Slow copy speed from cache SSD to Unraid array


outsider

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I have recently noticed very slow transfer speeds moving/copying data from the cache drive to the unraid array.

We're talking in the order of 10-20MB/s kind of speeds.

 

I only recently noticed this because I wanted to manually move a file off the cache drive.

From a network connection (1GB) I can saturate the link in read/write to the cache, and similarly I get reasonable transfer speeds to the unraid array in read/write from the same network connection. 

 

Where do I even start trying to troubleshoot this problem?

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