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1.6. Feature Compatibility Support

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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 1.5. Features supported by Red Hat Gluster Storage version
FeatureVersion
Arbiter bricks3.2
Bitrot detection3.1
Erasure coding3.1
Google Compute Engine3.1.3
Metadata caching3.2
Microsoft Azure3.1.3
NFS version 43.1
SELinux3.1
Sharding3.2.0
Snapshots3.0
Snapshots, cloning3.1.3
Snapshots, user-serviceable3.0.3
Tiering3.1.2
Volume Shadow Copy (VSS)3.1.3
Table 1.6. Features supported by volume type
Volume TypeShardingTieringQuotaSnapshotsGeo-RepBitrot
Arbitrated-ReplicatedYesNoYesYesYesYes
DistributedNoYesYesYesYesYes
Distributed-DispersedNoYesYesYesYesYes
Distributed-ReplicatedYesYesYesYesYesYes
ReplicatedYesYesYesYesYesYes
ShardedN/ANoNoNoYesNo
TieredNoN/ALimited[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.
Table 1.7. Features supported by client protocol
FeatureFUSEGluster-NFSNFS-GaneshaSMBSwift/S3
ArbiterYesYesYesYesNo
Bitrot detectionYesYesNoYesNo
dm-cacheYesYesYesYesYes
Encryption (TLS-SSL)YesYesYesYesNo
Erasure codingYesYesYesYesNo
Export subdirectoryYesYesYesN/AN/A
Geo-replicationYesYesYesYesYes
QuotaYesYesYesYesNo
RDMAYesNoNoNoN/A
SnapshotsYesYesYesYesYes
Snapshot cloningYesYesYesYesYes
TieringYesYesN/AN/AN/A
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