Date: Thu, 13 Apr 2023 23:18:28 +0100 (BST) From: andy thomas <andy@time-domain.co.uk> To: Yuri <yuri@aetern.org> Cc: Thierry Thomas <thierry@freebsd.org>, 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: <alpine.BSF.2.22.395.2304132314150.54738@mail0.time-domain.net> In-Reply-To: <26febe50-a854-08df-13f9-d1629436c1f3@aetern.org> References: <a0c12351e21588a8e767988e1367ae9f@ramattack.net> <ZDfpGHKmWWa0Qpn0@graf.pompo.net> <alpine.BSF.2.22.395.2304132127490.54738@mail0.time-domain.net> <26febe50-a854-08df-13f9-d1629436c1f3@aetern.org>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --951801389-1621161841-1681424313=:54738 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8BIT On Thu, 13 Apr 2023, Yuri wrote: > 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? Yes, you are right! My apologies, please disregard that post. Andy >> 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). > > ---------------------------- Andy Thomas, Time Domain Systems Tel: +44 (0)7866 556626 http://www.time-domain.co.uk --951801389-1621161841-1681424313=:54738--
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