2 Replies Latest reply: Aug 29, 2013 5:48 PM by netappmagic RSS

NFS datastore vs Lun datastore

netappmagic
Currently Being Moderated

in NFS datastores, each virtual disk file has its own I/O queue directly managed by the NetApp FAS system.

in LUN datastores, it doesn’t natively allow a storage array to identify the I/O load generated by an individual VM.

 

Would you please explore these two statements more? I could not fully understand them. In NFS, please explain to me in detail or by example on how I/O queue directly managed by a filer.

Why in LUN datastores the filer cann't identify the I/O load?

Also, in a "best practice" document, it says that virtual disks could be connected to all nodes in the clustter but is only accessed by a single VM, i thought it could be shared which means it could be access by multiple VM's.

 

Thanks for your inputs.

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