Redundant Shards Binary Provider

The redundant-shards template is used for pure sharding configuration that uses 2 physical mounts with 2 copies (which means each shard stores a copy of each artifact). To learn more about the different sharding capabilities, refer to Filestore Sharding.

redundant-shards template configuration

If you choose to use the redundant-shards template, your binarystore.xml configuration file should look like this:

<config version="4">
    <chain template="redundant-shards"/>
</config>

What's in the template?

While you do not need to configure anything else in your binarystore.xml, this is what the redundant-shards template looks like under the hood.

<chain> <!-- template="redundant-shards" -->
    <provider id="cache-fs" type="cache-fs">
        <provider id="sharding" type="sharding">
            <redundancy>2</redundancy>
            <sub-provider id="shard-state-aware-1" type="state-aware"/>
            <sub-provider id="shard-state-aware-2" type="state-aware"/>
        </provider>
    </provider>
</chain>

<provider id="shard-state-aware-1" type="state-aware">
    <fileStoreDir>shard-state-aware-1</fileStoreDir>
</provider>
<provider id="shard-state-aware-2" type="state-aware">
    <fileStoreDir>shard-state-aware-2</fileStoreDir>
</provider>

For details about the sharding provider see Configure a Sharding Binary Provider.

For details about the state-aware sub-provider, see State-Aware Binary Provider.