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SoftRAID Volume IDs as EFI 12 TB MS DOS Volume

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(@kaijujoe66)
Posts: 36
Eminent Member
Topic starter
 

I had a SoftRAID single 12 TB RAID 5 volume made up of 4 disks that now identifies as a 12 TB EFI volume only and does not have the volume I created available.  I am on SoftRAID 8.5 and this is a ThunderBay 4 enclosure.  Mac OS 15.5.  Any tips to recover my volume?  Thanks.

 
Posted : 20/05/2025 1:44 pm
(@softraid-support)
Posts: 9197
Member Admin
 

Can you attach a SoftRAID tech support file?

this often means a rogue utility overwrote or initialized the SoftRAID status partition with data. SoftRAID volumes are "write protected" in the partition map area, when the volume is mounted, so this 'should' be impossible, but we have seen it happen several times. Its often disktool (disk utility essentially), (for example during macOS upgrades) but has also happened by other apps that gain root access to the system.

I can take a look, but it may be difficult to recover your data, especially if more than a megabyte of data was written, which may be the case.

 
Posted : 21/05/2025 1:23 pm
KaijuJoe66 reacted
(@kaijujoe66)
Posts: 36
Eminent Member
Topic starter
 

@softraid-support It does seem to have occurred after a Mac OS Update.  I do have the most crucial data on Backblaze.  If recovery is not possible, how would I go about restoring the volume to a useable state?

This post was modified 11 months ago by KaijuJoe66
 
Posted : 21/05/2025 1:34 pm
(@kaijujoe66)
Posts: 36
Eminent Member
Topic starter
 

Here is the support tech file.

 

 
Posted : 21/05/2025 1:44 pm
(@softraid-support)
Posts: 9197
Member Admin
 

@kaijujoe66 

What I can see is the volume was erased as APFS. (or converted). Did MacOS ask to convert this volume to Time Machine? that would explain this perfectly.

 

You would need to delete the volume and create it again. I am not sure if it is recoverable, but you can scan it wiht the DisK Drill free trial to see what it comes up with (before paying for it, only pay if it appears you will recover your "folder structure" and file names.)

 
Posted : 21/05/2025 3:59 pm
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