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multipathing on esxi 4.1

Will additng 2 nics to an iscsi port group in esxi 4.1 create automatic failover issues in a multipathing scenario?

Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

Are you adding two teamed NICs to a virtual switch which contains the VMkernel Portgroup?

ENTPF

ASKER

yes

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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

That should be okay, because the NICs are teamed, with the same IP address.

This is load balancing, just make sure you use Load Balance based on IP Hash, and make changes to the switch to provide, channel group, etherchannel or trunk.

But this is not multipath. This is load balanced teamed NICs.

Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

If you want to read more on networking in VMware ESXi, then I recommend the following:-

I would also recommend reading through the Networking Sections of the following guides to gain a better understanding of Networking in VMware ESX/ESXi.

Pages 13 - 73 Discuss Networking in Detail, iuncluding trunks, VLANs, switches, and load balancing

ESXi Configuration Guide ESXi 4.1

http://www.vmware.com/pdf/vsphere4/r41/vsp_41_esxi_server_config.pdf

Virtual Networking

http://www.vmware.com/technical-resources/virtual-networking/virtual-networks.html

Virtual Networking Concepts

http://www.vmware.com/files/pdf/virtual_networking_concepts.pdf