ntfsclone does not work on OEM partitions
A partition and disk imaging/cloning program
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steven_shiau
when ntfsclone comes across an OEM 'recovery' partition that has a partition ID of 27 it skips over it, thinking it's not NTFS. the partition is indeed NTFS-based, the ID is simply set differently so it is hidden when inside Windows.
sfdisk defines this partition type as "unknown."
"partition ID of 27" -> Do you know the device name? Is it's /dev/sda27? Or?
And why you think it's something to do with ntfsclone? By default Clonezilla uses partclone to save NTFS partition.
Steven.