Date: Wed, 21 May 2025 18:33:54 -0400 From: Charles Sprickman <spork@bway.net> To: =?utf-8?Q?Gerrit_K=C3=BChn?= <gerrit.kuehn@aei.mpg.de> Cc: Kurt Jaeger <pi@freebsd.org>, Warner Losh <imp@bsdimp.com>, Colin Percival <cperciva@tarsnap.com>, freebsd-stable@freebsd.org Subject: Re: NVMe (U.2) hot-swap support status? Message-ID: <BA71DD35-E61F-401D-B59A-43608B2BF4ED@bway.net> In-Reply-To: <20250520133030.06ee4b5b@arc.aei.uni-hannover.de> References: <2E8A7BC6-6C3F-431F-B6F0-2611577B8028@bway.net> <01000196a3fb8737-9e591147-f4fd-439d-85bc-5f155be4bebb-000000@email.amazonses.com> <5530E3D8-B2F8-4101-91B1-D8BAC17D2FDA@bway.net> <CANCZdfreu4AHa2Go2eYkTMKG=dYG%2B_T4WghpX1qqLCoa18K61g@mail.gmail.com> <20250516085158.19384d39@arc.aei.uni-hannover.de> <aCbsrSYhBe-HO9tF@fc.opsec.eu> <20250520133030.06ee4b5b@arc.aei.uni-hannover.de>
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> On May 20, 2025, at 7:30=E2=80=AFAM, Gerrit K=C3=BChn = <gerrit.kuehn@aei.mpg.de> wrote: >=20 > Am Fri, 16 May 2025 09:43:41 +0200 > schrieb Kurt Jaeger <pi@freebsd.org>: >=20 >> Have you asked Support_Europe@supermicro.com ? >=20 > I did ask both Supermicro and the system vendor meanwhile. > SM says that they will not support any configuration that has not been > assembled in-house with them because of nvme hotplug being plagued = with > many issues so only specific configurations could work. > The vendor blamed this on the AOC retimer cards have. Swapping disks = would > require re-issuing a new pcie device id, which is not possible with = the > retimer card until being rebooted. What is a "retimer card"? Thanks, Charles >=20 > cu > Gerrit
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