zfs discuss - Jan 2009 - ZFS iSCSI (For VirtualBox target) and SMB

Hey all,

I''m setting up a ZFS based fileserver to use both as a shared network
drive and separately to have an iSCSI target to be used as the "Hard
disk" of a windows based VM runninf on another machine.

I''ve built the machine, installed the OS, created the RAIDZ pool and
now have a couple of questions (I''m pretty much new to Solaris by the
way but have been using Linux for some time). In my attempt to create the iSCSI
target to be used and the VM disk I created (through the web frontend) a new
dataset under the main pool of type "Volume" and gave it 30GB of space
and called it iTunesVM. I then tried to run:
zfs set shareiscsi=on tank/iTunesVM
but got the error:
cannot share ''tank/iTunesVM'': iscsitgtd failed request to
share
cannot share ''tank/iTunesVM at
zfs-auto-snap:weekly-2009-01-02-15:02'': iscsitgtd failed request to
share

I''ve checked and my iSCSI target service is on and running.

With regards a network share accessible to both Windows, Linux and Mac OS
machines on the network, what protocol would be best to use (NFS or SMB). I
would then like to set up a locally hosted headless windows VM to run a Windows
Media Player/iTunes share over the network for access to the music from my
xbox/PS3.

All help appreciated,
Kevpatts
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I''ve seen this error often, but mostly the volume is shared.

I think it happens as soon ay the volume has snapshots.

To check if the volume is exposed or not, you can run:

iscsitadm list target -v

If the volume shows up, it''s OK and you should ignore the message.

K
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This message posted from opensolaris.org

Kevin,

Kevin Pattison wrote:
> Hey all,
>
> I''m setting up a ZFS based fileserver to use both as a shared
network drive and separately to have an iSCSI target to be used as the
"Hard disk" of a windows based VM runninf on another machine.
>
> I''ve built the machine, installed the OS, created the RAIDZ pool
and now have a couple of questions (I''m pretty much new to Solaris by
the way but have been using Linux for some time). In my attempt to create the
iSCSI target to be used and the VM disk I created (through the web frontend) a
new dataset under the main pool of type "Volume" and gave it 30GB of
space and called it iTunesVM. I then tried to run:
> zfs set shareiscsi=on tank/iTunesVM
> but got the error:
> cannot share ''tank/iTunesVM'': iscsitgtd failed request to
share
> cannot share ''tank/iTunesVM at
zfs-auto-snap:weekly-2009-01-02-15:02'': iscsitgtd failed request to
share
>   
This needs to be investigated. From what I see all the snapshots on that 
volume inherit the shareiscsi property. And hence
when we set it we try to share the snapshots as well and that is failing 
here.

Thanks and regards,
Sanjeev.
> I''ve checked and my iSCSI target service is on and running.
>
> With regards a network share accessible to both Windows, Linux and Mac OS
machines on the network, what protocol would be best to use (NFS or SMB). I
would then like to set up a locally hosted headless windows VM to run a Windows
Media Player/iTunes share over the network for access to the music from my
xbox/PS3.
>
> All help appreciated,
> Kevpatts
>

Thanks Sanjeevb,

By the way, this only seems to fail when I set up a volume instead of a file
system. Should I be setting up a volume in this case, or will a file system
suffice?

If I turn off snapshots for this then it should work. I''ll try this.

Regards,
Kevin
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