Sorry. I will fix that as soon as I get good net access. On December 14, 2014 11:25:39 PM GMT+11:00, trentbuck@gmail.com wrote:
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Content preview: James Harper writes: > Just a curiousity... I'm nc-ing a disk image from a laptop, like: > gzip </dev/sda | nc target 4242 > and on the target computer: > nc -l -p 4242 | gunzip | dd bs=4k conv=sparse of=laptop-xp.img
and on the target computer I am also impatiently doing: > du -sk --apparent-size laptop-xp.img && du -sk laptop-xp.img > and the output is a bit strange. [boring numbers...] > What's with that? The filesystem is btrfs but I don't know that that's anything to do with it. [...]
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From: trentbuck@gmail.com To: luv-main@luv.asn.au Sent: Sun Dec 14 23:25:39 GMT+11:00 2014 Subject: Re: du and btrfs
James Harper <james@ejbdigital.com.au> writes:
Just a curiousity... I'm nc-ing a disk image from a laptop, like: gzip </dev/sda | nc target 4242 and on the target computer: nc -l -p 4242 | gunzip | dd bs=4k conv=sparse of=laptop-xp.img and on the target computer I am also impatiently doing: du -sk --apparent-size laptop-xp.img && du -sk laptop-xp.img and the output is a bit strange. [boring numbers...] What's with that? The filesystem is btrfs but I don't know that that's anything to do with it.
Try HUPping the dd instead (or use gddrescue) to find out how much IT thinks is written. btrfs is probably just being weird in what it tells df/du -- I see that a lot.
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