Unverified50% confidenceDecision RuleTime unknown

NAS盘必须选CMR（叠瓦为SMR）写入方式，SMR盘在RAID重建或大量随机写入时会出现掉盘、超时甚至被RAID标记为故障，希捷酷狼系列全线CMR，西数红盘WD Red（EFAX结尾）部分型号为SMR需避开，选WD Red Plus/Pro（EFRX/EFPX结尾）才是CMR

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50%

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Long-term

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First Seen

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NAS硬盘category

Related Claims

UnverifiedNAS/RAID阵列硬盘应选CMR（传统磁记录）盘而非SMR（叠瓦式），SMR盘在RAID重建或大量随机写入时性能会骤降甚至导致ZFS/mdadm重建超时踢盘，西数WD Red（非Plus/Pro）曾因隐瞒SMR引发数据风险85% similar

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