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.
Questions tagged [live-migration]
72 questions
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votes
1 answer
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 one region to other, we can simply create a new…
Naggappan Ramukannan
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3 answers
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 ESXi managed server with a few critical debian VMs…
Whinis
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1 answer
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, server waiting at another location to restore to. …
Grant
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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 the ability to move a running VM between physical…
samshers
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1 answer
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 and during transfer my VM was off.
I tried to make…
Fırat KÜÇÜK
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votes
1 answer
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 shared drive like a quorum drive.
Allow me…
Paulo H
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votes
1 answer
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 running DRBD. It is going to be used for offline migration…
Michael
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1 answer
How do you live-migrate Hyper-V to Azure?
I have a new install of Windows Server 2012 with the Hyper-V role setup and a couple VMs running along fat, dumb, and happy. I want to play with Azure hosting for VMs for a couple of stand-alone boxes. Is there anything special that I need to wire…
TopHat
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Hyper-V virtual machine can't be migrated to a specific host in the cluster
I have a three-node Hyper-V cluster running on Windows Server 2008 R2 which is working quite flawlessly: there are no errors, live migration works, all hosts can and will happily run all virtual machines, and so on.
But one specific virtual machinee…
Massimo
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6 answers
KVM live migration between Intel and AMD processors
When using KVM for virtualisation on Redhat (RHEV), is it possible to live migrate VMs between AMD and Intel boxes? In particular, I'm interested in Opteron 6100 and Intel Xeon 5200 series.
There was an AMD demo in 2008, but I can't find out…
Pengin
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votes
1 answer
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 the drive so I could perform some hardware…
InteXX
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1 answer
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 block device, and the device is mounted on host A…
Theo Lassonder
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votes
2 answers
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 some vms from the first cluster to the second.
I…
Carobell
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votes
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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 the accounts, then repoint each of them to the new…
Cogicero
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votes
1 answer
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 exchange server from our self-hosted setup to…
geordie_nation
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