Date: Fri, 28 Feb 2020 21:44:45 -0300 From: Mario Olofo <mario.olofo@gmail.com> To: Theron <theron.tarigo@gmail.com> Cc: Pete Wright <pete@nomadlogic.org>, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Running FreeBSD on M.2 SSD Message-ID: <CAP4Gn9CPtsrSTia%2BsSyT7yRiSHGfO0qJGPGrqR7sOSth7dsiwg@mail.gmail.com> In-Reply-To: <CAP4Gn9BqATHXyEbVDKvwQ_YcyUevAYoCt=PjdY5RpzWzyEVt5g@mail.gmail.com> References: <CAP4Gn9DbdzSMbj=xn3E4TMRWzs-WY%2Bun2Rzd9Dt3PUeDL%2BYtpA@mail.gmail.com> <20200224144602.GA64065@phouka1.phouka.net> <CAP4Gn9DYui-x_wsDN3TUMd7cDPB%2BTSfRX3TL5DAa=8a1=eRGxQ@mail.gmail.com> <437a5eae-03c8-737d-48bf-39e2e9163d6d@nomadlogic.org> <CAP4Gn9Cy1w=ftw5QrdCFhWOQ_TaOOK=Wj2NGDC6R81fGPPAB6w@mail.gmail.com> <81ef514d-2575-e9e2-136b-dc79d1c62d74@nomadlogic.org> <CAP4Gn9AqK0BEmWhJ%2BqPqHcqN__GYf6tyonW6dwnvRqf-a2_www@mail.gmail.com> <5127f890-3e97-4982-1e09-3f9e53ecf6aa@nomadlogic.org> <CAP4Gn9CVRmWuo4VNOikEoyfRcVurjEMPj63DWjMY1ezrAgt_EQ@mail.gmail.com> <ac300578-126c-3f9a-082d-d4c560c09879@gmail.com> <CAP4Gn9BqATHXyEbVDKvwQ_YcyUevAYoCt=PjdY5RpzWzyEVt5g@mail.gmail.com>
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Hello guys, a little update that let me more confused I reinstalled the FreeBSD with 4k pages using the sysctl vfs.zfs.min_auto_ashift =3D 12 and no errors after a lot of stress I put on it. One thing that I noticed is that with the pool as 4k, the disk fill up very fast, recompiling the kernel used my 8GB space and didn't even completed. But now I don't know if the 4k is the correct answer or if this just delays the problem as the pages are bigger. Mario Em sex., 28 de fev. de 2020 =C3=A0s 13:18, Mario Olofo <mario.olofo@gmail.c= om> escreveu: > Yes, tried 4k quirk but not on install because don't know how to, I did a > clean install then patch and rebuild the kernel, but > the volume was already configured for 512bytes, I think I would need to > create manually the volume, but don't remember how to anymore xD > But I'll search some tutorials and try. From what I saw, the patch > suggested on bugzilla got merged into the stable branch, so the quirk wil= l > be > detected to use 4k in the installer in a near future. > > Mario > > Em sex., 28 de fev. de 2020 =C3=A0s 12:52, Theron <theron.tarigo@gmail.co= m> > escreveu: > >> On 2020-02-28 09:14, Mario Olofo wrote: >> > Thanks! >> > >> > The only thing that I didn't checked was the questions of Theron, abou= t >> > misaligned data. >> > The layout of the disk is as follows: >> > >> > Disco /dev/sdb: 447,1 GiB, 480113590272 bytes, 937721856 setores >> > Unidades: setor de 1 * 512 =3D 512 bytes >> > Tamanho de setor (l=C3=B3gico/f=C3=ADsico): 512 bytes / 512 bytes >> > Tamanho E/S (m=C3=ADnimo/=C3=B3timo): 512 bytes / 512 bytes >> > Tipo de r=C3=B3tulo do disco: gpt >> > Identificador do disco: D1725E60-D734-4461-90F8-E9EB2376A65A >> > >> > Dispositivo In=C3=ADcio Fim Setores Tamanho Tipo >> > /dev/sdb1 2048 1023999 1021952 499M Windows ambiente de >> > recupera=C3=A7=C3=A3o >> > /dev/sdb2 1024000 1228799 204800 100M Sistema EFI >> > /dev/sdb3 1228800 1261567 32768 16M Microsoft reservado >> > /dev/sdb4 1261568 532482047 531220480 253,3G Microsoft dados b=C3= =A1sico >> > /dev/sdb5 532482048 549257215 16775168 8G FreeBSD ZFS >> > /dev/sdb6 549257216 937719807 388462592 185,2G Linux sistema de >> arquivos >> > >> > The zfsroot was configured automatically by the installer, so I think >> that >> > it align the volume automaticaly right? >> > >> > Mario >> >> Yes, I don't see any potential alignment issue here. I would wonder if >> this drive is misrepresenting its physical sector size, deceiving ZFS >> and the SATA driver into making small writes that the drive does not >> actually support, but it looks like you may have already tried the >> relevant workaround: >> >> On 2020-02-27 23:44, Mario Olofo wrote: >> > Maybe the problem really is a combination of factors, for the person >> that >> > filed a bug on bugzilla the fix was setting the quirks 4k and >> broken_trim, >> > but for me the real block size is 512bytes and only setting the flag >> > broken_trim didn't help... >> > >> > Mario >> Did you try 4k quirk ? >> >> Theron >> >
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