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jcarron2

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  1. Hi Everyone, Is there anything additional required to enable better performance improvements (kernel patch for TXTS and RXTS are set to 3 each see below link) on a Banana PI running Armbian V21 / V22 ? I have updated the bootloader, and OS, and the performance is still abysmally poor. Mechanical or SSD drive connected to on board SATA yields a whopping 2.7-10 MB/sec write speed using dd with a large block size, or with the iozone tool ~5 upto ~45 for larger block sizes. Still a very far cry from the ~120 after the kernel patch applied in ~2019 => https://forum.armbian.com/topic/10352-a20-sata-write-speed-improvement/ I would be happy with a consistent 10-20 MB/sec honestly... From what I've read it was included in the kernel after v5.2 by default? Armbian R22 is presently kernel 5.15 ... So is the manual kernel patch still required, or no? armbianmonitor -u output: https://paste.armbian.com/isagiquleh iozone bkwd record stride kB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 102400 4 1063 1074 4689 4367 4667 10 102400 16 2495 2529 7923 7962 7579 41 102400 512 5257 5278 10506 10484 10587 1297 102400 1024 5695 5259 10992 10997 10928 2236 102400 16384 5826 5441 9706 11679 11671 5689 iozone test complete. root@bananapi:~# thanks, Jonathan
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