Having recently unpacked and come across a newly unused box, I decided to retire my crufty old Debian and install a fresh new Debian. After mucking around with rsync to transfer my Maildir, I gave up on that and went with the old standby tar.
I used:
$ tar vSczpf /tmp/maildir.tar Maildir/
to make the .tar, transfered it over to the new box and used:
$ tar Sxvzpf maildir.tar
to untar it.

So far, so good, but in checking the transfer, I noticed something odd.
When I check the size of the directory, I get different sizes on the different machines:
sprocket:~/Maildir$ du -s
1349688 .

doc:~/Maildir$ du -s
1349528 .

So I figured something didn't copy, but:
sprocket:~/Maildir$ find | wc -l
  83123

doc:~/Maildir$ find | wc -l
  83123

Doesn't that suggest everything copied correctly?
I should note that sprocket is ext2, and doc is ext3. Would that account for the difference? I figured du was reporting actual bits taken up, but maybe it's counting blocks or somesuch?

-ajb


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