From: NeilBrown <neilb@suse.de>
To: Andriano <chief000@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID6 issues
Date: Tue, 13 Sep 2011 08:25:11 +0200 [thread overview]
Message-ID: <20110913082511.3c34dec9@notabene.brown> (raw)
In-Reply-To: <CAGZH0-dz9y5=vH7PQr8VRy15i1WsuAxKjPPpmx8-1UqCaJnRxg@mail.gmail.com>
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On Tue, 13 Sep 2011 16:14:51 +1000 Andriano <chief000@gmail.com> wrote:
> Hello Linux-RAID mailing list,
>
> I have an issue with my RAID6 array.
> Here goes a short description of the system:
>
> opensuse 11.4
> Linux 3.0.4-2-desktop #1 SMP PREEMPT Wed Aug 31 09:30:44 UTC 2011
> (a432f18) x86_64 x86_64 x86_64 GNU/Linux
> Gigabyte EP35C-DS3 motherboard with 8 SATA ports + SuperMicro
> AOC-SASLP-MV8 based on Marvel 6480, firmware updated to 3.1.0.21
> running mdadm 3.2.2, single array consists of 10 2T disks, 8 of them
> connected to the HBA, 2 - motherboard ports
>
> I had some issues with one of the onboard connected disks, so tried to
> plug it to different ports, just to eliminate possibly faulty port.
> After reboot, suddenly other drives got kicked out from the array.
> Re-assembling them gives weird errors.
>
> --- some output ---
> [3:0:0:0] disk ATA ST2000DL003-9VT1 CC32 /dev/sdb
> [5:0:0:0] disk ATA ST2000DL003-9VT1 CC32 /dev/sdc
> [8:0:0:0] disk ATA ST32000542AS CC34 /dev/sdd
> [8:0:1:0] disk ATA ST32000542AS CC34 /dev/sde
> [8:0:2:0] disk ATA ST32000542AS CC34 /dev/sdf
> [8:0:3:0] disk ATA ST32000542AS CC34 /dev/sdg
> [8:0:4:0] disk ATA ST32000542AS CC34 /dev/sdh
> [8:0:5:0] disk ATA ST2000DL003-9VT1 CC32 /dev/sdi
> [8:0:6:0] disk ATA ST2000DL003-9VT1 CC32 /dev/sdj
> [8:0:7:0] disk ATA ST2000DL003-9VT1 CC32 /dev/sdk
>
> #more /etc/mdadm.conf
> DEVICE partitions
> ARRAY /dev/md0 level=raid6 UUID=82ac7386:a854194d:81b795d1:76c9c9ff
>
> #mdadm --assemble --force --scan /dev/md0
> mdadm: failed to add /dev/sdc to /dev/md0: Invalid argument
> mdadm: failed to add /dev/sdb to /dev/md0: Invalid argument
> mdadm: failed to add /dev/sdh to /dev/md0: Invalid argument
> mdadm: /dev/md0 assembled from 7 drives - not enough to start the array.
>
> dmesg:
> [ 8215.651860] md: sdc does not have a valid v1.2 superblock, not importing!
> [ 8215.651865] md: md_import_device returned -22
> [ 8215.652384] md: sdb does not have a valid v1.2 superblock, not importing!
> [ 8215.652388] md: md_import_device returned -22
> [ 8215.653177] md: sdh does not have a valid v1.2 superblock, not importing!
> [ 8215.653182] md: md_import_device returned -22
>
> mdadm -E /dev/sd[b..k] gives exactly the same Magic number and Array
> UUID for every disk, all checksums are correct,
> the only difference is - Avail Dev Size : 3907028896 is the same for
> 9 disks, and 3907028864 for sdc
Please provide that output so we can see it too - it might be helpful.
NeilBrown
>
> mdadm --assemble --force --update summaries /dev/sd.. - didn't improve anything
>
>
> I would really appreciate if someone could point me to the right direction.
>
> thanks
>
> Andrew
> --
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next prev parent reply other threads:[~2011-09-13 6:25 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-13 6:14 RAID6 issues Andriano
2011-09-13 6:25 ` NeilBrown [this message]
2011-09-13 6:33 ` Andriano
2011-09-13 6:44 ` NeilBrown
2011-09-13 7:05 ` Andriano
2011-09-13 7:38 ` NeilBrown
2011-09-13 7:51 ` Andriano
2011-09-13 8:10 ` NeilBrown
2011-09-13 8:12 ` Alexander Kühn
2011-09-13 8:44 ` Roman Mamedov
2011-09-13 8:57 ` Andriano
2011-09-13 9:05 ` Andriano
2011-09-13 10:29 ` Roman Mamedov
2011-09-13 10:44 ` Andriano
2011-09-13 13:45 ` Andriano
2011-09-27 18:46 ` Thomas Fjellstrom
2011-09-27 19:14 ` Stan Hoeppner
2011-09-27 21:04 ` Thomas Fjellstrom
2011-09-28 2:47 ` Stan Hoeppner
2011-09-28 6:52 ` Thomas Fjellstrom
2011-09-28 6:03 ` Mikael Abrahamsson
2011-09-28 6:53 ` Thomas Fjellstrom
-- strict thread matches above, loose matches on Subject: below --
2011-09-13 14:24 NeilBrown
2011-06-16 20:28 raid6 issues Chad Walker
2011-06-18 19:48 ` Chad Walker
2011-06-18 19:55 ` Chad Walker
2011-06-18 23:01 ` NeilBrown
2011-06-18 23:14 ` Chad Walker
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