VMWare ESX and guest settings for Netapp cluster failover

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http://serverfault.com – If I'm running VMWare 5.x on FC [edit] LUNs presented from a Netapp running ontap 8.x in 7 mode, what steps should I take to ensure that the VMs can withstand a worst possible case cluster node failover? HBA settings? ESX settings? Modifications to the VMs' settings? I know this is all handled with the host kit from Netapp, but we want to know what it's doing and/or do it ourselves. A cf takeover on Netapp is usually quite fast, but can in some cases run up to 3 minutes. (HowTos)