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Tag: MTU

Rescan All Hangs ESXi

I ran into a interesting problem the other day. I was brought into an environment that had a pair of ESXi 5.1 hosts connected to an iSCSI datastore. One host could see and access the datastore without issue while the other host showed no datastore attached. Per the administrator both hosts had been mounted to the datastore and the claim was that the environment had not be touched/changed in any way.
What was going on and how can you fix it?