Was benchmarking/tuning a new Proxmox on ZFS install, and got weird results with sync writes from VM, which I am struggling to explain. I am testing the storage stack from physical disks all the way to zvol from inside VM. This is fio command that I am using:
Basically, I am...
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Code:
fio --filename=/dev/sda --ioengine=libaio --loops=1 --size=10G --time_based --runtime=60 --group_reporting --stonewall --name=cc1 --description="CC1" --rw=write --bs=4k --direct=1 --iodepth=1 --numjobs=1 --sync=1
Basically, I am...
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