Date: Sun, 29 Aug 2021 20:54:50 -0700 From: David Christensen <dpchrist@holgerdanske.com> To: freebsd-questions@freebsd.org Subject: Re: FreeBSD 12.2-RELEASE-p9 trim: open failed: /dev/ada0: Operation not permitted Message-ID: <b0cb474d-a4e8-5228-b4da-a267ac1a2124@holgerdanske.com> In-Reply-To: <dda0a570-53bc-7676-9f38-67bcd7a6f8bb@holgerdanske.com> References: <dda0a570-53bc-7676-9f38-67bcd7a6f8bb@holgerdanske.com>
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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 > <INTEL SSDSC2CW060A3 400i> 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 (?). David
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