Comments by "Mikko Rantalainen" (@MikkoRantalainen) on "The Wobbly Future of the Hard Disk Drive Industry" video.

@GreenAppelPie Cloud storage only is for people that do not have any valuable data.
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@shadowarez1337 Using a HDD with SSD as a cache may or may not work depending on the actual workload. You should also keep in mind that the area designated for caching is off the storage space you have. So if you have 8 TB HDD and 1 TB SSD as cache, you still have only 8 TB of usable space which is way slower than real SSD but faster than HDD. I wouldn't use hybrid solutions with HDDs smaller than 10 TB.
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@shadowarez1337 Is Windows still too stupid to use RAM as filesystem cache by default? I run all the more performance critical stuff on Linux and there you cannot do much better than use the built-in kernel features and simply tweak the tuning parameters. LVM Cache introduces full read-write caching on kernel level and is very mature code already. And you cannot use RAM as SSD replacement for writing if you want durability for the data. Though, if you don't mind corrupting the data on system crash or power failure, then things get much easier.
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If you care about your data, at least on backup of everything should be on HDD because it can actually last without power for years. SSDs depend on getting power every now and then or you'll start seeing random bit-flips.
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@you2be839 If you keep any offline backups, you'll have unpowered storage. And if you don't have any offline backups, you'll be vulnerable to ransomware attacks that encrypt all online storage. Granted, such attacks are not (yet?) that common but they do happen.
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