Re: [ovirt-users] How to benefit from pci-e ssd??
On Sun, Feb 5, 2017 at 2:46 PM, Arman Khalatyan <arm2arm(a)gmail.com> wrote:
Hi, I wondered if there some setup where we can benefit from pci-e
ssds?
One possible way is pci passthrough but then the vm does not migrate
anymore(am I right?).
Right, if you use host resources, you will not be able to migrate. You have to
choose between being able to run on any host and having better performance.
Another way to share nvme over iscsi, but any software layer between
vm and
nvme is dumping the performance(maybe worth to try iser or srp?)
It will be interesting to try sharing over iscsi, your host networking
is probably
going to be the limitation.
We are working now on a localdisk hook, that will allow you to run a vm using
a fast ssd on a host, using disks and templates on shared storage.
You can track the development here:
https://gerrit.ovirt.org/71272
There is an initial draft for the feature page here:
https://github.com/nirs/ovirt-site/commit/f63da31b873943e2ca3290e38d5a12b...
Nir
Ps
I have seen that sime cloud providers are offering ssd vms, what does it
mean?:)
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