Carl Brewer <carl%bl.echidna.id.au@localhost> writes: > # iostat > tty cd0 wd0 wd1 CPU > tin tout KB/t t/s MB/s KB/t t/s MB/s KB/t t/s MB/s us ni > sy in id > 0 67 0.000 0 0.000 63.90 25 1.542 52.36 31 1.600 0 0 > 4 25 72 You can also use 'systat vmstat', which shows the same info, but I prefer it; with a window with more than 24 lines, it can show more disks. I would try to test the drives with dd, separate from raidframe. But, a 1TB drive, assuming 80 MB/s, should take about 3.6h, so someth9ing is off. Your iostat output shows 1.5 MB/s, which is not healthy. Also, you might check your SATA cables.
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