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Re: Not being able to recover a RAID 5 20 Tb partition, help needed

To: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Subject: Re: Not being able to recover a RAID 5 20 Tb partition, help needed
From: "Juan A. Sillero" <juan.sillero@xxxxxxxxx>
Date: Fri, 31 Jan 2014 20:31:25 +0100
Cc: Roger Willcocks <roger@xxxxxxxxxxxxxxxx>, Guillem Borrell i Nogueras <guillem@xxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
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In-reply-to: <20140129184250.7af7200f@xxxxxxxxxxxxxxxxxxxx>
References: <1391002795.2573.79.camel@xxxxxxxxxxxxxxxxx> <1391009068.4294.83.camel@xxxxxxxxxxxxxxxxxxxxxxxx> <1391014448.2573.95.camel@xxxxxxxxxxxxxxxxx> <20140129184250.7af7200f@xxxxxxxxxxxxxxxxxxxx>
Hello Emmanuel,

The disk controller are QLogic:

04:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI 
Express HBA (rev 02)
04:00.1 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI 
Express HBA (rev 02)
05:00.0 Fibre Channel: QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI 
Express HBA (rev 03)
05:00.1 Fibre Channel: QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI 
Express HBA (rev 03)

06:00.0 InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe 2.0 5GT/s 
- IB QDR / 10GigE] (rev b0)


Thanks again,

Juan

On Jan 29, 2014, at 6:42 PM, Emmanuel Florac <eflorac@xxxxxxxxxxxxxx> wrote:

> Le Wed, 29 Jan 2014 17:54:08 +0100
> "Juan A. Sillero" <sillero@xxxxxxxxxxxxxxxxxx> écrivait:
> 
>> We'd like to know your opinion about what to do next. The data is
>> still probably on the disks, but the RAID topology is gone.  We'd
>> also like to know if someone has experienced a similar hardware
>> problem that could give us some advice.
> 
> I tought it was a dmraid raid 5 device? If it's a RAID controller, what
> brand/model is it? 
> 
> At this point you could give a try to UFS Explorer.
> 
> -- 
> ------------------------------------------------------------------------
> Emmanuel Florac     |   Direction technique
>                    |   Intellique
>                    |  <eflorac@xxxxxxxxxxxxxx>
>                    |   +33 1 78 94 84 02
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