Why so many ups and downs in speed transfer from SSD to HDD

Started 5 months ago | Questions thread
Tom_N Forum Pro • Posts: 19,170
Re: Why so many ups and downs in speed transfer from SSD to HDD
2

Sean Nelson wrote:

I'm wondering if it's an SMR (Shingled Magnetic Recording) drive. Those kinds of drives need to rewrite a set of cylinders on the disk all at once, so the drive might accept a bunch of data into its cache and then wait while it writes that data one of it's shingled regions.

SMR = Bringing the rewrite penalty disadvantages of flash / SSDs to hard drives.

I've never used an SMR drive myself, but it seems like a possibility to me.

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