ESXi using hard disk very slow

[YUAN_RUI]

I use ESXi + vCenter at home.
I have 1.92TB NVME SSD x 4, 16TB HDD x 8 on each machine (x3)

For windows/linux, the speed of a single hard disk is 200MB/s
On ESXi, the speed of using cp to copy files to HDD is only 20MB/sI know that ESXi uses sync to write data to vmdk for data security, but is there a way to disable this sync operation?

I have a UPS at home that can power the server for 12 hours., I'm not really concerned about power outages.

The best solution seems to be to buy a RAID card with caching + BBU, which I'm considering.

ESXi is great, but for this reason I had to install a machine as proxmox, which only had 1 SSD and 1 HDD, and only had the SATA controller that came with the motherboard.

I have purchased vmware vsphere essentials kit. In addition to the slow HDD, I am also worried about the data reliability of NVME (proxmox has zfs), and I am hesitant to replace all the machines with proxmox.

 

[a_p_]

>>> The best solution seems to be to buy a RAID card with caching + BBU, which I'm considering.

That's definitely the way to go!

André

[Rob Bishop]

Definitely worth buying the RAID card with caching, you've bought the VMware licence so you've got support available have you purchased the support for proxmox?

[YUAN_RUI]

vmware vsphere essentials does not come with support