1.6. Feature Compatibility Support
1.6. Feature Compatibility Support Red Hat Gluster Storage supports a number of features. Most features are supported with other features, but there are some exceptions. This section clearly identifies which features are supported and compatible with other features to help you in planning your Red Hat Gluster Storage deployment. Important Virtual Data Optimizer (VDO) volumes, which are supported in Red Hat Enterprise Linux 7.5, are not currently supported in Red Hat Gluster Storage. VDO is supported only when used as part of Red Hat Hyperconverged Infrastructure for Virtualization 2.0. See Understanding VDO for more information. Features in the following table are supported from the specified version and later. Table 1.4. Features supported by Red Hat Gluster Storage version Feature Version Arbiter bricks 3.2 Bitrot detection 3.1 Erasure coding 3.1 Google Compute Engine 3.1.3 Metadata caching 3.2 Microsoft Azure 3.1.3 NFS version 4 3.1 SELinux 3.1 Sharding 3.2.0 Snapshots 3.0 Snapshots, cloning 3.1.3 Snapshots, user-serviceable 3.0.3 Tiering (Deprecated) 3.1.2 Volume Shadow Copy (VSS) 3.1.3 Table 1.5. Features supported by volume type Volume Type Sharding Tiering (Deprecated) Quota Snapshots Geo-Rep Bitrot Arbitrated-Replicated Yes No Yes Yes Yes Yes Distributed No Yes Yes Yes Yes Yes Distributed-Dispersed No Yes Yes Yes Yes Yes Distributed-Replicated Yes Yes Yes Yes Yes Yes Replicated Yes Yes Yes Yes Yes Yes Sharded N/A No No No Yes No Tiered (Deprecated) No N/A Limited [a] Limited [a] Limited [a] Limited [a] [a] See Tiering Limitations in the Red Hat Gluster Storage 3.5 Administration Guide for details. Note Red Hat Gluster Storage is not supported on Red Hat Enterprise Linux 6 (RHEL 6) from 3.5 Batch Update 1 onwards. Table 1.6. Features supported by client protocol Feature FUSE Gluster-NFS NFS-Ganesha SMB Arbiter Yes Yes Yes Yes Bitrot detection Yes Yes No Yes dm-cache Yes Yes Yes Yes Encryption (TLS-SSL) Yes Yes Yes Yes Erasure coding Yes Yes Yes Yes Export subdirectory Yes Yes Yes N/A Geo-replication Yes Yes Yes Yes Quota (Deprecated) Warning Using QUOTA feature is considered to be deprecated in Red Hat Gluster Storage 3.5.3. Red Hat no longer recommends to use this feature and does not support it on new deployments and existing deployments that upgrade to Red Hat Gluster Storage 3.5.3. Yes Yes Yes Yes RDMA (Deprecated) Warning Using RDMA as a transport protocol is considered deprecated in Red Hat Gluster Storage 3.5. Red Hat no longer recommends the use of this feature, and does not support it on new deployments and existing deployments that upgrade to Red Hat Gluster Storage 3.5.3. Yes No No No Snapshots Yes Yes Yes Yes Snapshot cloning Yes Yes Yes Yes Snapshot mount Yes No No No Tiering (Deprecated) Warning Using tiering feature is considered deprecated in Red Hat Gluster Storage 3.5. Red Hat no longer recommends the use of this feature, and does not support it on new deployments and existing deployments that upgrade to Red Hat Gluster Storage 3.5.3. Yes Yes N/A N/A