What is a major difference between HDFS and GPFS-FPO?

A.
There is no difference, GPFS-FPO is just IBM version of HDFS in BigInsights.

B.
There is no difference, as GPFS-FPO is the new open source standard version for the Hadoop file
system.

C.
Unlike HDFS, GPFS-FPO is a kernel level, POSIX compliant, and highly available file system that
allows for standard applications to also use the storage area marked for Hadoop use.

D.
Unlike HDFS, GPFS-FPO is a kernel level, POSIX compliant file system that allows for standard
applications to also use the storage area marked for Hadoop use. Like HDFS, GPFS-FPO also has an
issue with the meta data name node service which may be a single point of failure.