On 04/21/10 08:45 AM, Edward Ned Harvey wrote:
From: Mark Shellenbaum [mailto:mark.shellenb...@oracle.com]
You can create/destroy/rename snapshots via mkdir, rmdir, mv inside
the
.zfs/snapshot directory, however, it will only work if you're running
the
command locally. It will not work from a NFS client.
It will work over NFS or SMB, but you will need to allow it via the
necessary delegated administration permissions.
Go on?
I tried it over NFS and it didn't work. So ... what are the "necessary
permissions?"
Depends on what you want to do
If all you want is to allow a certain NFS/SMB user the ability to create
snapshots then all you would need is something like this
# zfs allow <user> snapshot <dataset>
But if you want to let them delete snapshot then you would also need to
give out destroy,mount.
# zfs allow <user> destroy,mount <dataset>
renaming will also require "create" permission.
I did it from a NFS client as root, where root maps to root.
If you aren't using delegation then the code will require PRIV_SYS_MOUNT
and an NFS won't have that privilege.
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