Re: periodic trim for ufs2 ssds

On Fri, Dec 8, 2023, 4:03 AM Olivier Certner <olivier.freebsd@free.fr>
wrote:

> Hi,
>
> Did you consider trying 'fsck_ffs -B -E' on a toy system?  From a glance
> at the code, these flags are not exclusive and should do what you expect.
>


I wouldn't expect that to work...

If that works, then you also have the option of not turning on trim on the
> FS and instead periodically doing it at once, like you can do on ZFS.
>

I'd go the other way. I'd turn trim on for UFS and monitor the system under
load. Newer drives I've evaluated have much better pathological behavior
than the drives of a few years ago... there's a lot of left over fud about
how it's always terrible...

Warner

Regards.
>
> --
> Olivier Certner
>
>
>
>