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"The licensing is based on the number of terabytes."
"The licensing model is complex and depends on factors such as the number of processing cores and the amount of storage."
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DDN's Infinite Memory Engine (IME) is a scale-out, software-defined, flash storage platform that streamlines the data path for application I/O. IME interfaces directly to applications and secures I/O via a data path that eliminates file system bottlenecks.
DDN IME is ranked 30th in Software Defined Storage (SDS) while IBM Spectrum Scale is ranked 11th in Software Defined Storage (SDS) with 4 reviews. DDN IME is rated 0.0, while IBM Spectrum Scale is rated 8.0. On the other hand, the top reviewer of IBM Spectrum Scale writes "Storage system with good performance that has GPFS monitoring and NFS support". DDN IME is most compared with , whereas IBM Spectrum Scale is most compared with Red Hat Ceph Storage, Red Hat Gluster Storage, VMware vSAN, NetApp Cloud Volumes ONTAP and Scality RING8.
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