Re: isw device for volume broken after opensuse livecd boot

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I forgot to tell that after the errors in the opensuse live, I
rebooted and the intel raid bios said the raid0 volume had failed and
the raid1 was degraded. It then said the raid1 should be rebuilded in
the OS and rebooted. In the following reboot, it said the disks were
offline.

I'm pretty sure the problem originated in the opensuse livecd, because
both volumes were working in windows before I booted the livecd.
Novell bug report:
https://bugzilla.novell.com/show_bug.cgi?id=328388
It might be related to this bug:
https://bugs.launchpad.net/ubuntu/+bug/141435


So it's not possible to repair the metadata? Shouldn't I dump it and
send it to someone?

When I do the matrix raid again, if I backup the metadata and
something happens to it, can I put it back in place? How can I do
that?


On 9/26/07, Hall, Eric R <eric.r.hall@xxxxxxxxx> wrote:
> Tiago -
>
> Sounds like you were using a 'matrix raid.'  Both sda and sdb had a two
> different raid levels on them.
>
> In my experience when the OROM/Intel Matrix Storage manager reports a
> 'member offline' it is because a setting was changed in the BIOS, a hard
> disk was attached to the system after the BIOS had indexed it but before
> the OROM indexed it, or the disk was responding but failed to spin up.
>
> Verify that the settings in the BIOS for IDE are set as "RAID" and that
> all the sata ports are enabled.  Next, try to reseat the cables between
> the drives and the motherboard.
>
> The released version of dmraid rc14 does not have the ability to
> re-write metadata on the disks for Intel OROM.  I do not think that
> dmraid or device-mapper caused the problem.  The OROM is still reading
> the metadata from the disks otherwise they would not show up as a
> 'member' in the "DISK/VOLUME Information" window.
>
> Currently there is no way to rebuild a set with ISW metadata in Linux.
> You _might_ be able to recover the data from the RAID 1 by using the
> Windows iMSM (Intel Matrix Storage Manager) software; which can be
> downloaded via support.intel.com
>
> - Eric
>
>
>
>
> >-----Original Message-----
> >From: ataraid-list-bounces@xxxxxxxxxx [mailto:ataraid-list-
> >bounces@xxxxxxxxxx] On Behalf Of Tiago Freitas
> >Sent: Tuesday, September 25, 2007 4:36 PM
> >To: ataraid-list@xxxxxxxxxx
> >Subject: isw device for volume broken after opensuse livecd boot
> >
> >Hi.
> >I had a working raid array in an Intel ICH9R controller with the two
> >volumes working ( ok in windows and mandriva 2008 livecd).
> >
> >I booted the Opensuse 10.3RC2 live cd and did "dmraid -ay" and got the
> >following errors:
> >
> >ERROR: isw device for volume "RAID0" broken on /dev/sda in RAID set
> >"isw_bbcfceegje_RAID0"
> >ERROR: isw: wrong # of devices in RAID set "isw_bbcfceegje_RAID0"
> >[1/2] on /dev/sda
> >ERROR: isw device for volume "RAID1" broken on /dev/sda in RAID set
> >"isw_bbcfceegje_RAID1"
> >ERROR: isw: wrong # of devices in RAID set "isw_bbcfceegje_RAID1"
> >[1/2] on /dev/sda
> >ERROR: isw device for volume "RAID0" broken on /dev/sdb in RAID set
> >"isw_chgffgbhfa_RAID0"
> >ERROR: isw: wrong # of devices in RAID set "isw_chgffgbhfa_RAID0"
> >[1/2] on /dev/sdb
> >ERROR: isw device for volume "RAID1" broken on /dev/sdb in RAID set
> >"isw_chgffgbhfa_RAID1"
> >ERROR: isw: wrong # of devices in RAID set "isw_chgffgbhfa_RAID1"
> >[1/2] on /dev/sdb
> >ERROR: no mapping possible for RAID set isw_bbcfceegje_RAID1
> >ERROR: no mapping possible for RAID set isw_chgffgbhfa_RAID1
> >
> >Now in the intel bios it says the disks are offline.
> >The livecd must have a bug that destroys all raid arrays. I think the
> >problem is in device-mapper, because I did "dmraid --version" and the
> >device-mapper was "unknown". In mandriva it is 4.11.0. Dmraid is rc14
> >in both.
> >I don't have any logs from the live boot because the network was not
> >working.
> >
> >Is there any way to recover the raid volumes? I can provide you with
> >all the files needed, just ask.
> >
> >Thanks
> >
> >Tiago Freitas
> >
> >_______________________________________________
> >Ataraid-list mailing list
> >Ataraid-list@xxxxxxxxxx
> >https://www.redhat.com/mailman/listinfo/ataraid-list
>

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