Date: Tue, 26 Nov 2024 13:31:07 +0100 From: Johan Hendriks <joh.hendriks@gmail.com> To: freebsd-current@freebsd.org Subject: Re: IBM ServeRAID M5110e and other mfi/mrsas users - call for testing / request for information Message-ID: <9f572320-bc01-41c2-9820-74844b6ec9f1@gmail.com> In-Reply-To: <CAPyFy2CMZ6BUC7PxOhgiEncGBOgFDHSNY4H0O-DCeW-q4giGVA@mail.gmail.com> References: <CAPyFy2CMZ6BUC7PxOhgiEncGBOgFDHSNY4H0O-DCeW-q4giGVA@mail.gmail.com>
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On 25/11/2024 21:24, Ed Maste wrote: > I have a review open to switch to mrsas(4) by default, for devices > supported by both it and mfi(4). mrsas(4) should be better supported > and more functional. The review: > > https://reviews.freebsd.org/D45476 mfi: default to using mrsas(4) for > newer cards > > However, we have a report of volume corruption with the IBM ServeRAID > M5110e when used with the mrsas driver: > > PR196820 IBM x3650, ServeRAID M5110e, volumes corrupted after boot > with mrsas driver > > Clearly we do not want to corrupt users' RAID volumes, so I would like > to request feedback from mfi/mrsas users in general, and M5110e users > in particular. > > Note that there may be a possibility of data corruption, so please > investigate only on test systems. > > To test, set the loader tunable hw.mfi.mrsas_enable=1 in > /boot/loader.conf. Confirm that mrsas is being used, and that the > system functions properly. > I use Dell servers and i set the loader tuneable hw.mfi.mrsasa_enable=1 on these machines. I use ZFS, so no raid functionality off the card itself. This works fine for me. I have not have any issues. I use this setting as mrsas give me way nicer device names, i do remember having boot issues with the mfi default. But that is a long time ago.
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