ESXi 5.1 cluster moving to new hardware

I have a 5.1 ESXi cluster consisting of 2 servers of Sun I want to retire - Sun #2 is the best of the 2 servers.   I all 2 new Dell R620 stretched upward, wired and pre-loaded with 5.1 U1.  My license is for 4 and vCenter is a virtual machine in the cluster, I want all moved to new hardware with little or no interruption of service.

This would be the way to go?

1. set up Dell and storage server configuration networking properly (I am comfortable with this part).

2 migrate all virtual machines to Sun 2.

3. close the Sun 1 and remove the cluster

4. Add 1 Dell to the cluster

5 move the VM to Dell 1

6. switch off the Sun Deceiver 2 and remove the cluster

7. Add 2 Dell and move virtual machines as you wish.

Sun servers were not identical, then the VCA mode is Intel "Penryn".    The specs say that future Intel processors can join to this group, so it is not a problem running 1 Dell and 1 Sun temporarily, correct?  The r.620 are the same, so as soon as they are both in the cluster can / disable CVS mode?    I have to restart each VM later so he would see the new processor features, correct?

Is this what I need to look at.

Thanks in advance for your answers.

You can do a lot of ways, but I would recommend not to remove the beam #1 sunlight until you are 100% made to the migration. Which leaves you exposed from the point of view HA (assuming that it is production, since you want little downtime), and is an unnecessary step. RELATIVE to the issuance of licenses, since this is a migration of right, keep the r.620 in eval mode and change the licensing of more later. Which allows to rotate the environment MUCH easier.

Here's what I'd do (emulation of your list)

(1) Networking Setup / storage on r.620, to be compatible with the old SUN servers.

(2) to present the cluster r.620

(3) to migrate a low priority / test VM networking, testing vMotion and new hosts.

(4) to migrate most of the virtual machine the new hosts.

(5) migrate vCenter last VM (just to be safe)

(6) put SUN 1 and 2 in maintenance mode. Leave them in the cluster for a few days just in case

(7) remove SUN 1/2 cluster once everything works well, remove the former hosts of vCenter and closed. Clean a network configuration and storage, respectively (be careful here).

(8) stimulus EVC Mode at the highest level appropriate (Sandy Bridge, I guess).

(9) it is important, read closely. If you want to increase the level of CEV, after former guests are completely gone and dead, completely off each VM, a power back on. This will raise the functional level of CVS to the new level. Simply restart the guest OS won't do it. You can check by going to display hosts and clusters > VMS > add column EVC.

Jon

Tags: VMware

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