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Sat, 05 Dec 2020 14:28:34 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a54:3d8d:0:0:0:0:0 with HTTP; Sat, 5 Dec 2020 14:28:34 -0800 (PST) In-Reply-To: <X8vckXLRivTWBXAz@rpi4.local> References: <mailman.77.1607169601.55244.freebsd-questions@freebsd.org> <EA44E7A9-961F-4101-8FBF-8EE5E81F2E2A@gromit.dlib.vt.edu> <X8vckXLRivTWBXAz@rpi4.local> From: grarpamp <grarpamp@gmail.com> Date: Sat, 5 Dec 2020 17:28:34 -0500 Message-ID: <CAD2Ti2_Pmyfmjz3U6Msaee8qA3Z=bh3Pp_Qt2L+enCqvD4kKpg@mail.gmail.com> Subject: Re: effect of differing spindle speeds on prospective zfs vdevs To: freebsd-questions@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4CpPP15g41z4mKt X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=slKIJqcE; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of grarpamp@gmail.com designates 2a00:1450:4864:20::631 as permitted sender) smtp.mailfrom=grarpamp@gmail.com X-Spamd-Result: default: False [-2.22 / 15.00]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::631:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::631:from:127.0.2.255]; NEURAL_SPAM_SHORT(0.78)[0.780]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::631:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions <freebsd-questions.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/> List-Post: <mailto:freebsd-questions@freebsd.org> List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=subscribe> X-List-Received-Date: Sat, 05 Dec 2020 22:28:38 -0000 > status: One or more devices are configured to use a non-native block size. > Expect reduced performance. Run some use case or benchmark like iozone, then use one of the geom's like gnop(8) geli(8) to set the blocksize on at least the smaller logicals to 4096, then test behavior again.