Kboogie Posted February 3, 2023 Share Posted February 3, 2023 (edited) Having some drive performance issues and at a loss as to how to resolve. Some details on the configuration and observations below, diagnostics attached. Curious to hear what people think. I've noticed some of this behavior before, but it's gotten progressively worse and systemic as of recently. Hardware Lenovo PC, i5-8400T, 8gb ram RocketRAID 2722 SAS card (marvel), sans digital external SAS enclosure, mixed drives Observations Network transfers start at 60mb, reduce to 40mb and then become erratic, reducing to <1mb. Confirmed same behavior with transfers using unraid UI to move data between disks Confirmed same behavior with parity check, starting at 180mb sustained and then after 10 min plummeting down to <1mb When rates drop there is a spike in CPU from resting 10% to 50%. Included some screen shots of what I see bouncing in the top CPU chart during the event. Please help! unraid-diagnostics-20230203-1633.zip Edited February 3, 2023 by Kboogie Quote Link to comment
Kboogie Posted February 3, 2023 Author Share Posted February 3, 2023 It seems the issue was exacerbated by moving one of the cache drives from the SAS array to USB. I do think there is a separate persistent issue with transfer rates and volatility, but I should post separately. Can I delete this post? Quote Link to comment
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