Date: Mon, 18 Oct 2021 17:58:11 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: Graham Perrin <grahamperrin@gmail.com> Cc: FreeBSD questions <freebsd-questions@freebsd.org> Subject: Re: tunefs(8) changes don't stick Message-ID: <CAN6yY1uV-RKm8yf0m2n%2B_MvpAX2eFFkK6tHa3fDTe5k36ff_qg@mail.gmail.com> In-Reply-To: <97d3a7d3-993b-563c-bb34-594f2e775c93@gmail.com> References: <CAN6yY1so_ztpy0v%2BxRuzHX_WXC22AAD=CCXZ6M35%2BYGurGTcSg@mail.gmail.com> <0700be88-52f7-eb08-a37e-4fc56fcafe1a@gmail.com> <CAN6yY1vWCJcTZ-pndxbc14ms6jOFrnaT-P52ODMYm6TFWBM_Pg@mail.gmail.com> <6e5aab14-bee3-c6f4-67ef-6d60395808fc@gmail.com> <CAN6yY1uXXDj==hXzKecKEGsnxKv4ftrGNCSjJsQNHmM99-4ZOw@mail.gmail.com> <CAN6yY1u%2Bd-OmPqTi-ATBV%2BwF=CN3VTHDh8TzxvoG5OnRSZ-1HQ@mail.gmail.com> <97d3a7d3-993b-563c-bb34-594f2e775c93@gmail.com>
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--000000000000ccdbc305ceaa2800 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, Oct 18, 2021 at 5:11 PM Graham Perrin <grahamperrin@gmail.com> wrote: > On 18/10/2021 23:43, Kevin Oberman wrote: > > =E2=80=A6 > > Isuspect that this problem is Bug 113912 > > <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D113912>. While tha= t > > bug only references -L, I suspect that it applies to any tunefs(8) > > modification to the root partition. =E2=80=A6 > > > As far as I can tell, > > tunefs -j enable > > =E2=80=93 does work as expected for > > / > > =E2=80=93 but not with FreeBSD-provided disk images for FreeBSD 13.0-RELE= ASE and > 13.0-STABLE > > <https://bugs.freebsd.org/bugzilla/show_btunefs -j enableug.cgi?id=3D2590= 90 > <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259090>>; > > Tested so far: AMD64 .vhd files only. I assume that .qcow2, .raw and > .vmdk files are similarly affected. > I have successfully updated the volume to TRIM by booting the install disk. Everything I changed is working fine. I did an "fsck_ffs -E" to deal with the 4 months I ran on the SSD without TRIM. Can't explain why "tunefs -j enable" worked for you and not for me. Every tunable setting I tried appeared to work when I did a 'tunefs -p', but went back to the prior state when I mounted the disk RW (mount -u /). I'll admit that I have no idea how being a VM might impact things, but it seems possible. My case is on bare metal. When trying to use tunefs on my boot disk, I never received any error or warning. The changes just vanished. I might ask imp@ about this. He's pretty expert on the boot process. I'll update the ticket as well. Thanks, Graham, for the help that led me to look at the right place. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683 --000000000000ccdbc305ceaa2800--
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