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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.
| 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 | 3.1.2 |
| Volume Shadow Copy (VSS) | 3.1.3 |
| Volume Type | Sharding | Tiering | 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 | No | N/A | Limited[a] | Limited[a] | Limited[a] | Limited[a] |
[a]
See Section 17.3. Tiering Limitations in the Red Hat Gluster Storage 3.4 Administration Guide for details.
| ||||||
| Feature | FUSE | Gluster-NFS | NFS-Ganesha | SMB | Swift/S3 |
|---|---|---|---|---|---|
| Arbiter | Yes | Yes | Yes | Yes | No |
| Bitrot detection | Yes | Yes | No | Yes | No |
| dm-cache | Yes | Yes | Yes | Yes | Yes |
| Encryption (TLS-SSL) | Yes | Yes | Yes | Yes | No |
| Erasure coding | Yes | Yes | Yes | Yes | No |
| Export subdirectory | Yes | Yes | Yes | N/A | N/A |
| Geo-replication | Yes | Yes | Yes | Yes | Yes |
| Quota | Yes | Yes | Yes | Yes | No |
| RDMA | Yes | No | No | No | N/A |
| Snapshots | Yes | Yes | Yes | Yes | Yes |
| Snapshot cloning | Yes | Yes | Yes | Yes | Yes |
| Tiering | Yes | Yes | N/A | N/A | N/A |
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