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StorageGRID 中的意外空间开销

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适用于

  • StorageGRID
  • EC 2+1
  • Fabric Pool
  • 均衡写入行为

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问题解答

  • StorageGRID 配置了 ILM（信息生命周期管理）规则，以便对大于 200KB 的对象使用 EC2+1 擦除编码。但是，当网格节点没有足够的空间来满足 ILM 要求时，由于缺乏可用空间和合格节点，系统无法满足 EC2+1 规则。
  • 因此，对象开始作为 dual commit 接收，该方式将对象存储为两个复制副本。此复制副本策略导致 100% 的空间开销（即，每个对象存储两次）。
  • 此行为旨在确保无法满足首选擦除编码策略时的数据持久性。 

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追加信息

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