Date: Fri, 23 Jan 2015 23:21:32 +1000 From: David Gwynne <david@gwynne.id.au> To: Ahmed Kamal <email.ahmedkamal@googlemail.com> Cc: freebsd-scsi@freebsd.org Subject: Re: Dell branded storage controller for ZFS file-server | Advice requested Message-ID: <5BA9C549-9159-4A85-8C37-C30D700C8E4A@gwynne.id.au> In-Reply-To: <CANzjMX7vtayMt-q8uhDXK=A760ZWWG0kAkp6suPuDTf5j7EuUA@mail.gmail.com> References: <CANzjMX4GXf_jMMKZVSE3kf4NCvOUR0anjda3KSvFTNn6-%2BWmGg@mail.gmail.com> <EDB1FFA8-5311-4846-BCFF-127DF9A71453@gwynne.id.au> <CANzjMX4eyuPJ1qFvye6ECHDbJq8OZdoE7F2PzpaAFiME06fX5A@mail.gmail.com> <A427E3EC-2732-4295-B303-31910B8C1762@gwynne.id.au> <CANzjMX7vtayMt-q8uhDXK=A760ZWWG0kAkp6suPuDTf5j7EuUA@mail.gmail.com>
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> On 23 Jan 2015, at 11:02 pm, Ahmed Kamal = <email.ahmedkamal@googlemail.com> wrote: >=20 > scary stuff .. so just to be clear: >=20 > - LSI SAS hba =3D> disks DONT spin up > - h310 in jbod mode =3D> disks DONT spin up > - h330 in jbod mode =3D> disks work fine ? h330 doing jbod is a supported config from dell, so if it doesnt work = should be able to have a little tantrum and get them to fix it or = replace bits till it does work. >=20 > Note that currently dell's web configurator, only sells h330 with = r730(xd) not r720(xd) .. The r720 comes with h310 or h710 afaict yes. > Note 2, Illumos people are able to pass a driver parameter to spin up = crappy dell disks .. check=20 > = http://www.listbox.com/member/archive/182179/2013/06/sort/from/page/4/entr= y/15:430/20130617155143:52F0F7EA-D787-11E2-84A9-87C6F7D228D8/ you can patch your kernels as much as you want to, but you cant fix the = bios in the machine. if you want to boot off disks like that in a jbod = config you'll need ones that spin up when they get power. dlg=
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