IBM Cloud 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	CephFS (Q319)
Protocol Support	Block Storage (iSCSI) File Storage (CIFS/NFS/SMB)	Block Storage (iSCSI) Object Storage (S3/Swift)	File Storage (NFS)
Key Features	Snapshots, Bit-rot protection & correction, Remote Replication, Compression, Encryption	High-availability, Compression, Encryption	Single-namespace NAS, High-availability
System Count	Minimum 1 system	Minimum 3 systems per cluster	Minimum 3 systems per cluster
Benefits	Lower latency / Lower $/TB hardware costs	Greater expandability within a single namespace	Greater expandability within a single namespace
Workload	Virtualization / Databases / HPC Archive / Media Editing	Virtualization / Archive / Unstructured Data	Virtualization / Archive / Unstructured Data
High-availability Architecture	Use Remote-replication	Erasure-coding, Replicas	Erasure-coding, Replicas
Performance	Up to 1.6GB/sec R/W throughput per pool Network bandwidth limited (dual 10GbE) Hybrid IOPS 10k-30k All-flash IOPS 50K-100k+	Depends on server count ~400MB/sec per server with dual 10GbE Network bandwidth limited (dual 10GbE)	Depends on server count ~400MB/sec per server with dual 10GbE Network bandwidth limited (dual 10GbE) SSDs used to accelerate write performance.
Storage Grids	Up to 384TB raw per QuantaStor 36 bay server instance up to 64x servers per grid	Up to 10PB per cluster 30PB per grid using 36 bay server instances up to 64x servers per grid	Up to 10PB per cluster 30PB per grid using 36 bay server instances up to 64x servers per grid
Reference Configuration	IBM Cloud SAN/NAS Storage Servers	IBM Cloud Scale-out Block Storage IBM Cloud Scale-out Object Storage	IBM Cloud NAS Archive Storage