Hi all I'm reposting this since I don't know if the first one made it to the list.
I created a sparse 1TB file box recently using dd from /dev/zero, in order to get a rough idea of write performance, and when I deleted it the space was not freed. This is on a raidz1, 4x1TB SATA drives. Snapshots are not enabled: bunker:~# zfs list -t all NAME USED AVAIL REFER MOUNTPOINT tank0 1.99T 707G 1.99T /mnt/tank0 bunker:~# zfs list -t snapshot no datasets available And there should be almost exactly 1TB used, not 1.99TB: bunker:/mnt/tank0# zfs list NAME USED AVAIL REFER MOUNTPOINT tank0 1.99T 707G 1.99T /mnt/tank0 (I put 1TB of "real" data on it, then created this 1TB file, so I know this for sure) I removed the file using a simple rm /mnt/tank0/temp/mytempfile.bin. It's definitely gone. But the space hasn't been freed. I have been pointed in the direction of this bug http://bugs.opensolaris.org/view_bug.do?bug_id=6792701 which appears to be in ZFS version 14, and my FreeNAS distro is at version 13. Could this be the issue? If so, what is the correct course of action? Ditch FreeNAS and move to a distro with a more recent ZFS version? If I do this, is it safe to upgrade my ZFS version knowing that there is something up with the filesystem? I would really appreciate some help with this. The FreeNAS forums and documentation haven't really been much help, and I created this file on a live filesystem with data on it, so I'm 1TB down and not sure what I can do. Thanks in advance. Tom _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
