Normal distributed vSwitch using and migration of vSwitch

Hi people,

As at the present time I intend to migrate my ESX and ESXi 4.1 in ESXi 5.1 update 1, I wonder if my expectations using DVS is correct.

I have more than 40-50 VM hosts of joint enterprise & Enterprise Plus (soon to ESXi 5.1u1) managed with VCenter 4 x single Stand Standard 5.1 U1 so to simplify configuring vSwitches, can we establish the DVS?

To join and implement the DVS, makes ESXi hosts each must have the same number on rising Teddy?

How can I put all my vSwitches in DVS without causing any major downtime for the current production running VMS?

With the help of DVS can make life easier restore network settings when a particular ESXi host is unable to start because of a hardware problem or does not upgrade?

If anyone can help me with the question above that would be greatly appreciated.

Thank you

Well, we will try to address all here...

1. you can only have DVS on ESX servers with Enterprise Plus licenses. Any other license does not support the DVS. Anyway, you can create a DVS where participate only the Enterprise hosts more under license.

2. the DVS facilitates network management when you have many servers ESX os - if you need to create/modify a GROUP of ports, you don't have no need to go on each ESX Server on your cluster/DC, the configuration is "replicated".

3. the guests didn't need to have the same number of uplink, but they * must * have the same number of uplink dedicated to the DVS, in order to avoid configuration problems (if you force a dvPortGroup use a spacific dvUplink and one of the hosts has no network cards on this dvUplink, communication fails when a virtual machine is on this defective ESX).

4 Yf you have spare NICs on your system, you can attach them to the DVS and simply change the portgroup on each virtual machine configuration (there are assistants who can help you to do this on all the virtual machines at the same time for a given portgroup). After that, you can reacomodate the network cards on the DVSs.

5 DVS are hell for troubleshooting if you get in the case that a problem happens with bonds rising and much more if the ESX management relates to the DVS.

I hope this helps understand better DVS

Tags: VMware

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