Harry Putnam <rea...@newsguy.com> writes: > Richard Elling <richard.ell...@gmail.com> writes: > >> Harry Putnam wrote: >>> Robert Milkowski <mi...@task.gda.pl> writes: >>> >>> >>>> Then is block doesn't compress better than 12.5% it won't be >>>> compressed at all. Then in zfs you need extra space for checksums, etc. >>>> >>>> How did the OP came up with how much data is being used? >>>> >>> >>> OP, just used `du -sh' at both ends of the transfer. On origin end it >>> is gentoo Linux running reiserfs filesystem >>> >> >> The size allocated is dependent on file system features. For example, a >> zero-filled file named "zeros" copied to 3 different file systems shows: >> >> $ du -sh /A/zeros >> 0K /A/zeros >> $ du -sh /B/zeros >> 16K /B/zeros >> $ du -sh /C/zeros >> 32K /C/zeros > > Yes, I made note of that in my OP on this thread. But is it enough to > end up with 8gb of non-compressed files measuring 8gb on > reiserfs(linux) and the same data showing nearly 9gb when copied to a > zfs filesystem with compression on.
whoops.. a hefty exaggeration it only shows about 16mb difference. But still since zfs side is compressed, that seems like quite a lot.. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
