Questions tagged [live-migration]

Support the re-hosting of systems, applications and services with limited (or preferably no) unavailability apparent to users. Not simply cluster fail over, but changes to either hardware, OS, software, configuration.

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Which Xen PVM properties are copied for live-migration?

I wonder (after another failing live migration): Which VM attributes (properties) are copied from source to destination when a live migration of a PVM is being performed? In our case the libvirt ...
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What disk considerations are taken for VM migration during Host Maintenance in GCE?

I'm running a VM in the us-central1-a zone with Availability policies configured as follows: Preemptibility - Off (Recommended) On host maintenance - Migrate VM instance (Recommended) Automatic ...
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Cannot live migrate VM from certain user on certain host

Layout Forest A Forest B Forest ForestA ForestB Domain DomainA DomainB Computers ComputerA1, ComputerA2 (none) User UserA UserB Administration ForestA trusts ForestB ForestB trusts ForestA ...
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KVM Live Migration- VM is already active

I'm trying to perform a live migration from one KVM host to another, both SLES12SP5, share the same subnet. 'kvm_one' hosts the server 'login01'. 'kvm_two' hosts no servers. Executing the following ...
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5 votes
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How is live migration of a VM possible/made?

From this article: Virtualization: What is KVM? and other resources, I learned that it is possible to migrate a Live VM from one host to another? Live migration KVM supports live migration, which is ...
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KVM live migration for non shared lvm storage

I am trying to live migrate my KVM based VM from one host to another for non shared storage using virsh migrate. I have set both the hostnames at /etc/hosts on each of the host. Also I have set ...
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Oracle VM and live storage migration (like storage vMotion on VMware), is it possible?

I have to migrate VMs to new storage for a client. Hypervisor is Oracle VM, versions 3.3 & 3.4. Haven't access to the machines yet, I'm searching for info for live storage migration on this ...
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VNC error during live migration of KVM vm

If I live migrate a KVM vm from host 1 to host2 then I get error for vnc. Is there any way to change the vnc dynamically before the migration starts. I donot want to stop and start my vm before or ...
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KVM live migration for non shared storage

I am trying to live migrate my KVM based VM from one host to another for non shared storage using virsh migrate. I have set both the hostnames at /etc/hosts on each of the host. Also I have set ...
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Is there a way to check integrity of Hyper-v configuration files?

We are having an issue migrating Hyper-V guests. Source Windows 2016 Standard running Hyper-v role. Destination Windows 2019 Standard running Hyper-V role. Both servers running october rollup from ...
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2 answers
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How to keep existing Exchange in new Domain

I have to migrate an entire domain xyz.local to zxy.com. We will setup new AD Controllers and migrate all users with the microsoft ADMT. Is there a way to keep the existing Exchange Server with the ...
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Can Azure report ‘live migration’ events?

Question: Can the Azure portal report start/end times for any 'live migration' of VMs? My company is migrating VMs from our local data centre (VMWare ESX Server) to Azure cloud (Microsoft Hypervisor)...
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-2 votes
1 answer
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Live migration without stopping source VM after migration

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 ...
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2 votes
1 answer
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Error: Migration operation failed. The operation is not supported

In Hyper-V 2016, I'm getting an error "Operation not supported" when attempting to move my VM configurations from a USB drive to the default folders. I have only one host machine; I exported them to ...
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Is live migration causing data corruption?

We have two virtual hosts (Xen 4.9) and live migrate guests between them. The storage of the guests is accessible via iSCSI. That is, a guest running on host A has its storage presented as a straight ...
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windows 2016 preventing Live Migration

We have 2 Nodes in our cluster network and all hardwares have same specifications. While am doing Live Migration am getting below error. **Live migration of 'Virtual Machine TEST_SERVER_1' failed. ...
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Live migration and networking

Can anyone help me understand how networking works for any live migration of VMs. Consider two VMs with private addresses 192.168.5.100, 192.168.5.101 with gateway 192.168.5.1. They also might have ...
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2 answers
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Migrating VMs from hyper-v server 2012 r2 to windows server 2016

