iSCSI SAN performance woes with VMware ESX 3.5
We filed support requests with IBM and VMware and went through a very lengthy process without any results. Each of our hosts had the following iSCSI HBAs: QLA4010 QLA4050C A while ago we found out QLA4010 is not on the ESX 3.5 HCL even though it runs with a legacy driver. As our virtual environment grew we noticed storage performance lagging. This was particularly evident with our Oracle 10G Database server running our staging instance of Banner Operational Data Store....