Re: Breaks LSI RAID on C600 chipset

[NeilBrown <neilb@suse.de>]

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On Mon, 18 May 2015 10:58:19 -0700 "David F." <df7729@gmail.com> wrote:

> Do you think the latest version at
> http://git.neil.brown.name/?p=mdadm.git;a=summary is stable enough to
> use?   It definitely fixes the major issue (losing the raid config)
> from the prior version.

It should be OK.  I'll probably make a 3.3.3 in a little while to make it
official.

NeilBrown



> 
> On Wed, May 13, 2015 at 7:26 AM, David F. <df7729@gmail.com> wrote:
> > Thanks.
> >
> > 1) The update did fix the broken RAID.  I can reboot and the RAID
> > mirror still exists after reboots.
> >
> > 2) I do want to report that on the first test, the reboot was clean.
> > On the second reboot there was a warning message about the BIOS
> > detecting "Inconsistent Timestamps" on one of the drives and something
> > about which CONFIG the BIOS would use.  I didn't have time to get it
> > all jotted down.  Whatever it used was still okay since the RAID
> > mirror was still there after that message.
> >
> >
> > On Tue, May 12, 2015 at 5:35 PM, NeilBrown <neilb@suse.de> wrote:
> >> On Mon, 11 May 2015 09:31:26 -0700 "David F." <df7729@gmail.com> wrote:
> >>
> >>> any progress or more information needed on this?
> >>>
> >>> 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 kept 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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