[CentOS] Intel Vroc experiences?
Simon Matter
simon.matter at invoca.chTue Apr 23 10:09:36 UTC 2019
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> Hi, > > Has anyone had any experience with Intel Vroc[1]? I'm possibly having to > deal with a new server with such technology and can't find much (real > world) information about it. > Looking at the specs it's basically a glorified fake raid which usually > turns on my alarm bells. Has anyone done any testing, how does it compare > with "real" raid or software raid? >From their description: Intel® VROC for Linux* is built upon MD RAID... So, it is Linux MD RAID with some management addons. I prefer to stay far away from such addons. A nice feature is the LED management, but who needs it if you have proper monitoring and are not in the DC anyway? I prefer standard U.2 NVMe SSDs connected via PCIE to the CPU. Works wonderfully on AMD EPYC so I expect the same on Intel also. Just don't forget to adjust raid speed limits. I have dev.raid.speed_limit_max = 10000000 dev.raid.speed_limit_min = 15000 to enjoy full sync speed. Regards, Simon
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