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Showing posts from March, 2010

Alua - Asymmetric Logical unit access

- industry standard protocol that enables the communication of storage paths and path characteristics between an initiator port and a target port. If your storage array is ALUA compliant (as NetApp arrays are) then you’re in luck because the vSphere NMP is, by default, ALUA aware. To enable Aula the igroups must be changed on each controller in the cluster igroup set "igroupname" alua yes Install ESX host utilities from netapp and run config_mpath -s -m -a netappcontroller:root:password -a netappcontroller:root:password This will enable round robin. Round robin will allow for proper load balancing mult pathing esxcli nmp device list on each ESX host to ensure RR and Aula are working http://now.netapp.com/NOW/knowledge/docs/ontap/rel732_vs/html/ontap/bsag/GUID-EB9DBAE9-1E88-4421-9D02-FD820589515D.html