I have 1 vsphere 4.0 server controlling all of this.
2 ESX 4.0
1 ESX 3.5
1 Openfiler iscsi with two targets each 450GB.
I have the ESX machines and the openfiler connected to a Flat network on a Gigabit switch.
Then all of the machines are connected to a gigabit switch on the main network with different NICS.
The problem I am having is I can get the iscsi setup on two ESX hosts at once, but when I try to get the 3rd machine to map the LUN it just says there is none available. I see the two disks under the storage adapter tab, but when I go to the Storage tab and look at the datastores it only shows the local disk. I do a rescan and when it completes it comes back with only the local datastore.
I have rebooted the Openfiler server and the ESX hosts in question. However when they come up a different 2 ESX servers will have the iscsi datastore mapped.
I am going batty trying to figure out why only two ESX hosts can have the iscsi attached? I want to use this for VMotion and have had it working in the past with just two ESX Hosts.
heres some tech guides for proper connection of multiple ESX servers to iSCSI hosts. It isnt all that different from NAS to NAS, or from ESXi to ESX so both should illuminate the proper steps, you will
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