Slow HDD Transfer speeds

S

shinigaimi

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Mar 17, 2023
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Hello all I am new and I have a new install of Proxmox. I am receiving horrible HDD speeds I ran the Crystal Disk benchmark and when its on the local m.2 it is fast but once I transfer the same machine to my NAS it slows down to a crawl see below screen shots.

Any guidance will help me get a better understanding of Proxmox :)

This particular OS is Windows 10. I migrated over from a Hyper V VM

Here are my specs:
RAM: 32GB
Hard Disk: Crucial P3 500GB PCIe Gen3 3D NAND NVMe M.2
CPU(s) 8 x Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz (1 Socket)
Kernel Version Linux 5.15.102-1-pve #1 SMP PVE 5.15.102-1 (2023-03-14T13:48Z)
PVE Manager Version pve-manager/7.4-3/9002ab8a
 

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This would be less about your VM configuration and more about your NAS capabilities and the network connection between Hypervisor and NAS.
Comparing local drive to a File Protocol (CIFS) that lives on some Filesystem is pretty unfair. Having said that, you should start with establishing a baseline with FIO (or similar tool) directly from Hypervisor to NAS.

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox
 
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