May 30, 201610 yr I'm getting around 25MB/s sustained whether I use the cache drive or not. I've used the exact same machine before with the same drives on ZFS and was able to fill a 1Gb pipe all day long. On system it was around 250-300MB/s. Bumping everything to jumboframes (unsurprisingly) didn't change anything. Everything is going over two PCI-E cards save for the parity drive which is going directly to the onboard sata ports (its like an ICHR10 or whatever). Everything is reporting at least SATA 2.6 (3Gb/s) = 375MB/s (the drives can't even do that so anything more for a spinner is silly) Ideas? What information would be helpful? Attached is a screenshot of stuff.
May 30, 201610 yr Author Ok so I was using rsync in mobaxterm to do this, that was causing the slowness. Direct copy with windows is far quicker, especially using the cache device.
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