On 7/07/15 9:07 AM, Mark Fasheh wrote:
Yes I forgot about that but in your case almost everything will be reported
shared. Btw, I have to leave my office now but will get to the rest of your e-mail
later.
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Mark Fasheh
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To clarify, if I did the following:
# btrfs subvolume create a
# dd bs=1M count=10 if=/dev/urandom of=a/1
# dd if=a/1 of=a/2
# btrfs subvolume snapshot a b
then I have four files containing the same data. a/1, b/1 share extents
and a/2, b/2 share extents.
If I then deduplicate a/1 and a/2 will all four files be sharing
extents, or only three? (Assuming I have the patches for 4.2)
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