July 31, 20169 yr I had a suspicion that my parity checks are below what I should expect. I did some searching and people are reporting numbers well above 100 MBps with modern drives. My drives are not exactly modern, maybe the oldest is 5yrs if I had to guess. Running a 3TB parity drive, 1x 1.5TB, 3x 2TB and 1x 3TB data drives. Oldest drive is probably the 1.5TB WD15EARS. My average speed is 75.1MBps. Drives are connected to a mix of onboard sata ports and a 1x PCIe Supermicro card that is standard on pretty much every build on this forum Again, I understand that my drives are not 5TB new drives, but I seeing speeds at about half of what other users are seeing. Is this normal?
July 31, 20169 yr Author For those drives, yes. Thanks for the quick reply. Is this because of the model and age or because of their "Green" status?
July 31, 20169 yr Community Expert Is this because of the model and age or because of their "Green" status? Both, the fact that you have 3 different sizes also contributes to a lower average.
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