Solution Matrix

	Scale-Up	Scale-Out	Scale-Out
Solution	SAN / NAS Systems	Scale-Out Block & Object Storage	Scale-Out File Storage
File System	ZFS	Ceph	Gluster
Protocol Support	Block Storage (iSCSI / FibreChannel) File Storage (CIFS/NFS/SMB)	Block Storage (iSCSI) Object Storage (S3/Swift)	File Storage (CIFS/NFS)
File System Features	Snapshots / Bit-rot protection Remote Replication / Compression	Erasure-coding and replica-based data distribution for high availability and fault-tolerance	Highly-available file storage suitable for archive applications with lower performance requirements. Each NAS Archive cluster must contain a minimum of 3x systems.
Benefits	Lower latency / Lower $/TB hardware costs	Greater expandability within a single namespace	Greater expandability within a single namespace
Workload	Virtualization / Databases / High-performance Compute / Archive / Media Editing	Virtualization / Archive / Unstructured Data	Archive storage only
Architecture	Standalone servers, with unified grid management	Clustered servers, min 3xUnified grid management	Clustered servers, min 3 xUnified grid management
Performance	Between 400MB/sec and 1.6GB/sec,depending on block size and number of disk;adding SSD will increase IOPS to 10k-20k;all-flash systems will deliver 100k+ sustained R/W IOPS	Between 400MB/sec and 1.2GB/sec,depending on block size;adding servers will boost performance	Adding systems or SSDs will boost performance. Small 3x system configurations will deliver between 400MB/sec and 1.2GB/sec sequential throughput depending on block size and number of concurrent client connections. Erasure-coding is recommended for best write performance and replica mode is recommended for best read performance.
Grids	SAN/NAS configurations can scale up to 432 TB raw by adding HDD to a 36-bay storage server	Scale-Out configurations can scale up to multi-petabyte in size by adding new servers to the QS grid	Scale-Out configurations can scale up to multi-petabyte in size by adding new servers to the QS grid
Reference Configuration	SAN/NAS Storage Servers	Scale-out Block Storage Scale-out Object Storage	Scale-out NAS Archive Storage