Unverified88% confidenceDecision RuleTime unknown
选择NAS盘位数应遵循'N+1'原则:实际存储需求所需盘数量再加1块作为冗余盘。例如需要2块盘容量则至少选4盘位,为SHR/RAID5/RAID6扩容和容错留余量
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
Unverified首次购买NAS建议直接选4盘位而非2盘位,2盘位RAID1只能镜像浪费一半容量且无扩展余地,4盘位可组RAID5/SHR只损失一块盘容量,长期性价比更高81% similarUnverifiedNAS存储方案标准路径:①确定盘位数与总容量需求 → ②按盘位规模选年负载等级(家用180TB/企业300TB) → ③锁定CMR认证盘 → ④选容量甜点区(8-16TB) → ⑤混批次采购 → ⑥搭配RAID级别(重要数据RAID6,配合定期外部备份而非依赖RAID)80% similarUnverified选购NAS盘位数量时,2盘位适合影音备份等轻度需求(RAID1提供容错),4盘位是家庭多媒体+多用户场景的甜点区,可组RAID5兼顾容量与冗余;家庭用户超过6盘位往往过度投资80% similarUnverified首次购入NAS且以照片/文档备份、影音串流为主,选4盘位比2盘位更合理:2盘位组RAID1后仅剩单盘容量且无法平滑扩容,4盘位可组RAID5兼顾容量利用率与冗余79% similarUnverified要做RAID5至少需要3块盘,4盘位是RAID5的实用起点(3盘做阵列+扩展空间);2盘位只能做RAID1,容量利用率仅50%79% similar
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