Problems DELL SAS MD3000 ESXi 4.1 U1

We run a Vmware Cluster 2 node. This configuration 2 non-redundant host with 2 single port in the DELL MD3000 raid controllers. Each node has a single cable to its own port unique on the MD3000 raid controller. There is a shared LUN that the two hosts using as a common data store.

The problem is that on the two hosts 2 we contstant receive advice such as:

"Path frequent changes of State are producing for the vmhba2:C0:T0:L3 path." This may indicate a problem of storage. "Device assigned:

These comments that we receive on the two hosts ESXi. Performance of the guests is very poor.

For a test on a single host, I moved all the VMS to a secondary data store (iSCSI). Performance in events where to go after this problem. But when I start to go trough the client data store vSphere problems appear almost instantly.

It seems that the 2 controllers are fighting for control of records

Does anyone have a tip or a solution?

Check this http://kb.vmware.com/kb/1020692 Ko

Tags: VMware

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