FreeBSD 12.2-RELEASE-p9 trim: open failed: /dev/ada0: Operation not permitted

[David Christensen]

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 at 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 at 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 at 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 at f3 ~
# camcontrol identify ada0 | grep -i trim
Data Set Management (DSM/TRIM) yes


So, SSD trim is enabled (?).


David