Hello,  do not use block deduplication or compression for file LUNs. In the past any type of thin LUNs (a LUN with active block deduplication is converted to a thin LUN) were not supported for VNX File. I am not sure if this has changed in the meantime, but it is still highly recommended not to do it. Take a look the VNX Performance Best Practise Paper: [IMAGE] [IMAGE]  [URL]  Bye Robert
Hi All,  I wanna ask quick questions, what's better file level deduplication or block level deduplication then I create filesystem over deduped LUN?...Thank you
Ask about file level and block level deduplication