May 13, 20215 yr I have 2 X Sabrent Rocket 1TB NVMe drives on a supermicro PCIe adapter card. I have another no brand Amazon adapter with 1 X Samsung Evo 970 Plus. fio to the 970 Evo: WRITE: bw=270MiB/s (284MB/s) fio to the cache pool: WRITE: bw=91.9MiB/s (96.3MB/s) dd to the 2 X Sabrent Cache pool: between 200 and 300 MB/s on several tests. Was I supposed to find and install drivers for these drives? I need some help trouble shooting to find the issue. Aslo, realized all SSD is slow in my system. dd to a SATA SSD = 205 MB/s Edited August 16, 20232 yr by adminmat
May 13, 20215 yr Author So I just moved some files from the cache to the unassigned NVMe drive and it showed 1.2 GiB/s I'm thinking maybe my testing metric is off. What is a good way to test drive writes in unRAID? I don't understand why it varies this much for the different test methods. And should an 970 Evo Plus be written to faster?
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