Unverified93% confidenceDecision RuleTime unknown
16TB单盘容量意味着RAID重建时间很长(RAID 5下可能需要十几到数十小时),重建期间再坏一块盘会导致数据全丢,建议优先考虑RAID 6/RAID 10而非RAID 5
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93%
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Long-term
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Unverified大容量单盘(16TB+)与阵列安全性存在权衡:单盘越大,RAID重建耗时越长(可达1-3天),重建期间发生第二块盘故障的概率越高,因此大容量盘更推荐用RAID6而非RAID590% similarUnverified单盘容量≥8TB时优先选RAID 6而非RAID 5,因为大容量盘重建时间可达数十小时,重建期间阵列处于降级状态,此时若第二块盘故障将导致RAID 5全盘数据丢失88% similarUnverified组RAID的监控存储建议单盘不超过8TB或选企业级监控盘,因大容量盘重建时间长(8TB约20小时),RAID5重建期间再坏一块盘会全盘丢失87% similarUnverified单盘容量与阵列重建风险的权衡:单盘越大(如16TB以上)RAID重建时间越长(可达数天),期间第二块盘故障概率上升,大容量盘建议用RAID6而非RAID5以保留双盘冗余85% similarUnverified容量选择遵循预留原则:RAID可用容量约为总容量减去冗余盘,如4块8TB组RAID5可用约24TB,建议按实际需求的1.5倍预留,因为后期扩容需逐块替换重建耗时数天且有风险83% similar
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