I'm turning in circles and I don't know what I could od more to make this work. I have 2 hyperv 2012R2 nodes in a cluster and 3 windows server 2016 nodes in another cluster. I want to live migrate ...
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Migrating 2 domain controllers from server 2003 to 2012

Company has domain that they need to migrate from (dobbde.com) into (dobbde123.com). They have a 2003 file server in dobbde.com and we want to deploy a 2012 file server in dobbde123.com. They have ...
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1 answer
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Characteristics of Linux DUMP command

While looking at ways to virtualise (to KVM) an old, lightly used Linux server (to which I have root, but not physical access), I came acrossthis post which mentions a command I'm unfamiliar with - "...
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How to minimize downtime when moving web hosting, using vanity nameservers

I am migrating live sites from OLD_SERVER to NEW_SERVER. I have root access to NEW_SERVER but I only have WHM access on OLD_SERVER. I know that to minimize downtime, I can reduce the TTL on each of ...
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Why do we need live migration support in hypervisors or cloud providers?

If a application is developed as a REST API based with separate UI and backend tiers, and we have tools to deploy the servers in a few minutes, why do we need live migration support? Say to move from ...
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3 answers
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How to Migrate an oversized Encrypted server on ESXi

So, I have gotten myself into a particular predicament and have seen a few pieces of ways to solve my problem but I am missing some parts in between. The basis of my problem is that I have an old ...
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Migrate Linux system by copying data to a new installation

I have a running development server, that hosts an Ubuntu Server on an OLAP secured SSD. The target board where I want to migrate this system can not unlock the SSD (because it had been locked by a ...
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Change server's IP with zero downtime

I'm changing servers of my website, example.org. The IP of the old server cannot be used for the new one. I want to replace the old server with the new one with zero downtime. There are many ...
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2 votes
1 answer
345 views

Migration of Exchange 2010 to AWS server

We currently have Exchange 2010 running on Windows Server 2008 R2. Our Active Directory is also on the same server. We have 2 mailbox databases and approximately 300 mailboxes. We want to move this ...
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Why emails are sent to spam after migrating my website from one server to another server

Emails sent from my website worked normally & were sent to the Inbox correctly. But now I made couple of below changes & the emails were now in SPAM. I have actually 2 servers. One is for ...
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How to migrate SVN to new server in phased approach

I'm currently migrating my dev services (VCS, CI, CD etc) to a new environment; part of this involves moving our SVN server. I've been able to set up the new SVN server (CollabNet Subversion) and copy ...
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4 votes
1 answer
6k views

KVM Live or Near-Live Migration from LVM to filesystem backend

My guest machine has 2 partitions (80GB + 1TB). Both of them is on LVM. I want to transfer all disks to another machine with minimum downtime. I transferred another machine with nc. It takes 4 days ...
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1 vote
0 answers
128 views

Automatic DNS cache eviction for live-migration purposes

In the context of live-migrating Virtual Machines (VMs); if taking place over a wide area, there is a chance that the IP address will change between source and destination. It can be a problem that ...
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2 votes
3 answers
3k views

LVM: moving physical volumes

In a virtual server (Debian GNU/Linux 8 amd64) I have the following disks and filesystems: # pvscan PV /dev/vda1 VG vg0 lvm2 [100.00 GiB / 0 free] PV /dev/vdb1 VG vg0 lvm2 [46.56 GiB /...
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Windows VM becomes unresponsive and shows black screen after live migration on openstack

I have few Windows VM, running on KVM hypervisor in an openstack cloud, which becomes un responsive and shows black screen ( in Horizon dashboard console) and even RDP does not work. I have observed ...
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3 votes
1 answer
9k views

How do I migrate Proxmox VM to another computer in a cluster?

