哪种*MR最适合 下毛片了？存了也不删，只看一两遍
据说CMR稳定性最好 最贵? SMR性价比最高？
我听说的是NAS对数据安全性要求更高，所以在品控时更严格所以导致良品率低，所以贵，品控不符合nas要求的就会贴成企业版或者更低的家用版出售。
nas盘质量比企业盘更好？这话你骗骗兄弟可以，别把自己也骗到了就行。
纯粹就是买nas还非要用nas盘的人在交智商税而已。
硬盘厂现在全都穷到靠binning过活。硬盘从同一条生产线上下来，符合什么标准就打什么标签。消费级就别夸了，都是企业级挑过不要的。
硬盘厂都一样，都是掉钱眼里的坏蛋
Simple reds were just green re-painted with a fluff of marketing, because they were getting a bad name for being slow (important as regular spinning drives were used for the OS, swap, scratch drive for Photoshop, everything). It was something like “your NAS is anyway gigabit or less, and usually can’t even fill the gigabit because of pathetic CPU and samba overhead, take this slow drive and be happy”.
Note that as opposed to what many people said about the greens they were relatively decent drives, plus:
at times they were the highest capacity drives available, from any manufacturer. Imagine you’d get a 26TB green first, before any other color
in the early days NAS was specifically mentioned in the datasheet
they had 3 years of warranty before the crisis of hard drives from the end of 2011 made the manufacturers see people would pay even more for anything
Ever since the Reds were just tracking the cheapest technology WD could make1, plus a bit of marketing. There was no miracle that when they could make SMRs they made Red SMRs. And then promoted the old Reds to be called “Plus” (although they were the same old ones).
Pro is for people with more money than data.
1 no, the Blue aren’t the ones originally intended to be the lowest tier, they were 7200 RPM, nice drives. They repainted the Greens later to be Blue and now like the Red they track the cheapest technology WD can make including SMR, but that’s another story.
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所以我才说是听说，买的时候还是看价格的，不管标签，我也不是什么三字母机构，数据没这么重要。
我的简易NAS都是亚马孙 goHardDrive 买的店保二手盘。24小时开着挂PT。 5个盘23年买的其中有一个盘出问题了。更换直接email然后就给我label寄回去 没多久就收到更换的。
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这个deal又来了一波，这次有BH photo，有BH photo卡的同学可以酌情考虑免税。
这个可以和WD混用吗 
要组raid当然是不建议
我觉得问题不大
啊真的吗，一般来说组raid不是最好同容量同型号？
1周前B&H有24TB 280USD的优惠 里面是 EXOS 可惜没抢到
另外，slickdeals在为到底是CMR还是SMR吵了好多贴
单T还是这个230便宜一点点，不过我也还是更愿意买24T
应该是CMR
Shuck HDD大家怎么加密数据的？
前年搬家时，WD MyBook被偷。工人搬家时，有个戴帽子黑天使路人顺手牵羊了我的电脑和硬盘（行车记录仪拍到了）。硬盘里有全家人的资料、照片、银行密码等敏感信息，那一年我担心得要命。
研究过原厂的proprietary encryption，如果加密出问题，或没有密码，Data Recovery难度很大。结果这反而“救”了我一命——虽然被偷，几年过去，全家人的资料并未泄露。也庆幸自己off-site 2nd backup还在，但没有加密(瑟瑟发抖)。
经历这次教训后，我立刻给所有备份加密。但软件加密问题多：Mac, Windows, Linux之间不兼容，VeraCrypt之类的工具还需要额外安装，速度也很慢。而原厂硬件加密独立于操作系统，速度快又方便。
现在我的备份策略是直接买一对硬件加密盘互为备份，以防其中一个开小差。这样，出问题，心里也能踏实许多。
没必要全盘，分层加密就行了
没必要硬件加密，正常情况下所有文件打个压缩包加点密码和冗余就够用了
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强烈建议不要硬件加密，会极大增加丢数据的风险
我的建议是Windows为主就BitLocker（Linux下能挂载，Mac下用FUSE应该也可以），Mac为主就FileVault，Linux就LUKS/ZFS原生加密
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都试过了，不好用。硬件加密如WD不需要装APP可以直接密码解密，不依靠OS