VPLEX leverages Dell EMC’s common hardware design now employed in the VNX and the Symmetrix VMAX. The hardware has the identical form factor, with I/O connection differences from the other products. The embedded software (firmware) running on VPLEX is known as GeoSynchrony. The distributed caching design of VPLEX originated with startup YottaYotta, which was acquired by Dell EMC in September 2008.
VPLEX systems may be joined together into an architecture that joins or federates multiple systems together. Federation is also known as loose clustering or a shared nothing cluster. This type of architecture allows a single copy of data to be shared, accessed, or relocated anywhere within the federation, regardless of location. Each node in the VPLEX system maintains a map of where data is located. No data or resources are shared between the clustered nodes; instead, the mapping table provides a reference to where specific data is located.
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