Date: Thu, 13 Apr 2023 23:20:16 +0200 From: Yuri <yuri@aetern.org> To: andy thomas <andy@time-domain.co.uk>, Thierry Thomas <thierry@freebsd.org> Cc: egoitz@ramattack.net, Freebsd fs <freebsd-fs@freebsd.org>, Freebsd hackers <freebsd-hackers@freebsd.org>, freebsd-hardware@freebsd.org Subject: Re: M2 NVME support Message-ID: <26febe50-a854-08df-13f9-d1629436c1f3@aetern.org> In-Reply-To: <alpine.BSF.2.22.395.2304132127490.54738@mail0.time-domain.net> References: <a0c12351e21588a8e767988e1367ae9f@ramattack.net> <ZDfpGHKmWWa0Qpn0@graf.pompo.net> <alpine.BSF.2.22.395.2304132127490.54738@mail0.time-domain.net>
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andy thomas wrote: > On Thu, 13 Apr 2023, Thierry Thomas wrote: > >> Le jeu. 13 avr. 23 ? 13:25:36 +0200, egoitz@ramattack.net >> <egoitz@ramattack.net> >> ?crivait : >> >>> Hi!, >> >> Hello, >> >>> 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?. >> >> I have a bad experience, the problem seems to be caused by the driver. >> >> See <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270409>. > > I thought I would mention I have been using a WD Blue SA510 250GB M2 > NVME SSD mounted on a PCIe to NVME adapter card under FBSD 13.1 for some > months now with no problems or any special drivers being installed. Only it looks like it's actually SATA and not NVMe, based on the output? > The server is a Dell PowerEdge 430 1U server fitted with four SATA disks > in a ZFS pool, with a 4 GB partition on each disk being used for the > swap (since using SSDs for swap space can wear them out quite quickly). > > Attached is a screenshot showing FreeBSD version, the NVME SSD type, > mounted SSD partitions, the server make & model and some info about the > spinning disks too (there is a known issue with the built-in Megaraid > driver in the FreeBSD 13.1 kernel not working with the camcontrol > utility nor converting disk device names like /dev/mfisyspd0 to > traditional names such as /dev/ada0 but these controllers & disks do > work with FBSD 13.1 as you cna see from the zpool output).
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