nvazquez commented on issue #11561:
URL: https://github.com/apache/cloudstack/issues/11561#issuecomment-3314612518

   Thanks @ingox - I can see the virt-v2v execution fails with this error about 
read only file system:
   
   ````
   2025-09-19 20:29:15,109 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) Falling back to read-only mount because the NTFS partition is in an
   2025-09-19 20:29:15,111 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) unsafe state. Please resume and shutdown Windows fully (no 
hibernation
   2025-09-19 20:29:15,111 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) or fast restarting.)
   2025-09-19 20:29:15,112 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) Could not mount read-write, trying read-only
   2025-09-19 20:29:15,113 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) guestfsd: => mount (0x1) took 0.04 secs
   2025-09-19 20:29:15,114 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) guestfsd: <= touch (0x3) request length 56 bytes
   2025-09-19 20:29:15,115 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) guestfsd: error: open: /azw3p6uu: Read-only file system
   2025-09-19 20:29:15,115 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) guestfsd: => touch (0x3) took 0.00 secs
   2025-09-19 20:29:15,115 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) virt-v2v: error: filesystem was mounted read-only, even though we 
asked for it to be mounted read-write.  This usually means that the filesystem 
was not cleanly unmounted.  Possible causes include trying to convert a guest 
which is running, or using Windows Hibernation or Fast Restart.
   2025-09-19 20:29:15,115 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) 
   2025-09-19 20:29:15,115 INFO  
[resource.wrapper.LibvirtConvertInstanceCommandWrapper] (Script-6:[]) (logid:) 
(virt-v2v ovf source: 
/mnt/f16f10e2-5272-3087-b0e3-bf664ec5b296/4b652d79-7b7a-4108-a873-ff16fb7365f9/i-2-20-VM/
 progress) Original error message: touch: open: /azw3p6uu: Read-only file system
   ````
   
   Can you try doing a graceful shutdown of the Windows VM and then retrying 
the migration?


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