Date: Mon, 9 Sep 2019 13:55:33 +0200 From: Julien Cigar <julien@perdition.city> To: Albert Shih <Albert.Shih@obspm.fr> Cc: freebsd-questions@freebsd.org Subject: Re: Verry serious problem with ZFS & 12.0 Message-ID: <20190909115533.GM38457@home.lan> In-Reply-To: <20190909114552.GD13411@io.chezmoi.fr> References: <20190828224547.GA1557@io.chezmoi.fr> <20190829083727.GC38457@home.lan> <20190909114552.GD13411@io.chezmoi.fr>
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--dzI2QqkSBOAresgT Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 09, 2019 at 01:45:52PM +0200, Albert Shih wrote: > Le 29/08/2019 =C3=A0 10:37:28+0200, Julien Cigar a =C3=A9crit > > On Thu, Aug 29, 2019 at 12:45:47AM +0200, Albert Shih wrote: > > > Hi > > > > > > After update 4 servers from 11.2 to 12.0 without any problem, wait few > > > weeks to see if everything work well, and it did. I just upgrade my m= ail > > > server. > > > > > > During the upgrade I also upgrade all firmware for the hardware. > > > > > > And now I got a very serious issue with my server. > > > > > > Configuration : > > > > > > Dell PowerEdge R740Xd with H730P, 192 Go Ram, 2 SAS mechanical disk= for the system, > > > 2 SSD (in a zfs pool) for the mail index (cyrus), and 28 mechanical= disk > > > (in a second zfs pool) for the mailbox. > > > > > > The problem: > > > > > > After running few days the zfs pool with the 2 SSD are not respondi= ng. > > > > > > The system are perfectly working. > > > > > > The second zpool (mechanical disk) are perfectly working. > > > > > > I got zero log, zero message in the console or in dmesg. > > > > > > The arc_size are correct, it's around 70-75 %. > > > > > > The moment the zfs pool become not responding are random, not relat= ed to > > > any activity (human or cron). > > > > > > The only option I pass for the kernel related to ZFS are vfs.zfs.mi= n_auto_ashift=3D12 and > > > vfs.zfs.prefetch_disable=3D1. Without the second one the system no > > > responding (under 11.2) when the server send (through zfs send) the= data to another > > > server. > > > > > > After the first problem I make a zfs upgrade, thinking maybe that's= the > > > problem so I'm not sure I can downgrade to 11.2 (and 11.2 are EOL) > > > > > > In your opinion : > > > > > > 1/ What should I do to try to find the problem ? > > > > > > 2/ Do you think that's a hardware/firmware problem or FreeBSD probl= em, > > > the point is the second zpool are working perfectly so I'm thinking= at > > > some firmware/hardware/compatibility problem. > > > > > > > > > Regards. > > > > looks like PR 236480 > > > > see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D236480 > > >=20 > So I can confirm, with this patch the server work fine without any hang or > crash. Cool, it would be worth to add a comment to the PR (problem was observed with PostgreSQL only until now) >=20 > Thanks folks. >=20 > Regards >=20 > -- > Albert SHIH > Observatoire de Paris > xmpp: jas@obspm.fr > Heure local/Local time: > Mon 09 Sep 2019 01:44:42 PM CEST --=20 Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced. --dzI2QqkSBOAresgT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE7vn2l0to0nV7EWolsrs3EKIEI8AFAl12Pa4ACgkQsrs3EKIE I8B3oQ/9HgMA+YPFH5Xr0RNU8CsNH/ThNagXh1DoqAn+zz2uYkvWDhi+dEOLg+Sz 4S9g0z7cHwN7tohYs7hSx8KrNu+bYpwyS8m2HRMjfz+M0gokXGqWH1STpyfHZs2o vWlAEz4RwZql0P7npVhDYEnRlA72FR30rx0vbSMUCyEmxlauoj0wnl8QbZeJXBF3 +5hIIKudED7DAUAtm/8vtRDzCI6MvvytYe4ZxQFvx+b2Bc9BvBn3EVKZfMbaDAJh BwjKIv3mqirX8WvScW4xCs8ymd3/3HGB9zid9E8X3QFc503ccobo9MZOjjjBEy3f giFcNLP8f19eDsqGUpVCs6CmLrLvgiiuv3AQXuhImx6K+26lfTuIMDsFRLDxj4Lf uHL1jDGsTSSBGbV+hIvWqFk03ckwgmW4xsIDj3pzt8GwHum0zAuz3JhYuyORnkIf VSLofpoXWBFG/tjYwk3fJZHdl+cl6xReSEHZJJZVcIg+MlFr3n94JR6JC9Qqr7Vc XKTc3WoJCod3YyfskaQRkBOctiLMhnSaU2dWIJ+3BTZFT7SAAUbfzlvTHEsMLzcJ yaXHzPJOK8CzqzSforsqAmfoyT820AhyXzd2EMGX9lNfy806w5NCxsJetR5AbTXc y7QuHsw3cTrSvL6Z9vVSPp0LDA5+/nEnGWuh2VFmbV2HWyt7Mr8= =E6jh -----END PGP SIGNATURE----- --dzI2QqkSBOAresgT--
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