flaggart Posted January 16, 2018 Share Posted January 16, 2018 After updating to 6.4 initially everything is OK, however after a while all disks attached to my SuperMicro AOC-SAS2LP-MV8 slow massively. Disks attached to the motherboard directly are not affected. The worst affected disks slow to 2 MB/sec read. The least affected slow to 40 MB/sec. After rebooting, everything is again OK for a short while before the problem returns. I know this HBA card is listed as potentially having issues - specifically random parity errors upon reboot - but I have not observed this issue and so have continued to use it. I am wondering, has support for this card been removed, or is there an issue? Logs attached. bigbox-diagnostics-20180116-1939.zip Quote Link to comment
JorgeB Posted January 16, 2018 Share Posted January 16, 2018 IRQ16 got disabled: Jan 16 19:32:21 BIGBOX kernel: irq 16: nobody cared (try booting with the "irqpoll" option) Since it's used by the SAS2LP performance craters, possible solutions: look for a board bios update, use a different PCI slot for the HBA (if available), a kernel (unRAID) update may also help, but IMO the best option would be to replace it with an LSI. Quote Link to comment
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