option may be eliminated when live migration is not desired. This can be, for example, NFS, iSCSI, or Fibre Channel, but it can also be a distributed or clustered filesystem like GlusterFS and GFS2. Dec 30, 2024 · Yes, you can. 5+ 7. 0. 1 Checklist [ x] Is your issue/contribution related Aug 10, 2016 · In one of our previous researches we’ve noticed that, by default, QEMU/KVM live migration has a pretty low convergence for heavy-loaded virtual machines. The convergence property reflects the ratio or difference between VM memory transfer speed and VM memory dirty speed during the live migration, if the memory transfer speed is higher or live migrationでは、ゲスト仮想マシンが移行元ホストマシンで実行し続け、ゲストのメモリーページが移行先ホストマシンに転送されます。移行中、KVM は、すでに転送されたページの変更についてソースを監視し、すべての初期ページが転送されたときにこれ The following requirements must be met before performing a live migration of a virtual machine to another KVM host. Live migrate KVM VM; Expected behavior While might (will) be a libvirt version specific problem, at least OpenNebula should do an extra cleanup on target host in case of failure - destroy and undefine domain if still running on target. In this case, the instance recognizes that it was rebooted. The primary is constantly background-"migrating" to the secondary. 5 1. start the KVM guest. Basically two instances of the same VM run on two different servers. In this session, we will describe in detail the current and future challenges for migrating encrypted VMs. CentOS Linux release 7. Feb 23, 2024 · How to Live Migrate a KVM virtual machine to move it to a different server without the VM going offline at all. The live-migration process is comprised of three steps: Prepare Migration: The initial step creates the new target image and links the target image to the source. Do Table 15. ram 140611724247040 setenv QEMU_LEN_pc. Requirements. I would like to live migrate the underlying qcow2 disk files from one pool to the other. The instance is shut down for a period of time to be moved to another hypervisor. A prerequisite for the live migration of KVM machines is that the disks involved reside on shared storage; that is, they use a data repository that is shared between the source and target hosts. The evaluation of time cost model shows that the average prediction accuracy is above 90% in comparison with measured time. Jan 17, 2025 · This is the example to use Live Migration feature for Virtual Machines. – Attach mem to new KVM instance via KVM_SET_USER_MEMORY_REGION – O(npages) cost : 1 msec / GB – Constant cost with kernel patch 4b442955 KVM: x86: avoid unnecessary rmap walks when creating/moving slots (5. 0 Likes Likes 0. Jan 21, 2024 · KVM Hypervisor Live Migration The act of transferring a guest Virtual Machine (VM) from one physical host machine to another is referred to as migration. Jun 7, 2023 · System Information Linux distribution Ubuntu 20. Oct 25, 2023 · Description When live migrating a KVM VM the process is quite different when dealing with a shared storage deployment (like NFS) or non shared one (like SSH driver). Live migration is usually performed when a physical host machine (computer or server) needs maintenance or an update, or when a VM must be switched to a different host. May 11, 2017 · [1]I am using KVM with virt-manager to migrate the virtual machines from one system to another. Only while the last part of the state is transferred has the guest to be stopped. Live migration is the process of moving a running virtual machine instance to another node in the cluster without interrupting the virtual workload or access. KVM Forum 2007 3 Introduction Live Migration, A valuable feature of any hypervisor Almost unnoticeable guest downtime Load Balancing, Maintenance, Hardware Upgrades 1. 27% SPECjbb 128655 120552 6. So we look into the topic of building a model to quantitatively predict live migration time. xml host qemu+ssh://other/system. Aug 5, 2020 · KVM : Live Migration 2020/08/05 : This is the example to use Live Migration feature for Virtual Machines. example. It is recommended to migrate between same hardware structure and OS to avoid issues. 6 (release candidate version) and the feature is in beta. Apr 28, 2022 · [3] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. 3 By default the KVM images are located the location /var/lib/libvirt/images/ Apr 3, 2021 · One of the features I’ve been most excited about with this new server setup is KVM live migration using virsh migrate with copy-storage-all. 2, “Additional Options for the virsh migrate Command” . To calculate migration time I run the following command at host machine terminal: time virsh migrate --live UBVM1 qemu+ssh://server1. Jun 5, 2009 · demo of a live migration with libvirt for a kvm host. Besides DRBD (where a failing primary might have not published the latest changes), there's also the "COLO" mode of QEMU/KVM. org/page/MigrationContat Jul 27, 2021 · [5] Create and Start a Virtual Machine on a KVM Host and run Live Migration like follows. You got it backwards. The instructions below are somewhat sensitive to KVM/Distro version. xml and define host and storage on the new system. Table 10. Let’s try for Live migration. Để có thể live migrate giữa 2 KVM host thì 2 máy này cần biết tên miền của nhau. Hello. During live migration, Google Cloud Nov 5, 2023 · こんにちは。