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[2001:470:1f1c:a0::2]) by smtp.gmail.com with ESMTPSA id o2sm8912022wrh.13.2021.08.29.22.08.37 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 29 Aug 2021 22:08:38 -0700 (PDT) Subject: Re: FreeBSD 12.2-RELEASE-p9 trim: open failed: /dev/ada0: Operation not permitted To: freebsd-questions@freebsd.org References: From: Graham Perrin Message-ID: Date: Mon, 30 Aug 2021 06:08:37 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-GB X-Rspamd-Queue-Id: 4GyddN0Lhjz4syy X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=p7UW3df4; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of grahamperrin@gmail.com designates 2a00:1450:4864:20::435 as permitted sender) smtp.mailfrom=grahamperrin@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; 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]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::435:from]; 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Aug 2021 05:08:40 -0000 On 30/08/2021 04:54, David Christensen wrote: > On 8/29/21 7:26 PM, David Christensen wrote: >> freebsd-questions: >> >> I have a computer with FreeBSD: >> >> 2021-08-29 19:14:07 toor@f1 ~ >> # freebsd-version ; uname -a >> 12.2-RELEASE-p9 >> FreeBSD f1.tracy.holgerdanske.com 12.2-RELEASE-p7 FreeBSD >> 12.2-RELEASE-p7 GENERIC  amd64 >> >> >> The system disk is an SSD: >> >> 2021-08-29 19:18:53 toor@f1 ~ >> # camcontrol devlist | grep ada0 >>          at scbus0 target 0 lun 0 (ada0,pass0) >> >> >> I would like to trim the SSD, but trim(8) is not happy: >> >> 2021-08-29 19:22:36 toor@f1 ~ >> # trim -f /dev/ada0 >> trim /dev/ada0 offset 0 length 60022480896 >> trim: open failed: /dev/ada0: Operation not permitted >> >> >> Suggestions? >> >> >> David > > > STFW I found: > > https://forums.freebsd.org/threads/freebsd-10-trim-for-zfs.44803/ > > > Checking my system: > > 2021-08-29 20:51:20 toor@f3 ~ > # camcontrol identify ada0 | grep -i trim > Data Set Management (DSM/TRIM) yes > > > So, SSD trim is enabled (?). Given your link to the ZFS-related post, I assume that you use ZFS on the device. If so: with or without OpenZFS kernel module? I see that with FreeBSD 14.0-CURRENT, this occurs: trim: open failed: /dev/da7: Operation not permitted – when, for example, a partition within the device is a cache vdev for a pool.