we are currently using a NetApp FAS2050. At the moment, we have 2 volumes for the VMDK LUNs without data dedup. Is it useful to make just one volume for all the VMDKs and activate data dedup? (Basically we have Windows 2003 Servers and a few Linux distributions running) Are there any disadvantages which we should know?
what about multipathing? are there any benefits in using more LUNs for the same volume as in using only one LUN?
As written down in the documentation, NetApp recommends a one-to-one alignment of VMware datastores to flexible volumes. Since I have changed our environment to this (1 LUN -> 1 Volume), I get the following message in vSphere Client: