Xen devel - Oct 2010 - What the most efficient way to access HVM guest''s filesystem from dom0?

Hi,
What the most efficient way to get a file from a Windows HVM guest from dom0
when the guest is running? No need to change the file, just read it.
Hu Shaolong


      

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> 
> Hi,
> 
> What the most efficient way to get a file from a Windows HVM guest from
dom0
> when the guest is running? No need to change the file, just read it.
> 
If the DomU is running on top of LVM then an LVM snapshot which is then mounted
in Dom0 using ntfs-3g is probably the best way.

If not running LVM (or a SAN that can take snapshots) then I think your only
other choice is smbclient.

In theory, you could take a VSS snapshot in DomU, then mount that snapshot in
Dom0 and read that, but I don''t know if software exists to do that, or
if it would work anyway.

James

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