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Table of Contents

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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.

Info
titleBest practice for upgrades

 Unless you need to remain on older versions of Elasticsearch and Content Gateway, upgrade all of the Swarm components to the versions included in your Swarm bundle.

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ComponentConfiguration 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 UISet the Swarm Search feed to have a 1 second Batch Timeout

Elasticsearch

In the Elasticsearch configuration (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 only)
  • Add: script.inline: true (use with ES 2.3.3 and 5.6.12 only)
SearchUpgrade to the latest Search RPM when you upgrade Storage.
Gateway

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

Content UIRecommended 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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