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Best upgrade plan for ESXi 4.x to ESXi 5

Posted on 2012-08-27
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Last Modified: 2012-08-27
What would be the best action plan to do this while your vSphere server is a VM as well?  I have multiple clusters on 4.x that need to be upgraded to 5.0.
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Question by:tlouly
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LVL 124
ID: 38337900
You could complete an in-place upgrade of your vCenter Server 4.1, which will upgrade it to vSphere vCenter 5.0.

vSphere vCenter can manage ESX/ESXi 4.x.

Whilst the upgrade is in progress, HA will still function, but DRS if in use will be disabled, whilst the upgrade is in progress.

Is you current vSphere vCenter Server running 64 bit OS?

Once you have completed the VMware vSphere upgrade from 4.1 to 5.0, you can use Update Manager to update/upgrade your host ESXi 4.1 servers to ESXi 5.0.

if you have no Update Manager, you will have to use the VMware ISO from VMware, or download the OEM version from your vendors website for HP, IBM, Dell servers etc, boot from the ISO and complete in place upgrades or new installations.
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by:tlouly
ID: 38338183
My vSpere server is 64-bit and I already do have one cluster on 5.  So the update manager can upgrade the rest of the v4 clusters remotely?
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 800 total points
ID: 38338285
Yes, vSphere Update Manager can update your hosts from ESXi 4.x to ESXi 5.0. Just import the ESXi 5.0 Bundle Update into Update Manager.
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Author Comment

by:tlouly
ID: 38338570
It is asking for a 32-bit DSN when I try install the DB section. So update manager will not work with a 64-bit DB instance?  Is installing the SQL Express okay with the vCenter server DB on 64-bit instance while Update Mgr is on local SQL express 32-bit instance?
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LVL 124
ID: 38338580
Yes, it's odd, 64bit DSN for vCenter SQL database, but 32bit DSN for Update Manager.

Yes, it's supported.
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Author Comment

by:tlouly
ID: 38338595
So go ahead and install the local SQL Express 32-bit?   This DB is completely isolated from the vSphere DB?
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LVL 124
ID: 38338636
do you not currently use Update Manager?
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Author Comment

by:tlouly
ID: 38338682
No I do not have Update Manager installed.
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Author Comment

by:tlouly
ID: 38338706
hey hanccocka,

i got my answer.  it should be installed in it's own DB in 32bit DSN db aside from the vCenter DB.  

thx!
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LVL 124
ID: 38338724
Correct, no problems, good luck with upgrade.
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