* du reporting odd file sizes during copy.
@ 2010-10-06 12:52 Ken D'Ambrosio
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From: Ken D'Ambrosio @ 2010-10-06 12:52 UTC (permalink / raw)
To: linux-btrfs
Hi, all. I was copying two 6-GB DVD images yesterday, and while
monitoring the copy progress, noticed that du would show a trend that
*generally* headed toward the final files' sizes, but on occasion would
hop backward, thusly:
root@hal-9000:/shared/ISOs# while true; do du * ; sleep 10; echo;done
1151808 SolidWorks_2008_32-bit.iso
1928784 SolidWorks_2008_64-bit.iso
1072032 SolidWorks_2008_32-bit.iso
1763280 SolidWorks_2008_64-bit.iso
1044384 SolidWorks_2008_32-bit.iso
2097152 SolidWorks_2008_64-bit.iso
1481248 SolidWorks_2008_32-bit.iso
2183184 SolidWorks_2008_64-bit.iso
The images did copy, but I'm just curious as to what the mechanics were
behind du's seemingly non-linear reporting. (If it makes any difference,
one copy was coming in via an ssh pipe from a different machine; the other
was being copied from the local CD drive. Both were using "cat" to write
the files.)
Thanks,
-Ken
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2010-10-06 12:52 du reporting odd file sizes during copy Ken D'Ambrosio
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