From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neilb@suse.de>
Subject: Re: Breaks LSI RAID on C600 chipset
Date: Wed, 13 May 2015 10:35:57 +1000
Message-ID: <20150513103557.1df6036d@notabene.brown>
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To: "David F." <df7729@gmail.com>
Cc: John Stoffel <john@stoffel.org>, "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
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On Mon, 11 May 2015 09:31:26 -0700 "David F." <df7729@gmail.com> wrote:

> any progress or more information needed on this?
>=20
> On Mon, Apr 20, 2015 at 10:39 PM, David F. <df7729@gmail.com> wrote:
> > If you need access to the system, a network kvm is available - or if
> > you have a C600 based system, you should see the same problem there.
> >
> > On Fri, Apr 10, 2015 at 1:07 PM, David F. <df7729@gmail.com> wrote:
> >> Okay, and to confirm, this is happening on other C600 based systems.
> >> Boot to Linux with MDADM raid support and the raid is gone after
> >> reboot.
> >>
> >> On Thu, Apr 9, 2015 at 5:50 PM, NeilBrown <neilb@suse.de> wrote:
> >>> On Thu, 9 Apr 2015 14:13:05 -0700 "David F." <df7729@gmail.com> wrote:
> >>>
> >>>> Hello,
> >>>>
> >>>> I built a new system, installed new drives (no partitioning, just raw
> >>>> new drives), configured RAID 1, boot to linux, created reports
> >>>> attached.  Rebooted and the system doesn't see any configured raid
> >>>> drives (just the two raw drives).
> >>>
> >>> Thanks.  I might take a look, but I would greatly prefer it if you ke=
pt the
> >>> linux-raid list on the Cc.....
> >>>
> >>> NeilBrown
> >>>

I must confess that I haven't even looked at it.
But I just saw and email on linux-raid from Martin Wilck:

 Subject: [PATCH] DDF: _write_super_to_disk: fix anchor header type

which very likely fixes your problem.  I've applied it and pushed out to
   git://neil.brown.name/mdadm/

NeilBrown

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