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Following are the Swarm packages that work with and comprise SwarmFS. Download the latest bundle from the Downloads section on the DataCore Support Portal.

Tip

Best Practice for Upgrades

Upgrade all Swarm components to the versions included in the Swarm bundle unless older versions of Elasticsearch and Content Gateway need to remain.

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Component

Configuration Requirements

Storage

Enable Erasure Coding (EC) - see Configuring Cluster Policies

Enable Overlay Index: index.overlayEnabled= true  - see Configuring the Overlay Index

Enable Replicate on Write (ROW)  - see Configuring ROW Replicate On Write

Set ec.segmentConsolidationFrequency=100 (Caution: Do not allow the cluster to run near capacity.)

Set health.parallelWriteTimeout (v10.0+) to a non-zero value, such as 1209600 (2 weeks).

Storage UI

Set the Swarm Search feed to have a 1 second Batch Timeout

Elasticsearch

In the Configuring Elasticsearch (config/elasticsearch.yml), make changes needed for SwarmFS:

  • Remove: filter: lowercase 
    (case-insensitive metadata searching in Swarm is incompatible with SwarmFS)

  • Remove:script.indexed: true(use with ES 2.3.3)

  • Add: script.inline: true (use with ES 2.3.3 and 5.6.12)

Search

Upgrade to the latest Search RPM when upgrading Storage.

Gateway

SwarmFS can be deployed onto the same Linux server as the Content Gateway.

Content UI

Recommended for viewing and managing objects in the Swarm cluster.

NFS

Do not install SwarmFS server on the same host as Elasticsearch.

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  1. Install one or more SwarmFS servers for NFS 4 on designated hardware. See SwarmFS Server Installation.

  2. Create the exports needed for the implementation. See SwarmFS Export Configuration.

Info

Tip

The same bucket can be exported more than once, each with values (such as Read buffer size) optimized for a type of usage. Then point clients and applications to the share best matching the workload.

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