When I try to rename a mounted dataset with open files, I get the
following error :
[carenath] /home/tzim# zfs rename unsafe/tmp unsafe/temp
cannot unmount '/tmp': Device busy
The mountpoint property is set locally :
[carenath] /home/tzim# zfs get mountpoint unsafe/tmp
NAME PROPERTY VALUE SOURCE
unsafe/tmp mountpoint /tmp local
zfs(1M) says :
Renamed file systems can inherit new mount points, in which case
they are unmounted and remounted at the new mount point.
But here, the mountpoint should not change. So the file system does not
need to be remounted ...
Either I don't understand something, or there's an "error" in the man,
or a bug in zfs rename.
It could be great if zfs allowed "live" renaming of mounted filesystem,
as It can avoid headaches...
Thanks
Arnaud Houdelette
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