Date: Thu, 10 Jul 2014 15:12:58 +0530 From: Kashyap Desai <kashyap.desai@avagotech.com> To: Francois Tigeot <ftigeot@wolfpond.org>, FreeBSD-scsi <freebsd-scsi@freebsd.org> Subject: RE: Data corruption with the mfi(4) driver Message-ID: <7a96b42e065ef52becc6430e8c951a55@mail.gmail.com> In-Reply-To: <20140710092251.GA1206@sekishi.zefyris.com> References: <20140710092251.GA1206@sekishi.zefyris.com>
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Francois Tigeot, Thanks for the post. Does it means DragFly will add below line in "loader.conf" to keep mrsas as default priority ? hw.mfi.mrsas_enable=1 OR Any plan to change the probe return value of mrsas and mfi ? ` Kashyap > -----Original Message----- > From: owner-freebsd-scsi@freebsd.org [mailto:owner-freebsd- > scsi@freebsd.org] On Behalf Of Francois Tigeot > Sent: Thursday, July 10, 2014 2:53 PM > To: FreeBSD-scsi > Subject: Data corruption with the mfi(4) driver > > Hi, > > I have encountered catastrophic data corruption with LSI RAID adapters from > recent Dell servers (R720xd). The adapters apparently worked fine at first but > eventually destroyed the filesystems of volumes experiencing a high load. > > I found out the hard way a Postgres database import was a sure way to > reproduce the problem. > Switching to the mrsas(4) driver made my test machine stable again; I have > yet to encounter a similar issue with it. > > Now, this particular server was running under DragonFly and not FreeBSD but > the mfi(4) driver is mostly the same under both operating systems and I have > found reports of data corruption issues with mfi(4) and recent LSI adapters in > the archives of this list. > > DragonFly will most likely switch to use mrsas(4) by default for at least the LSI > Thunderbolt serie of adapters to avoid data loss. > > This mail from the mfi(4) and mrsas(4) maintainer contains more details, > including a partial list of impacted adapters: > http://lists.dragonflybsd.org/pipermail/users/2014-July/128703.html > > -- > Francois Tigeot > _______________________________________________ > freebsd-scsi@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-scsi > To unsubscribe, send any mail to "freebsd-scsi-unsubscribe@freebsd.org"
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