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I have received an old hard drive (previously used in Drobo) and want to extract its data. Not sure how was used in Drobo and what has been the filesystem type.

I connect it to my systems which has Ubuntu 18.04 installed. The disk is recognized in the "Disks" but cannot be mounted. The drive seems to have only one partition (e.g. /dev/sdc) and shown as Unknown.

Image taken from Disk

When checking the options in the gears on the bottom-left side (see attached), all the options except "Format Partition, Create Partition Image, Restore Partition Image, and Benchmark Partition" are deactivated.

I was wondering if there is a solution for how to extract the data from this hard drive?

Thanks in advance for your comments. Cheers

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    Drobos normally put the drive into either a RAID 5, RAID 6, etc. which probably means that this drive was part of an array and without the other disks you may not be able to recover or copy anything from it.
    – Terrance
    May 21 '19 at 20:05
  • Each should be an independent copy of the files, though. Is not it? Anyway, I have other drives used in the same Drobo. Could you please explain how to use all of them to recover the data? Tnx
    – Mon
    May 21 '19 at 20:17
  • The RAID they setup are striped sets for redundancy if 1 or possibly 2 drives fail. But because this data is striped without the other disks the data is incomplete. It has been a long time since I used a Drobo last, but if the unit went bad you might have a chance if you could put them all back in another unit. If not, I don't know if it can be done due to the encoding type that the Drobo may use.
    – Terrance
    May 21 '19 at 20:19
  • I checked another SATA hard drive which has the same problem BUT has not been used in Drobo. So, maybe it is not merely because of Drobo.
    – Mon
    May 21 '19 at 20:29
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    It also looks like Drobo uses their own proprietary stuff which would make it impossible to mount any of these drives in a standard computer. drobo.com/reality-check-all-raid-is-proprietary
    – Terrance
    May 22 '19 at 2:19

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