Hey All,

 

I've been running a Win10 VM for a while now successfully passing through 2x Blu-Ray ODD (SATA to MB).

 

However following a recent Win10 update on the VM, Win10 now only sees 1 of the 2 ODD Drives (Win10 finds Host8 but can't ever seem to find host7).  I've double checked the VM XML and nothing has changed there.  I have checked the lsscsi list on UNRAID and it still sees both ODD Drives.

 

In case i've gone blind here is the lsscsi listing for the 2 ODD

...
[7:0:0:0]    cd/dvd  PIONEER  BD-RW  BDR-S13JX 1.04  /dev/sr0 
[8:0:0:0]    cd/dvd  PIONEER  BD-RW   BDR-209D 1.10  /dev/sr1
...

 

 

 and here are the relevant sections of the the VM XML

    <controller type='scsi' index='0' model='virtio-scsi'>
      <alias name='scsi0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
    </controller>
    <controller type='scsi' index='1' model='virtio-scsi'>
      <alias name='scsi1'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x0c' function='0x0'/>
    </controller>

...

<hostdev mode='subsystem' type='scsi' managed='no'>
      <source>
        <adapter name='scsi_host7'/>
        <address bus='0' target='0' unit='0'/>
      </source>
      <readonly/>
      <alias name='hostdev0'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </hostdev>
    <hostdev mode='subsystem' type='scsi' managed='no'>
      <source>
        <adapter name='scsi_host8'/>
        <address bus='0' target='0' unit='0'/>
      </source>
      <readonly/>
      <alias name='hostdev1'/>
      <address type='drive' controller='1' bus='0' target='0' unit='0'/>
    </hostdev>

 

 

Any thoughts or suggestions would be much appreciated.

 

(Oh and some idiot didn't realise until too late that System Restore Points isn't turned on on the WIN10 VM.)

 

EDIT: Other things I've tried/looked at...

• Checked Device Manager and no "unknown SCSI devices" found
• Checked Disk Manager, in case the ODD was there but had not been assigned a Drive Letter.
• Tried changing/creating new SCSI controllers for the missing ODD and no change.
• Tried an Alternative method for passing through the missing ODD by removing it from the controller/hostdev sections, and listing it as a (CDROM) disk in the Devices Section.

 

Edited April 21, 20242 yr by Fidelis

have you tried temporarily passing them to a different vm to see if its a windows issue or the host (Unraid)?