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    [SOLVED] Samsung 870 QVO 1TB Terrible Write Performance

    I finally got 3x 480GB DC500M SSDs and set up a raidz1. Performance now finally looks good :)
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    [SOLVED] Samsung 870 QVO 1TB Terrible Write Performance

    oot@hst-proxmox-3:~# fio --ioengine=libaio --filename=test --direct=1 --sync=1 --rw=write --bs=4K --numjobs=1 --iodepth=1 --runtime=60 --time_based --name=fio --size=3G fio: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1 fio-3.12 Starting 1...
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    [SOLVED] Samsung 870 QVO 1TB Terrible Write Performance

    I now migrated my most demanding VM. I runs ElasticSearch and collects some logs, not a lot tho (about 2-3 GB a day). During the Migration: After the Migration It seems like the ram is cashing a lot, as the VM only has 8 GB Ram : root@hst-proxmox-3:~# arc_summary -g ARC: 40.7 GiB...
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    [SOLVED] Samsung 870 QVO 1TB Terrible Write Performance

    Hi H4R0 Thanks for your quick reply. On my 8x HDD setup: Seq WRITE: bw=505MiB/s (Rand WRITE: bw=257MiB/s ) I set up the ZFS Proxmox fresh again with the 2x QVO in ZFS mirror and got: Seq. WRITE: bw=134MiB/s (Rand. WRITE: bw=124MiB/s) Which is a lot more reasonable. Last time I Migrated my VMs...
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    [SOLVED] Samsung 870 QVO 1TB Terrible Write Performance

    Hi Everyone, I got 2x Samsung 870 QVO 1TB. Iknow iknow, they are not the best and can be really slow and the lifespan isn't great. My aim was to replace my current 8x 146 GB HDD setup, as I wanted to reduce power consumption. I installed Proxmox on them with a ZFS mirror and the performance...