About: http://webisa.webdatacommons.org/405666749

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This difference is particularly noticeable immediately after a pool is created, as a significant amount of I/O is done directly to the disks as part of pool creation, which is not accounted for at the mirror level.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net