4 HDD's in JBOD enclosure all of a sudden not accessible.

volcom4c

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Sep 4, 2012
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I have an Orico 4 bay JBOD enclosure that has been running fine for months. All of a sudden when booting up today I noticed all the driver names were defaulted to "local disk A:, B:, etc..
When clicking on a drive windows says they are not accessible and says I need to format them, which I obviously don't want to do. I have seen many other forums saying to do Chkdsk via the CMD promt. I started this but 1 8GB drive was going to take 17 hours, I stopped it after running 8 hours. I took them out if the JBOD and tried them in a single HDD dock and they are still not accessible. Is there a known actual fix for this or known cause for all 4 drives simultaneously being inaccessible? Could the JBOD enclosure have done this? Is there a quick way to rebuilt the master boot table/record? Or is that even what the issue is?

System Specs:
- Windows 10 Creators update(newest)
- i7 6700k(stock)
- 32GB Corsair dominator
- Asus Hero VIII Alpha(newest bios)
- All external drives in question are x2 Seagate 4GB Constellations ans x2 Seagate 8GB Archive HDDs(please don't just give me your opinion on the Seagate brand, I know, they are not my main HDDs.

Thanks in advance
 

JaredDM

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You can probably use data recovery software to reconstruct the JBOD, but not likely free software. At the very least you'd need something like R-Studio. If you need more specific guidance you should probably find a forum dedicated to data recovery where you'll get more specific advice geared toward that.

Try googling "data recovery forum" and post there.
 

volcom4c

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Sep 4, 2012
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Thanks for the response, but like I said I googled and browsed forums and tried some of their options with no success. I just thought it may be some issue with windows and not all 4 drives being simultaneously made unreadable. The fact that it all happened to all four at the same time made me think it was something that could be reversed the same way or something. Was trying not to have to spend 8+ hours per drive recovering and moving to new drives.
 

volcom4c

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Sep 4, 2012
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Ok revisiting this. I had the 4 HDDs in a JBOD all become inaccessible at once and prompt to format. I as able to recover some but not all of the data. I as assuming it was something wrong with the enclosure.
Well today I have another 5TB external have the same thing happen today. Tried to access the drive and Windows is saying the drive needs to be formatted...5th HDD in about a month. Has anyone heard of this happening or have any idea what it may be? Windows is fully updated, this HDD is a WD Black in a Rosewill External enclosure with a fan. Thanks
 

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