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Multipart write requires erasure coding (EC). The health processor (HP) has the ability to consolidate segments of erasure-coded objects with sub-optimal segment usage, as can happen when performing SCSP or S3 multipart writes of objects using small parts. DataCore recommends configuring clients to use 50MB-100MB parts. Set the configuration setting, ec.segmentConsolidationFrequency, to 10 (recommended), which performs all consolidations over 20 HP cycles if consolidation is needed.

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Every multipart write must be erasure-coded for upload; however, the HP converts it to a replicated object if the uploaded object does not meet the current policy for EC encoding. Add a lifepoint to that effect to maintain erasure coding for the lifetime of the object.

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