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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21 views

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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votes
1answer
43 views

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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0answers
22 views

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 ...
0
votes
0answers
108 views

live-migration failure and unable to launch an instance

I am having a trouble enabling live-migration in Openstack. I followed these steps such as setting vnc_listen = 0.0.0.0 etc. However, I get the following errors: 2015-03-27 17:43:42.336+0000: ...
0
votes
1answer
59 views

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 ...
0
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0answers
56 views

Why does Hyper V differs in authentication methods for live-migration and replication

Hyper-V provides different authentication methods for replication and live migration (2012 R2 based). Live Migration is using CredSSP and Kerberos and replication Kerberos or PKI-based authentication. ...
3
votes
1answer
176 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 ...
5
votes
1answer
671 views

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, ...
0
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0answers
167 views

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: ...
0
votes
0answers
173 views

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 ...
0
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0answers
593 views

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 ...
0
votes
1answer
40 views

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 ...
0
votes
1answer
2k views

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 ...
0
votes
4answers
70 views

What can be done to migrate network applications when the client configuration cannot be changed?

We have a number of situations where a client application needs to be migrated from one host to another in an active production network. The servers continue to run other applications. The problem is ...
0
votes
3answers
1k views

Windows Server 2012 Hyper V Clustering Live migration Hot Failover

We are thinking of implementing Hyper V Clusteriazation on Windows server 2012 servers. We aim to use the Live migration feature to eliminate downtime when one of the servers fails. My question is: Is ...
-2
votes
1answer
47 views

live migration on KVM

I knew that the KVM can be run in ATOM server processor ( because ATOM server processor support intel-VTx ). But I'm wondering it is possible "live migration" in ATOM server. Who know about this ?
0
votes
1answer
130 views

Xen: what are domU kernel config requirements for live migration?

We recently added iSCSI storage to two Xen servers running a mix of Gentoo and Ubuntu 10.04 and 12.04 domUs. When trying out live migration of domU I found that I can migrate just fine the Ubuntu ones ...
1
vote
1answer
991 views

Can i use Hyper-V VM Live-Migrating in a non Domain Environment

Does Hyper-V 3.0 require the Hosts to be joined to a Domain for Livemigrating? If so, i suspect that the VM's don't have this requirement? Are ther additional Features i can't use in a ...
2
votes
1answer
1k views

AES processor instruction in Hyper-V (Windows Server 2012) preventing live migrations

We have existing Hyper-V cluster with Windows 2008 R2 and have recently begun creating a new Hyper-V cluster with Windows Server 2012. We recently added a Dell PowerEdge R710 that previously ...
0
votes
1answer
437 views

ssh knoppix v7 / ubuntu v12 live CD

Using any Live CD possible to do ssh? If yes kindly share the step. I have use Ubuntu v12 after booting in live mode $ sudo bash # apt-get install openssh-server # /etc/init.d/ssh restart or ...
0
votes
1answer
1k views

Hyper V Live Migration Only Goes One Way (Error 21502)

We've been running into an issue recently with one of our server stacks. Our two 2008 R2 servers are running in a cluster set up to live migrate VMs between eachother in case there is ever a detected ...
0
votes
2answers
418 views

Hyper-V, SMB Shares, Live Migration & Configuration Nightmare with Kerberos?

Do I overlook something? For Live Migration to work in aScenario wher the VM's are stored on a SMB share I have to set up constraint delegation: http://www.aidanfinn.com/?p=13711 ...
1
vote
1answer
659 views

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 ...
3
votes
1answer
2k views

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 ...
1
vote
1answer
387 views

Hyper-V Live Migration without Cluster Shared Volume

Can someone please shed some light on this for me? I gather that it is possible to use Hyper-V live migration without the need for a Cluster Shared Volume. Given the following: Live migration can ...
0
votes
2answers
249 views

Routing to a Public IP (for VM WAN migration)

I'm planning to migrate a virtual machine from one data-center to another. The VM has a public IP address that will change on the new data-center to another public IP address. I'm planning to change ...
2
votes
1answer
4k views

Hyper-V Live Migration Fails

I have a failover cluster consisting of two nodes: VS1 and VS2. Each node is running Windows Server 2008 Datacenter R2 SP1. They have slightly different processors (E5335 and E5420), so I'm running ...
1
vote
2answers
312 views

Open Source Live Migration (Clone/Imaging)

I want to do a live migration of my Fedora and Windows Server 2003 into raw disk image without restart the server or shut it down. (disk image is for virtualization purpose) Is there any open source ...
1
vote
6answers
2k views

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 ...
2
votes
2answers
178 views

Cross migration of VMs

I have two w2k8r2 machines, that are in cluster, There are also two machines that are used as shared storage (with StarWind installed). On each node of the cluster there is one VM. So tell me please ...
1
vote
1answer
298 views

Live migration with xVM without SAN

I have two physical servers that I'd like to setup for virtualization. I'd like to set them up in such a way so that the following goals are met: Allows live migration of guest OSes from one server ...
0
votes
1answer
75 views

How to move multiple Apache Rails applications with minimal downtime

I have a server hosting some 80 small rails applications. We have recently upgraded the disk space, so now we have to move all sites to this new disk. The host is a VMware ESX server, so all disks are ...
1
vote
3answers
226 views

Migrating websites with SSL Certificates from one IIS server to another without downtime

We're in the process of migrating some websites from one of our older Windows Server 2003 / IIS 6 Servers to a newer Windows Server 2008 / IIS 7 server. We have to migrate these websites without a lot ...
2
votes
1answer
373 views

Hyper V cluster - one VM won't migrate

We have a Failover Cluster built up on 6 blades, each running Hyper V. Each box is running Server 2008 R2. We've got a number of VMs running that all have the same basic config: VHD stored on a ...