Increase the speed of the Proxmox disk subsystem?

Question

mdadm

The speed of the disk subsystem does not exceed 70 MB/s. Is there any way to increase it?
config: soft Raid1 mdadm, GPT disks, Ext3 file system, RAW + Virtio driver format, cache - disabled, virtual machines are stored on one partition, I do not use LVM.
On ESXI with a hardwired mirror raid, the speed is about 200 MB / s.

Answer 1

Raised the speed by changing the controller in the guest system and installing win server 2012

Answer 2

please enable cache

Answer 3

See if it helps?
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