Date: Sat, 09 Aug 2014 14:41:42 +0200 From: Willem Jan Withagen <wjw@digiware.nl> To: fs@freebsd.org Subject: Strange effect of zfs rename Message-ID: <53E61706.4010604@digiware.nl>
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Hoi, In the process of creating backups I have this sequence of: /sbin/zfs destroy zfsraid/backups@Saturday-2 /sbin/zfs rename -f zfsraid/backups@Saturday zfsraid/backups@Saturday-2 /sbin/zfs snapshot zfsraid/backups@Saturday But then I end up with: # cd /backups/.zfs/snapshot # ll ls: Saturday-2: Device busy total 116 0 dr-xr-xr-x 11 root wheel 11 Aug 9 14:15 ./ 0 dr-xr-xr-x 4 root wheel 4 Jul 30 22:07 ../ 17 drwxr-xr-x 13 root wheel 16 Jul 31 09:54 20140801/ 17 drwxr-xr-x 18 root wheel 21 Aug 5 01:03 Friday/ 17 drwxr-xr-x 16 root wheel 19 Aug 3 01:03 Monday/ 17 drwxr-xr-x 15 root wheel 18 Aug 2 01:03 Sunday/ 17 drwxr-xr-x 18 root wheel 21 Aug 5 01:03 Thursday/ 17 drwxr-xr-x 17 root wheel 20 Aug 4 01:03 Tuesday/ 17 drwxr-xr-x 18 root wheel 21 Aug 5 01:03 Wednesday/ Exit 1 And the device does not becomen not-busy even after a "long" wait. The way to remedy this is: /sbin/zfs unmount -f zfsraid/backups /sbin/zfs mount zfsraid/backups After that the snapshot-dir is as it should. I'm running: FreeBSD zfs.digiware.nl 9.3-STABLE FreeBSD 9.3-STABLE #272 r269145M: Sun Jul 27 06:50:06 CEST 2014 root@zfs.digiware.nl:/usr/obj/usr/srcs/src9/src/sys/ZFS amd64 Can other reproduce this? Or is my system suffering from bitrot? Regards, --WjW
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