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Video card passthrough to VM kills one disk (makes unmountable)

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Yes, yes, it is strange, but it is what it is... and I dont understand why. Also I did lost my VM. And How do I know it is the VM and not the disk?,  because I did it twice!!, first time i thought "Mhh... I did forget to format this disk!?", now, second time i have lost not only the disk VM and the work that was there, I will also have to spend 4 hours copying data to the disk... :'(  

 

1. I did create my VM (with help of Spaceinvader One's macinabox)

2. I did play around with my new machine, setting up for some work...

3. I did install a some dockers and configure them....

4. I did change the xml to passthrough an AMD RX570

5. VM starts ok, but at a point i got a read error from the server 2 disks with read errors.

6. I did re-start the machine, but this time one disk is unmountable but no errors.

7. Im here.

 

So the vc is 

IOMMU group 19:[1002:67df] 25:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev ef)

IOMMU group 20:[1002:aaf0] 25:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]

 

affected disk is 

[6:0:0:0]disk ATA ST4000DM004-2CV1 0001 /dev/sde 4.00TB

 

The code I did use for passthrough :

<hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='vfio'/>
      <source>
        <address domain='0x0000' bus='0x25' slot='0x00' function='0x0'/>
      </source>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0' multifunction='on'/>
    </hostdev>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='vfio'/>
      <source>
        <address domain='0x0000' bus='0x25' slot='0x00' function='0x1'/>
      </source>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x1'/>
    </hostdev>

 

**I was waiting some days before to use the biggest disk as partition (5TB) because I have some valuable info there.

 

What kind of help I want?, not much, if you have a way to recover the disk it will be welcomed, also if you can point out what im doing wrong so i will not screw this up again.

 

Thanks!!

 

Helpme SPACEINVADER ONE you are my only hope! :D

 

 

 

newarchivaldo-diagnostics-20200520-1745.zip

  • Author

Also, using xfs_repair:

 xfs_repair -v /dev/sde
Phase 1 - find and verify superblock...
bad primary superblock - bad magic number !!!

attempting to find secondary superblock...
..found candidate secondary superblock...
unable to verify superblock, continuing...

[dots, a lot of dots]

Archived

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