Original: I am running Proxmox 4.2 with a Debian 8 (Jessie) VM. I have DRBD running between two desktop computers in a cluster and I have a third node in the cluster which is a laptop not ...
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1 answer
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Move-VMStorage failing with error 0x80070005

I'm issuing this command on the Hyper-V host SERVER2: Clear; Get-VM | ForEach { Write-Host "Migrating: "$_.Name; Move-VMStorage ` -VM $_ ` -DestinationStoragePath "\\SERVER1\D$"; } Both ...
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TFS 2012 migration to clean installation of TFS 2015

We want to move TFS 2012 to clean installation of TFS 2015. Are there any guides? The rough idea now is to execute in-place upgrade of TFS 2012 and than point TFS 2015 to this databases. There is only ...
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1 answer
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How to create an Exim router to redirect email and then use alternate gateway

essentially we are migrating to Google Apps for Work away from cPanel (centOS5.11 Exim 4.86) I need to tell Exim: redirect a list of users to an alternate list of email address and then use an ...
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1 vote
2 answers
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Live Migration - Switch Infrastructure

We will be deploying into an environment intended for maximum resilience/redundancy and the capability for rapid scalability. Context This environment is: 1 x NAS server with FreeNAS RAID 2 x ...
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-3 votes
1 answer
640 views

How can migrate ESXi to the paid version

I'm new to ESXi/vSphere and hope someone can help me. We bought vSphere and need migrate from our free ESXi installation. I have searched a lot about process but cant find about. We are still ...
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Cloning / migrating a root Linux server

I'm Looking at options for cloning a Linux server. Basically the server company we're using is going bust and went down for 4 days last week so I need to act fast and use the simplest and fastest ...
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3 answers
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Is it possible to move MySQL to different hosting using replication?

I am considering switching to a new hosting provider and I would like to know if it is possible to achieve database (MySQL 5.6) migration without a huge downtime (= time to copy tens of GB of DB ...
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Web application doesn't migrate in cluster mode

I installed JBoss EAP 6.4.0 on two different virtual machines: Ubuntu Server 12.10, IP=192.168.0.20 Ubuntu Server 12.10, IP=192.168.0.23 Then on each machine I edited the standalone-ha.xml file in ...
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0 votes
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Steps for upgrading ubuntu production cloud server

I have a site running on a cloud server with Ubuntu 13.04. I want to upgrade to 14.04 as seamlessly as possible. I found this answer but I wanted to flesh it out so I can be more confident. My plan ...
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0 votes
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HyperV-2012R2 Storage Migration cannot migrate entire VM in FCM

I am new to HyperV and currently moving our setup from esix4.1 to 2012R2 HyperV. We were testing out the storage migration and it is pretty cool but I could not figure this out: - If the VM is not in ...
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Change webserver with minimal downtime

I have a webserver in production. Its IP is 111.111.111.111 and it is referred to as ServerA. In addition to storing script files, the server also stores user uploaded files and has a database. The ...
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4 votes
1 answer
792 views

Hyper V 2012 and SQL Cluster Live migration

I've been doing allot of searching and even asked around here at the office without a good answer. I would like to know, within Server 2012 R2 Hyper V, can you or can not do a storage migration of a ...
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Hyper-V offline migration between AMD and Intel Processors

I have an existing 3 server hyperv cluster using Dell R715 AMD machines. Now I'm planning out what to do if our server room is damaged in a disaster. The plan is to have a single, fairly powerful, ...
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OpenStack Live-Migration VNC server error

Following these steps to do a live migration results in: 2014-12-08 00:42:38.772 17808 ERROR nova.virt.libvirt.driver [-] [instance: db9d53ac-4a75-4009-a67e-f45abf9d4d32] Live Migration failure: ...
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Migrating SQL Server 2000 from Physical to Virtual

My team will be tasked with a Physical-to-Virtual migration of SQL Server 2000. The main requirement will be: Minimization of downtime and minimization of impact on operation. The action plan is as ...
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Live migrate a libvirt/kvm virtual machine with both local and shared storage

I want to use both local (for better performance where it matters) and shared (for big slow disks) storage for a VM. Is it possible to live migrate such a VM? If the storage was pure local, the ...
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0 votes
1 answer
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CF Website Migration

I am a System admin assigned the task of migrating a couple of Cold Fusion websites from a 2003 Server(SQLSERVER 2005) to 2012 Server(SQLSERVER 2008). I have the least idea or even a list of ...
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