As a result of the questions and comments received, I believe that the
following changes should be made to the original temporary mount proposal:
1) The temporary mount point should be inherited. That is, if there are
datasets tank/a and tank/a/b, the following steps would mount them both
at a temporary mount point:
# zfs mount -o mountpoint=/altmnt tank/a
# zfs mount tank/a/b
The following mounted file systems will result:
/altmnt
/altmnt/b
2) It will be possible to temporarily mount a dataset with
"mountpoint=none". However, it will not be possible to temporarily
mount a dataset with "canmount=off".
I will add clarification to the case document regarding all the other
questions that came up (making it clear, for example, that datasets with
the 'zoned' property can't be temporarily mounted in the global zone).
Lori
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