8
votes
6answers
29k views

VMware VMFS5 and LUN sizing - multiple smaller datastores, or 1 big datastore?

With VMFS5 no longer having the 2TB limit for a VMFS volume, I'm considering which scenario would be more beneficial overall:- Less LUNs of larger size, or More LUNs of smaller size. In my case, I ...
3
votes
4answers
2k views

ESX hosts lose connectivity with iSCSI SAN LUNs

I've been experiencing this issue for a couple of months now where my ESX hosts lose connectivity with my iSCSI SAN vmfs volumes. As a results the ESX hosts enter a nonresponsive mode the associated ...
1
vote
1answer
1k views

Is there a way to check to see if your VMFS partitions are aligned on storage?

I'm running ESX 3.5 currently, and about to set up 4.0 on a new HP EVA4400. Once the servers running 4.0 are up, I'll be migrating all of the 3.5 VMs over to the new datastores using Storage vMotion ...