Running the software iSCSI on a different subnet than the management traffic

I hope I'm missing something obvious you smart people might be able to help with.

I am trying to put in place a small instance of vSphere using ESXi 4.0 Update 2 and unlike most of our environment, we use the iSCSI instead of fibre SAN storage.

The intention is to set up a network on subnet A, for management and Vmotion traffic which will have 2 natachasery attached.

We have a second 'B' allocated for iSCSI storage subnet and have 2 separate natachasery which will be implemented through two vSwitches, 1 Teddy for each.

We have implemented the switch management/vmotion on a subnet and, of course, the default for this subnet gateway entry when asked.

The iSCSI subnet naturally has a different gateway and so when I entered IP address on subnet B in the port of core, it seems always trying to route through the gateway to subnet an attack to storage not being is not visible.

We have verified that the problem is not with the storage or the ESXi put in place by proving that if we give the iSCSI port IP subnet A (and also the storage) then we can see storage without problems - simply, the question seems to be everywhere to try to operate on a completely isolated subnet.

Isolation of storage traffic is a customer demand, and not something that we cannot ignore.

Anyone know if it's possible (and if so what should I do to solve the problem) OR should we look for to move to ESX Classis and use his ability to use 2 different gateways?

I feel that I must be missing something pretty obvious I don't know there must be a way to achieve segregation of traffic on subnets for the other core activities such as vmotion, fault tolerance and management traffic.

There is only one door of entry for VMkernel, then you can separate VMotion / iSCSI / fault tolerance than if not routable subnets, i.e. all hosts on the same subnet.

---

MCSA, MCTS Hyper-V, VCP 3/4, VMware vExpert

http://blog.vadmin.ru

Tags: VMware

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