IBM Spectrum Scale usage restrictions

This version does not support the following features of IBM Spectrum Scale:

Protocol support, including the use of Cluster Export Services (CES) nodes and protocol access such as Network File System (NFS), Object, and Server Message Block (SMB)
Transparent Cloud Tiering (TCT)
Compression
Encryption
Data Management API (DMAPI) support, including Hierarchical Storage Management (HSM) to tape
Hadoop Distributed File System (HDFS) connector support
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Multi-cluster support: Exporting an IBM Spectrum Scale file system from one IBM Spectrum Scale cluster to another IBM Spectrum Scale
User name space management and quota management
Snapshots and clones

Additional limitations include the following:

Using EBS volume encryption for IBM Spectrum Scale file systems is not supported.
The archiving and restoring of IBM Spectrum Scale data through the use of AWS services is not supported.