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 -- 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 -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines