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vSphere 5.0 upgrade with new hosts
Hi,
I wanted to give my scneraio here for some advice. I currently have a vSphere 4.1 Ent. setup with 2 hosts and a SAN. Everything has been working great. We are wanting to upgrade to vSphere Esxi 5.0 soon. I have actually already upgraded vCenter to 5.0 along with all modules. My current hosts are 4 years old so I am going to replace them with 2 new hosts with esxi 5.0. One of my questions is...at this this point can I simply replace my 2 old hosts and replace with the new ones? I should already be good with my licensing but my concern is the networking side of things. If I simply replace can I just go into vCenter and reconfigure the networking for these hosts or do I need to pre-configure the host before implementation? My 2 new hosts will have 8 NICs and my current ones only have 6 NICs. I thought maybe I could team my production network with 4 NICs versus 2. Any thoughts on this is appreciated. We are a small biz so I want to keep as simple as possible. Just not sure how vCenter will recognize two replaced hosts...
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Since you are able to vMotion between vSphere 4 and vSphere 5 witth vCenter 5 - I would go ahead build out the new ESXi 5 hosts configuring the networking to provide similar access tot he vSphere environment and vmotion your VMs to the new environment and upfrading the virtual hardware/vmfs datastores as needed -
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That's a good idea however I don't have the ports available on my storage network iscsi switches. Maybe I can bring these new servers up independently and configure them and then drop them into place when ready? My two iscsi storage switches are only 8 ports each. Maybe this is a good time to upgrade switches as well.
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That is a shame - Would you be able to run all your VMs on a single host? maybe off hoours when your could shut odwn non-essential VMs - shut down one of the hosts build the new machine connetcing it to the SAN vmotion the running vms to the new host and build the seoncd new host and restart non-essential vms and rebalnce across both hosts -
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That's probably what I am going to end up doing at this point unless I drop in a couple of new switches. Thanks.