Re: M2 NVME support

On Wed, Apr 19, 2023 at 11:26 AM Juraj Lutter <otis@freebsd.org> wrote:

>
>
> > On 13 Apr 2023, at 13:25, egoitz@ramattack.net wrote:
> >
> > Hi!,
> >
> > We are in the process of buying new hardware for use with FreeBSD and
> ZFS. We are planning whether to buy M2 NVME disks or just SATA SSD disks
> (probably Samsung PM* ones). How is you experience with them?. Do you
> recommend one over the another?. Is perhaps better support from some of
> them from a specificic version to newer?. Or do they perhaps work better
> with some specific disk controller?.
>
>
> My $0.02: We use DELL r740xd with NVMe and FreeBSD 13.0-STABLE (with some
> NFS patches from Rick Macklem, that are
> now included in releng/13) and ZFS.
>
> NVMe disks are of Dell (type Dell Express Flash PM1725b 1.6TB SFF 1.2.2).
>
> So far we haven’d experienced any issues with them, neither with the
> server as such.
> The only change from the “stock” state of the HW was that we replaced
> Broadcom bnxt(4) NIC with Intel ix(4) NIC.
>
> The server provides NFS shares for OpenStack compute nodes.
>
> otis
>
> —
> Juraj Lutter
> otis@FreeBSD.org
>
>
>
My tuppenceworth:
2x Gold 6338 2GHz
ZFS pool - 10 disks Samsung PM9A3 7.68TB, 5 mirrors
Gigabyte R182 NA0

No issues. Server is used as iSCSI provider for VMs (performance testing
farm for databases).

BR, Michael