From: Stefan Borggraefe <stefan@spybot.info>
To: "Mathias Burén" <mathias.buren@gmail.com>
Cc: Linux-RAID <linux-raid@vger.kernel.org>
Subject: Re: Help with recovering a RAID5 array
Date: Thu, 02 May 2013 15:29:48 +0200 [thread overview]
Message-ID: <3800236.bN8bMq2WMZ@chablis> (raw)
In-Reply-To: <CADNH=7EZFx1DPAiXMWav5S6FN+0Tb1JxNxrHVczfaDAEwW-oVA@mail.gmail.com>
Am Donnerstag, 2. Mai 2013, 14:17:04 schrieb Mathias Burén:
> On 2 May 2013 14:14, Stefan Borggraefe <stefan@spybot.info> wrote:
> > Am Donnerstag, 2. Mai 2013, 13:30:22 schrieb Mathias Burén:
> >> I won't scold you for using RAID5 instead of RAID6 with this number of
> >> if drives and especially the size of the drives.
> >>
> >> Could you please post the output of smartctl -a for each device? (from
> >> smartmontools)
> >>
> >> That way we can verify which HDDs are broken, before proceeding.
> >>
> >> Mathias
> >
> > Hello Mathias,
> >
> > RAID6 would have been the safer option clearly, but we needed the
> > extra-space and only had this number of drives available.
> >
> > Here the requested output:
> >
> > smartctl -a /dev/sdc
> > smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-37-generic] (local
> > build) Copyright (C) 2002-11 by Bruce Allen,
> > http://smartmontools.sourceforge.net
> >
> > Vendor: Hitachi
> > Product: HUS724040ALE640
> > Revision: MJAO
> > User Capacity: 4.000.787.030.016 bytes [4,00 TB]
> > Logical block size: 512 bytes
> > Logical Unit id: 0x5000cca22bd08a85
> > Serial number: PK2331PAH5D0YT
> > Device type: disk
> > Local Time is: Thu May 2 15:09:16 2013 CEST
> > Device supports SMART and is Enabled
> > Temperature Warning Disabled or Not Supported
> > SMART Health Status: OK
> >
> > [...]
>
> Hm are these behind some controller of sorts? What about smartctl -x ?
We use an Adaptec 71605 controller. smartctl -x does not provide any more
useful information, I suppose. I only post the output of one drive as an
example this time. They all give a similar result.
smartctl -x /dev/sdc
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-37-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
Vendor: Hitachi
Product: HUS724040ALE640
Revision: MJAO
User Capacity: 4.000.787.030.016 bytes [4,00 TB]
Logical block size: 512 bytes
Logical Unit id: 0x5000cca22bd08a85
Serial number: PK2331PAH5D0YT
Device type: disk
Local Time is: Thu May 2 15:20:55 2013 CEST
Device supports SMART and is Enabled
Temperature Warning Disabled or Not Supported
SMART Health Status: OK
Current Drive Temperature: <not available>
Error Counter logging not supported
Device does not support Self Test logging
Device does not support Background scan results logging
scsiPrintSasPhy Log Sense Failed [unsupported field in scsi command]
What about the state of the software RAID5? It would be great if I
could bring it back to a state where the filesystem on it is fully
working again without having to copy the 20 TB of data to it again
(copying this amount of data takes some time :( ).
--
Best regards,
Stefan Borggraefe
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next prev parent reply other threads:[~2013-05-02 13:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-02 12:24 Help with recovering a RAID5 array Stefan Borggraefe
2013-05-02 12:30 ` Mathias Burén
2013-05-02 13:14 ` Stefan Borggraefe
2013-05-02 13:17 ` Mathias Burén
2013-05-02 13:29 ` Stefan Borggraefe [this message]
2013-05-02 13:49 ` Mathias Burén
2013-05-02 14:17 ` Stefan Borggraefe
2013-05-03 8:38 ` Ole Tange
2013-05-04 11:13 ` Stefan Borggraefe
2013-05-06 6:31 ` NeilBrown
2013-05-06 8:12 ` Stefan Borggraefe
2013-05-10 10:14 ` Stefan Borggraefe
2013-05-10 10:48 ` NeilBrown
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