Data Recovery from Buffalo NAS

[Eric Cope]

I used UFS Explorer.  They gave a tutorial to recover the very product. The
hard drives are intact. In fact, I am using only 3 hard drives to recover
the data.

Thanks for the links.

Eric

On Fri, Nov 20, 2009 at 11:26 PM, Lisa Kachold <lisakachold at obnosis.com>wrote:

> I think he used a tool that is advocated by Buffalo, that was
> referenced in a former link and solved it.
>
> On 11/20/09, Technomage <technomage.hawke at gmail.com> wrote:
> > um. recovering data on a raid 5??
> >
> > is the array still intact or is it broken. if the latter, its will be
> > orders of magnitude more difficult
> > (but still doable).
> >
> > here's a clip from www.diydatarecovery.nl:
> > **************************************************
> > *Data recovery from a broken array*
> >
> > Due to the parity information a RAID 5 array can survive one single disk
> > failing, RAID 5 is 'fault tolerant'. The falling disk can be replaced
> > (hot swapped) and the data on the disk is rebuild using the parity
> > information. However due to circumstances this may fail. It can also
> > happen that the RAID adapter itself fails and very often it is not
> > possible to migrate an existing array to another RAID adapter. As a
> > result you have a bunch of disks, all containing bits of your data but
> > you can not access that data. This is where you will need true RAID
> > capable data recovery software.
> >
> > You will need software that can treat the separate disks as one single
> > array. The software should enable the user to add disks that were part
> > of the array and to configure RAID parameters such as stripe size.
> > However many will not be knowledgeable enough to provide the parameter
> > sets thus ideally the software should be able to detect RAID parameters
> > such as stripe size and rotation (for example, in above illustration you
> > see forward rotation, inverted rotation is also possible).
> >
> > As soon as the software has virtually recreated the array data recovery
> > proceeds normally; the disk is being scanned for file system structures
> > and a virtual file system is created from which data can be recovered.
> > DIY DataRecovery iRecover <http://www.diydatarecovery.nl/irecover.htm>
> > follows this procedure. Alternatively the reconstructed array is copied
> > entirely to another disk or raw image file. The destination disk can
> > then be analysed with any data recovery software, an image can be
> > analyzed with any software that is capable of processing a raw image
> > file. The latter is the method used by RAID Reconstructor from Runtime
> > Software (www.runtime.org <http://www.runtime.org/raid.htm>)
> > ***************************************************
> >
> > hope this helps.
> >
> >
> > Eric Cope wrote:
> >> Hello all,
> >> My friend was running off of a Buffalo NAS, which died. Does anyone know
> >> how
> >> to recover his files from a RAID 5 configuration?
> >> Thanks,
> >> Eric
> >>
> >>
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-- 
Eric Cope
http://cope-et-al.com
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