Which part of the XtremIO architecture do host ports use to access an XtremIO volume?
All XtremIO's enterprise features (including Inline Data Reduction, snapshots, XDP, HA, etc.) have been developed as part of the scale-out architecture. All data and metadata are evenly distributed across the entire cluster. I/Os are admitted to the array via all the host ports, utilizing SAN zones and multi-pathing.
References: Introduction to the EMC XtremIO STORAGE ARRAY (April 2015), page 39
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