Date: Wed, 23 Jan 2019 08:15:46 +0100 From: Borja Marcos <borjam@sarenet.es> To: andy thomas <andy@time-domain.co.uk> Cc: Steven Hartland <killing@multiplay.co.uk>, freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: ZFS on Hardware RAID Message-ID: <6E23ED3B-B163-40E5-A173-14EE47E00E5A@sarenet.es> In-Reply-To: <alpine.BSF.2.21.1901221349090.31758@mail0.time-domain.co.uk> References: <1180280695.63420.1547910313494.JavaMail.zimbra@gausus.net> <92646202.63422.1547910433715.JavaMail.zimbra@gausus.net> <CAOeNLurgn-ep1e=Lq9kgxXK%2By5xqq4ULnudKZAbye59Ys7q96Q@mail.gmail.com> <alpine.BSF.2.21.1901200834470.12592@mail0.time-domain.co.uk> <1691666278.63816.1547976245836.JavaMail.zimbra@gausus.net> <alpine.BSF.2.21.1901200930550.12592@mail0.time-domain.co.uk> <CAMdBLfQvF7mXriwAvu-h5BaXBNhb_8VPRRfDmeM0u1NGoyWY_g@mail.gmail.com> <92746659-4B3F-415C-BB6A-6C99837AFAF2@sarenet.es> <335e44ec-7c76-8dbd-f587-46e6a9266efc@multiplay.co.uk> <A593D329-3526-4B5A-BCEF-7C17FA5FFA49@sarenet.es> <alpine.BSF.2.21.1901221349090.31758@mail0.time-domain.co.uk>
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> On 22 Jan 2019, at 14:55, andy thomas <andy@time-domain.co.uk> wrote: >=20 > On Tue, 22 Jan 2019, Borja Marcos wrote: >=20 > <snip> >=20 >> Currently you can use hw.mfi.allow_cam_disk_passthrough tunable to = achieve the same effect without ugly tinkering. >=20 > The 'hw.mfi.allow_cam_disk_passthrough' tunable does not seem to be = recognised if I add it to my /boot/device.hints file (this is on FreeBSD = 10.3 with PERC 5/i controller). If I try to use sysctl to enable it, I = get the error message: >=20 > sysctl: unknown oid 'hw.mfi.allow_cam_disk_passthrough' >=20 > Am I doing something wrong? My fault. You need to load the CAM passthrough driver, mfip along mfi. mfip should recognize it. % fgrep -H passthrough *c mfi_cam.c:SYSCTL_INT(_hw_mfi, OID_AUTO, allow_cam_disk_passthrough, = CTLFLAG_RDTUN, My apologies, been a while! By the way, some of these =E2=80=9Cpure raid=E2=80=9D cards can be cross = flashed to be plain HBAs but it=E2=80=99s a risky procedure. I bricked = one or two. Borja.
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