[OpenIndiana-discuss] Backup User for zfs send and receive

Timothy Coalson tsc5yc at mst.edu
Sun Sep 2 19:07:38 UTC 2012

Well, when I set something similar up, I added the "ZFS File System
Management" profile to the user with the users-admin GUI, and used "pfexec
zfs receive ..." for the receive command.  As I understand it, it means
that it is allowed to run "zfs" with root privileges, so it wouldn't be
limited to one pool, or to specific subcommands, so perhaps it is more than
you want.  I haven't used it with comstar, but I would expect root
privileges to be enough.


On Sun, Sep 2, 2012 at 6:03 AM, Florian <florian at acw.at> wrote:

> Hello,
> I want to create a user to do a backup of my OI Server.
> I created it with:
> useradd -m -d /home/backup -s /bin/bash backup
> then:
> zfs allow -s @adminrole create,destroy,snapshot,**
> rollback,clone,promote,rename,**mount,send,receive,quota,**reservation
> tank
> zfs allow backup @adminrole tank
> With this user, I can send and receive snapshots, but I usually use
> COMSTAR devices and with them, I get the following problem:
> receiving full stream of tank/raid1-0 at 20120831-2017 into
> tank/backup_raid/raid1-0@**20120831-2017 *cannot receive stmf_sbd_lu
> property on tank/backup_raidreceived 5.01GB stream in 209 seconds
> (24.5MB/sec) : permission denied*
> I used this command:
> zfs send -R tank/raid1-0 at 20120831-2017 | ssh backup at"/usr/sbin/zfs receive -Fduv tank/backup_raid"
> My big question is now:
> How can I create an user who is able to do a whole zfs send and receive
> backup, with all properties.
> This command won't work:
> *chmod A+user:marks:add_subdirectory:**fd:allow /tank*
> This command is listed in the oracle howto to delegate zfs permissions to
> other users.
> Best regards,
> Florian
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