Russell Evans
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I'm not sure why you posted about RAID under the post branch about the new 10Tb? The new 10Tb hard drive in the link is a single disk. It's interesting in that it is helium filled and has a new way of writing to disk, as well as for its 10Tb capacity. The fact that to get to this density, that the drive is meant more for write once read many, also means that single traditional 3.5 inch drives have probably reached their limits on size with this.RAID is not a backup.
Backup is at least two copies with one of those being offline and not in the same physical location.
HDD's are cheap.
It will probably be SSD that keeps increasing in capacity from this point, but it will be interesting to see if they can grow to a likewise capacity in the same 3.5 size format. There is nothing that stops drive manufacturers from going to 5 inch drives again to be able to increase single drive capacity, either hard drive or SSD, but that might not be where things go in the consumer space, if cloud storage becomes more the norm.
To provide that capacity in the cloud though, drives might need to grow physically larger. I could also see a single SSD drive the size of a 4U server being something that happens for the enterprise. Just a bunch of memory chips in a big box with a little bit of electronics for control and a couple of small power supplies. When you have a relay rack to mount in, you have more options about size.
Thank you
Russell
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