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[Launchpad Bug Tracker <1298192@xxxxxxxxxxxxxxxxxx>]

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We are unable to take backups of Generation 2 VMs because they include a
FAT 32 EFI partition. This patch ignores such partitions while freezing
the file-system to take a snapshot during the initial stages of the
backup process. Since EFI partition is not expected to be modified
regularly, the ignore functionality should address the problem. Please
include the following upstream patch in the vss daemon:

Tools: hv: vssdaemon: Ignore VFAT mounts during the Freeze operation
If the guest has a FAT file system mounted, skip it during the FREEZE
operation. With this change we can support host initiated backup of
the guest even when the guest may have FAT file systems mounted.

https://git.kernel.org/cgit/linux/kernel/git/next/linux-
next.git/commit/tools/hv/hv_vss_daemon.c?id=f33b215549938f89aebf862b942366d2aa41c191

Thanks,
Abhishek

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: Tim Gardner (timg-tpi)
         Status: Fix Committed

** Affects: linux (Ubuntu Trusty)
     Importance: Undecided
     Assignee: Tim Gardner (timg-tpi)
         Status: Fix Committed

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hyper-v: Unable to take backups of Generation 2 VMs
https://bugs.launchpad.net/bugs/1298192
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