On 01/21/2010 02:23 PM, Mogens Kjaer wrote:
> tar c --one-file-system -f - .|dd of=/dev/null bs=1M
Hm, I forgot the -S option:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_mk-lv_root
222G 48G 163G 23% /
# tar c --one-file-system -S -f - .|dd of=/dev/null bs=1M
...
50122147840 bytes (50 GB) copied, 1737.65 s, 28.8 MB/s
Without the -S I get:
134616043520 bytes (135 GB) copied, 1394.3 s, 96.5 MB/s
as I have some large sparse files.
48G and 50G are pretty close...
Mogens
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Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Mobile: +45 22 12 53 25
Email: mk@xxxxxx Homepage: http://www.crc.dk
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