株式会社クラスアクト インフラストラクチャ事業部の大塚です。今回は前回構築したKVM環境を拡張していきたいと思います。KVMをもう1台作成し2台とし、さらにNFSを1台構築。ライブ… Feb 6, 2018 · Why not use virsh live migration with storage? I use something like: virsh migrate --live --copy-storage-all --undefinesource --verbose --xml /tmp/host. Jan 10, 2023 · I have two NFS Network filesystem pools on one host. ip --copy-storage-all This would copy the disk images prior to migrating the VM. It requires 2 KVM host server and a storage server like follows. virsh を使用した Using the Cockpit web console, follow these steps to migrate a live running VM instance on the managed host system to another KVM host system. KVM Forum 2007 18 Memory Transfer Convergence Rules Transitions the algorithm from live phase to offline phase, according to the following rules: Convergence: N1=50 dirty pages (or less) left No Progress: N2=2 iterations where the number of transferred memory pages is smaller than the Oct 20, 2022 · また、この他にも、両者のメリットを併せ持つ「Hybrid Pre/Post-Copy Live Migration」もある。 Pre-Copy ライブマイグレーション 移行元に配置されている VM を稼働させたまま、VM の仮想メモリの内容を複数回繰り返して移行先にコピーする方法で一般的にこの方式が kvm は、移行中の転送速度も推定するため、転送するデータの残りの量が一定の設定可能な期間 (デフォルトでは 10 ミリ秒) に達すると、kvm が元のゲスト仮想マシンを一時停止し、残りのデータを転送して、移行先ホストの物理マシンで同じゲスト仮想マシン Jan 16, 2025 · Live migration on KVM Virtualizor is available since 3. •PCIe compliance - natively fit into existing KVM architecture •Enhanced Security –VF resources and VF GPU states are isolated by GPU hardware •Low TCO (total cost of ownership) –better GPU HW resource utilization by partitioned GPU •Live migration friendly –APIs on host for QEMU to manage the migration KVM lets you specify the kind of CPU 'exposed' to the VM by choosing the specific subset of features it announces to the BIOS. 2. Try to use a network shared storage system on the source host and the destination host to save the client disk image. COLO is short for coarse-lockstep and part of the live-migration feature. However, AFAIK it is fixed in the CentOS Virt SIG's release of qemu-kvm-ev, which is much newer, and tracks the source code for the enterprise Red Hat Virtualization product. Migration is the process of moving a guest from one host to another. Live Migration Compatibility; Migration Method Release Type Example Live Migration Support Notes ; Forward : Major release : 6. Live migration requirements; 22. LAN case: Not all network bandwidth can be used for migration – network bandwidth might be reserved non-LAN case: Inter-Datacenter live-migration – L2 connectivity among datacenters with L2 over L3 has becoming common – VM migration over DCs as Disaster Recovery reliability VM can be lost if network failure during migration occurs Notify VF driver for migration operations Page 8 Prototype Overview Host VM libvirt QEMU IProute2 PF driver VF driver PF …VF VF VF Libvirt Migration check, prepare VM config QEMU Implement savevm handlers (save and load) for assigned device Use IProute2 command to notify SR-IOV driver for migration Dec 1, 2020 · to manage VM using HAE interface you should be able to do one live migration using virsh command line or virtual manager, so you must first setup KVM live migration before leveraging HA in linux. See how to seamlessly move VMs without downtime. If downtime is tolerable, non-live migration can be an option for VMs that are difficult to live migrate. 5. Port 22 is needed for connecting to the destination host by using SSH. 05 driver? I have tried to place both the old (NV_KVM_MIGRATION_UAPI=1) and the new flag (NV_VFIO_DEVICE_MIG_STATE_PRESENT=1) in the following files before install and dkms build Aug 23, 2019 · The migration types are: Non-live migration (sometimes referred to simply as ‘migration’). virsh を使用した KVM のライブ移行. Live migration is a process during which a running Virtual Machine Instance moves to another compute node while the guest workload continues to run and remain accessible. Platforms: Intel® 6th /7th Generation Intel® Core™ Processors • Benchmarks covered: • Heaven, 3Dmark06, Trophic, Media encoding/decoding • lightsmark, 2D, Media workload Understanding live migration. The goal is to do this as fast as possible. NVIDIA Virtual GPU Technology. Memory, storage, and network connectivity of the virtual machine are transferred from the original guest machine to the destination. The processes were examined in specific units, and almost without realizing it, the migration was complete. Additional options are listed in Section 4. Migration enables an administrator to move a virtual machine instance from one compute host to another. synpj cndhpp tvut ymqipwx xcuseuo oquru uqjtn hrnlb ozhw noqjdqmy mxu hmjvycb xfy bzq dvh