June 17, 20206 yr Admittedly I did this before really reading up on it, but I am a little confused with why I can't do this. I'm fairly old school. 25 years ago I had a Promise Caching Controller for my drives in my desktop and it gave wonderful performance compared to the standard HDD read and write. It used delayed writes and cached frequently used files automatically. I assumed this sort of functionality was baked into Unraid when you set up a SSD as a cache drive. Instead it seems it's treated more as it's own volume. My hope with adding a 480GB SSD was that it would be used in a similar delayed write/buffer function to improve performance a lot when writing something to the array. Basically I'd copy something from another system and instead of seeing a slower 40-60MB/sec, it would max out around 105MB/sec to get the files on Unraid quicker and then in the background on the Unraid server it would internally copy those files over to the array. Does anyone else get what I am talking about? Does Unraid have this kind of feature?
June 17, 20206 yr You can set any of your User Share if you want it to use the Cache Drive/Cache pool or not. If your share use it, you'll see the behavior you want. The downside is that it will fill up your cache disk until the next time mover is run (daily at night usually).
June 17, 20206 yr Author Thank you. That's helpful. I'll read up on it. Looks like I can switch it to hourly.
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