i have a big testing pool attached to my system running solaris 10 8/07 (u4) sparc. there is only one zfs on the pool (testdata). i did a big copy job to the device to fill it up completely. somehow there is a "big" difference of 2% on the usage of the pool. can one explain this ... ? root / # zpool list NAME SIZE USED AVAIL CAP HEALTH ALTROOT disk 1.58T 1.55T 25.2G 98% ONLINE - [..snip..] root / # zfs list NAME USED AVAIL REFER MOUNTPOINT disk 1.55T 0 1.50K none disk/testdata 1.55T 0 1.55T /testdata [..snip..] root / # This message posted from opensolaris.org