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root@pve1:~# fio -ioengine=libaio -fdatasync=1 -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=1 -rw=randread -runtime=60 -size=5G -filename=/dev/nvme0n1
test: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1
fio-3.12
Starting 1 process
Jobs: 1 (f=1): [r(1)][47.8%][r=223MiB/s][r=57.2k IOPS][eta 00m:12s]
A
root@pve1:~# fio -ioengine=libaio -fdatasync=1 -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=1 -rw=randwrite -runtime=60 -size=5G -filename=/dev/nvme0n1
test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1
fio-3.12
Starting 1 process
Jobs: 1 (f=1): [w(1)][18.3%][w=1401KiB/s][w=350 IOPS][eta 00m:49s]
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n
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root@pve1:~# fio -ioengine=libaio -fdatasync=0 -direct=1 -invalidate=1 -name=test -bs=4k -iodepth=1 -rw=randwrite -runtime=60 -size=5G -filename=/dev/nvme1n1
test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1
fio-3.12
Starting 1 process
Jobs: 1 (f=1): [w(1)][26.3%][w=256MiB/s][w=65.6k IOPS][eta 00m:14s]
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