baber
Expert
Expert

use best performance ssd disk (samsung 850Pro) for VM on ESXi

hi  my server model is hp proliant dl380P G8 with 128G memory with raid controler 420i i have put a ssd disk  (samsung 850PRO 256GB) this model is for small office or home user because the hp ssd disks for DC are so expensive .  and use VMware ESXi 5.5.0 Update 2 -build-2718055 now i create new ssd storage disk (attched pic) and migrate one of my vms to this storage but that is so wonderfull not change in machine performance i think my virtual machine can not use from all of ssd disk performance do i hvae to do special config on my raid controller or on ssd disk for use all of ssd disk performance?

Best regards

Babak

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mcrape
Enthusiast
Enthusiast

I believe the recommended disk controller is the LSI Logic SAS controller for Windows OSs (vs the SATA controller).

Also give this article a quick read through: Emulating an SSD Virtual Disk in a VMware Environment | virtuallyGhetto‌ - there is some good info in it.

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baber
Expert
Expert

is your means that when i migrate my datastore virtual machine to ssd  datastore it will be automatically detect that this datastore is ssd and will be change performance?

but i have put ssd samsung 850 pro on my hp G8 server and migrate just 1 virtual machine with windows server 2008 on that and test the speed of disk that is so wonderfull  i  can not use all of ssd disk performance i have aatched pic samsung ssd 850Pro is best ssd disk and i test this on my local pc on my local pc i have corsair ssd disk but my local pc speed ssd disk is better than samsung 850pro ssd why ? my means is 4k speed  i use lsi logical sas controler when create vm

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