To move datacenter [infra for ESX3.5-123630] form one vc 41. to another vc 4.1[build-345043]

Hi,

We have one VC[4.1] managing infra 5 dc[3 for esx 3.5]] and 2 for esx/esxi 4.1

we are in plan of upgrading whole infra to 5.1 , but we need to exclude 3.5 infra,form this upgrade process,so we need to move 3 datcenter  of 3.5 to other vc running 4.1.

pls adcvie what are the requirements before doing that ?

with respect to..

additional licence required..?
any network config required on new vc(vlan dependecy) [both vc are vm]  ?
and san related config we have  to check/required ?
any outage during activity ?
process to be followed to move whole 3.5  infra form exsiting vc to new one
databce config/dependency  [have diff db-sql db server]..?

Please  advice for the solution to perfrom this with easy and qucik way

Thanks
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patronTechnical consultant Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I think you need to provide more information in the question, what SANs do you have?

iSCSI of Fibre Channel?

could you explain this:-

We have one VC[4.1] managing infra 5 dc[3 for esx 3.5]] and 2 for esx/esxi 4.1
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patronTechnical consultant Author Commented:
San - Fiber [netapp fas270]

have to move my remote sites running 3 datcenter [with multiple cluster/host running on esx 3.5] form one vc 4.1 to another vcenter 4.1

while other 2 datacenter running on esx/esxi 4.1 will be there on existing vc

out of toatl 5 datcenter= we have 3 dc on 3.5 and 2 are on 4.1, and ll move 3 dc of 3.5 to another vc of same version ie 4.1
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
DC - Domain Controllers?
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patronTechnical consultant Author Commented:
datacenter  there in vcenter -DC , m sorry if i used it in wrong way
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
No problems, just checking if I've got the right words!

Okay moving 3.5 hosts to 4.1 vCenter Management is very simple, 4.1 vCenter can manage 3.5 hosts, you do not require any additional licenses, but you do need to configure vCenter Server to point to the existing Licensing Server for ESX/ESXi 3.5 to obtain it's licenses.

You should not experience any downtime of the Hosts or VMs, on the 3.5 servers. All 3.5 Server SAN and Networking configuration is specific to host, no vCenter 4.1.

So fairly painless.

Once your VMs are hosted by vCenter 4.1, you can take advantage of upgrading VMware Tools, and Virtual Machine version from 4.0 to 7.0. (these are optional steps, and do require restarts of the VMs).

Only v7 virtual machines can be hosted on 4.1, not 3.5, so your cluster of mixed 3.5 and 4.1 hosts, will have v4 and v7 VMs. v7 can only be hosted on 4.1, v4 can be hosted on both.
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patronTechnical consultant Author Commented:
pls advice for required steps  or doc to be followed for this ?

and how to point to existing licence there on 1st vc 4.1 form new vc 4.1?

can we move licence as well to new vc 4.1 for 3.5 environment
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
The docs are simple

Remove ESX 3.5 host from old vCenter and add to new vCenter.

Yes you specify 3.5 license server in vCenter 4.1 configuration.
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patronTechnical consultant Author Commented:
so first i have to remove it form existing vc 4.1 or to just add licencing server on another vc 4.1 ?

and remove esx 3.5 host.....

we have to create datacenter/cluster agagin on new vc 4.1 ?and to add host again on new vc ?

is there any way to export vc config and imprt for diff datacenter we have on vc?
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patronTechnical consultant Author Commented:
please advice
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
1. Add the License Server to VC 4.1.
2. Remove ESXi 3.5 hosts from VC 3.5.
3. Add ESXi 3.5 Hosts to VC 4.1.

You will need to re-create VC 4.1 configuration, export is not supported.
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patronTechnical consultant Author Commented:
and is it possible to proviide perf data during we migrate vc form existing vc 4.1 to another vc 4.1
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I'm afraid not.
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patronTechnical consultant Author Commented:
pls advice , as in that case,we may need to confirm with user that we ll not be able to provide perf date form earlier vc and for earlier time

or if any way to get that data form earlier vc/vc's db
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
the only way is to use the existing vCenter Database, and move it, and then use the existing database and upgrade, but if you move VMs and Hosts from the database, they will be no performance reference to lookup the data.
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patronTechnical consultant Author Commented:
have to move 3 datcenter for 20 esx 3.5 host running approx 250 Vms now managed by vc 4.1
,also managing esx/esxi 4.1 by same vc4.1

so before we go for upgrade for esxi 4.1,need to move all 3.5 stuff to new vc 4.1 ll only have 3.5

pls advice if any downtime for any of running enviornmnet ?

and how to manage for ressource crunch if any during vc mouvement ?

can we configure new db instance, so that we can also have earalier pef data for those esx 3.5
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
there is no downtime, moving hosts to new vCenter Server.

The VMs are staying in the Hosts, you will have to monitor and manage through vCenter Server.

As for performance data it will be lost, unless you upgrade VC 3.5 to VC 4.1.
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patronTechnical consultant Author Commented:
there is no vc 3.5,my host already running on vc 4.1 ,its just move form one vc to another vc of same version 4.1
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
okay, just remove hosts and add hosts to other VC 4.1.

you will lose the performance data, you cannot merge VC databases.
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patronTechnical consultant Author Commented:
Thanks,

Please share any url/doc describing best approach for upgrade and designing
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
VMware vSphere 4.1 Documentation

VMware vSphere 4.1 Documentation Index

Hardware, Software, and Guest Operating System Compatibility Information


Hardware Compatibility Guide

Configuration Maximums for VMware vSphere 4.1

VMware vSphere Compatibility Matrixes

Guest Operating System Compatibility Guide

Main System Administrator Documentation Set

First published on 13 Jul 2010 for ESXi 4.1 Embedded Build 260247 and vCenter Server 4.1 Build 259021


Getting Started with ESXi Installable

ESXi Installable and vCenter Server Setup Guide

Upgrade Guide
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patronTechnical consultant Author Commented:
Thanks for sharing such good docs here, here my approach is now m running 3.5 and 4.1 on vc 4.1

and trying to move only 4.1 to new vc 4.1, so that all can be easily migrated to 5. 1 direct

No touch to existing vc and 3.5 setup

Please advice best approach for running config of 4.1 only on vc 4.1

how can i proceed with minimal downtime to upgrade start form vc 4.1 to vc 5.1, so that running stuff on this vc will not be affected ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You will need to move all the VMs from 3.5 to 4.1.
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patronTechnical consultant Author Commented:
Thanks
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