[SPDK] Re: NVMe devices with CMB

Walker, Benjamin <benjamin.walker at intel.com> Thu, 04 Nov 2021 16:09:33 +0000

Newsgroups	dev.linux.lists.spdk
Message-ID	<BYAPR11MB2824618A9F4362B448E8CC4EEF8D9@BYAPR11MB2824.namprd11.prod.outlook.com>

> From: Kit Chow <kchow(a)maxlinear.com>
> 
> Hi,
> 
> Do you know of any NVMe SSDs that have CMBs?  I've asked Samsung but the
> rep did not seem to know and asked me to send my question to the samsung
> support email. I have not heard back yet.
> 
> If NVMe SSDs w/ CMBs aren't currently/readily available, what NVMe devices
> are being used by SPDK to do p2p copies.

I believe you can use the QEMU emulated NVMe SSD to test CMB. That's probably the easiest way.