Can single ESXi host make use of two separete iSCSI box

iscsitruenasvmware-esxi

I have problem with using multiply iSCSI targets with single ESXi host (in my case they are two FreeNAS hosts, but I suspect that this problem will occur with any two iSCSI box of that same type/model). If I configure two FreeNAS hosts as iSCSI targets (say iSCSI A and iSCSI B), then I can use both of them with my ESXi host, but only one at a time (i.e only iSCSI A or only iSCSI B, but not both of them simultaneously). If I try to add second iSCSI target to my iSCSI adapter (of course it has unique iqn name), then in a details pane of this adapter (it is iSCSI software adapter), I see that total number of paths has increased accordingly, but not total number of devices (so I can't use it as another storage).

What should I do? It is impossible to attach two iSCSI targets to single adapter?
I'm using free version of ESXi 4.1. Maybe it is an limitation of free version?

Thanks in advance for any sugestion.

Best Answer

Yes, you can have 128 different iSCSI LUNs per ESX4 host (might be 255 with 4.1 actually), any of which be from the same or multiple iSCSI sources, it's obviously a FreeNAS or implementation issue.