Re: periodic trim for ufs2 ssds

From: Ronald Klop <ronald-lists_at_klop.ws>
Date: Thu, 07 Dec 2023 15:21:44 UTC
Van: void <void@f-m.fm>
Datum: donderdag, 7 december 2023 15:40
Aan: freebsd-fs@freebsd.org
Onderwerp: Re: periodic trim for ufs2 ssds
> 
> On Thu, Dec 07, 2023 at 07:20:10AM -0700, Warner Losh wrote:
> 
> >You need to tunefs that on and it will happen as you go. There is no way to
> >batch this up to do it in the background. But there's no advantage to
> >trimming a block multiple times... :).
> 
> ok, thanks.
> 
> (I should have mentioned 14-stable amd64 context)
> 
> I booted single-user then ran: fsck -y /dev/ada0s1a
> fsck_ffs -E /dev/ada0s1a
> tunefs -t /dev/ada0s1a
> fsck_ffs -E /dev/ada0s1a
> 
> then booted multiuser
> 
> will console/messages or some other log show when it runs?
> smartctl(8) makes no mention of trim.
> -- 
>  
> 
> 
> 


A tool like "gstat -d" will show columns for deletion which means trim.

Regards,
Ronald.