mrsas and the lost IO speed

2021-03-30 Thread Vladilen Kozin
Hi all. For now just posting to -performance and -questions. Please advise if e.g. -hardware is more suitable. I first reported this issue on forum: https://forums.freebsd.org/threads/mrsas-and-the-mystery-of-lost-speed.79585/ which will offer you detailed report. Here're cliffnotes: Dell R730 +

Re: Tuning and monitoring write intensive server

2021-02-08 Thread Vladilen Kozin
These are excellent pointers and get me on my way! Thank you very much Walter. Invaluable. On Sun, 7 Feb 2021 at 15:55, Walter von Entferndt wrote: > > At Sonntag, 7. Februar 2021, 13:00:04 CET Vladilen Kozin > wrote: > > [1 dedicated disk/ufs per thread, no redundency,...] &g

Tuning and monitoring write intensive server

2021-02-06 Thread Vladilen Kozin
Hello list. I have a rather niche and specific task I'm trying to tune for my recently acquired homelab server. Easily parallelized, extremely disk IO (write) intensive. If having read this you think it belongs in freebsd-questions, kindly tell me so. I've not used FreeBSD for 20 years, so I'm no