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Jyri Hovila
Username: jhovila

Registered: N/A
Posted on Tuesday, Jan 16, 2007 - 16:13:   

Hi!

Once again I'm working with a broken Lacie enclosure with two 250 GB disks inside. The enclosure uses JBOD to pack the drives together as one virtual drive.

To access the contents of the JBOD stack conveniently, one has to create an image file that contains contents of both of the drives. As no imaging tool I know, except for dd, allows you to append data to an already existing image file, you have to create two images and then concatenate them with some suitable tool (copy file1.dd+file2.dd fullfile.dd). This approach is slow, and requires quite a lot of HD space for the images.

As WinHex already has a method of assembling RAID 0 and 5, I assume it would be pretty easy to add support for JBOD too. After all, it's a very simple system compared to RAID.

Yours,

Jyri Hovila
Director of Technology
DataPrey Finland Ltd.
www.dataprey.fi
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Stefan Fleischmann
Username: admin

Registered: 1-2001
Posted on Tuesday, Jan 16, 2007 - 19:51:   

> you have to create two images and then concatenate them
> with some suitable tool (copy file1.dd+file2.dd
> fullfile.dd

X-Ways Forensics can interpret them automatically as one spanned image if only the segments are named according to the naming rules, so they do not have to be actually concatenated.

As for doing the same with physical disks (not images of physical disks): Will keep your suggestion in mind.
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Greg
Username: gtd4242

Registered: N/A
Posted on Saturday, May 12, 2007 - 17:15:   

Are the Big Disk Extreme Lacie's configured the same way? I have a 4-disk 1TB Lacie that was having controller issues, and actually shorted one of the drives. I repaired the drive, cloned it, and then put it into a perfectly working enclosure, the exact same model. While the disk was recognized properly, the original partitions were not found, even in WinHex.

I was thinking about taking the 4 drives out of the enclosure and using them with WinHex that way, but I didn't think there was a way to do this, since I had always thought that Lacie used JBOD on all their bigger drives.

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