CommentStreams:89579ae2deb8fbd9fa9852b2a574bb3b

Geekworm X1003 + Crucial P310 PCIe Gen4 NVMe 2TB: worked ok.

In /boot/firmware/config.txt: dtparam=pciex1 dtparam=pciex1_gen=3

1. fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=fio-test.data --bs=4k --iodepth=64 --loops=1 --size=30G --readwrite=randrw --rwmixread=75

Output: test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64 fio-3.33 Starting 1 process test: Laying out IO file (1 file / 30720MiB) Jobs: 1 (f=1): [m(1)][100.0%][r=531MiB/s,w=176MiB/s][r=136k,w=45.1k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1899: Wed Jun 4 15:06:13 2025

 read: IOPS=135k, BW=528MiB/s (554MB/s)(22.5GiB/43598msec)
  bw (  KiB/s): min=439456, max=568424, per=100.00%, avg=541154.28, stdev=15315.56, samples=87
  iops        : min=109864, max=142106, avg=135288.61, stdev=3828.88, samples=87
 write: IOPS=45.1k, BW=176MiB/s (185MB/s)(7682MiB/43598msec); 0 zone resets
  bw (  KiB/s): min=146688, max=187408, per=100.00%, avg=180453.02, stdev=5094.28, samples=87
  iops        : min=36672, max=46852, avg=45113.25, stdev=1273.57, samples=87
 cpu          : usr=21.96%, sys=62.07%, ctx=1859630, majf=0, minf=9
 IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
    submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
    complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.1%, >=64=0.0%
    issued rwts: total=5897674,1966646,0,0 short=0,0,0,0 dropped=0,0,0,0
    latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):

  READ: bw=528MiB/s (554MB/s), 528MiB/s-528MiB/s (554MB/s-554MB/s), io=22.5GiB (24.2GB), run=43598-43598msec
 WRITE: bw=176MiB/s (185MB/s), 176MiB/s-176MiB/s (185MB/s-185MB/s), io=7682MiB (8055MB), run=43598-43598msec

Disk stats (read/write):

 nvme0n1: ios=5861262/1954623, merge=0/9, ticks=1137074/38032, in_queue=1175115, util=82.09%

2. dd if=./fio-test.data of=/dev/null bs=1M status=progress

Output: 30720+0 Datensätze ein 30720+0 Datensätze aus 32212254720 Bytes (32 GB, 30 GiB) kopiert, 34,9139 s, 923 MB/s