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]
75 questions
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1 answer
Nova Compute State "down"
I am doing a live migration test in an OpenStack cluster. (Mitaka). I have 3 VMs deployed on 2 compute hosts. The nova-compute state is UP when I start the cluster. But after sometime the although the status is Enabled the state is down because of…
Anvay
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1 answer
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 command:
kvm_one:~# virsh migrate --live…
אברגיל יעקובו
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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 during mirgation.
error: internal error: qemu…
Ash
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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 windows update.
Guests created with Configuration…
Blue Nova
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1 answer
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 two domain controllers in dobbde.com (2003) and we…
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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 different controller).
In addition to this, I would…
Dyin
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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 Pre-Prod & Another is Live.
Changes I made are,
1. Changed…
manian
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1 answer
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 alternate smarthost only for these redirected…
cwheeler33
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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 was to
Create an image of the current production…
MW Millar
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1 answer
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 a Fail Over cluster then we can initiate the…
nid15
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votes
1 answer
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 application uses wildcard subdomains where…
user1032531
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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: internal error:
early end of file from monitor:…
user3237784
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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 follows:
Create a new VM (on Hyper-V) running…
pepoluan
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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 precautions to be considered beforehand.
Could anyone come…
pulsarjune
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1 answer
After destroy_domain, XenServer VM can't Migrate within Pool
I have a three XenServer 6.1 servers in a pool. HA is normally used, but is currently turned off for this operation.
Recently, I had to force a shutdown of a VM by destroying the domain via these…
SteadH
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