zpool create cannot open '/dev/sda': Device or resource busy

dubois dubois.michel at gmail.com
Mon May 23 05:09:57 EDT 2011

Thanks for your answer and documentation,

I'm a user of SOLARIS10 as server so I know ZFS doesn't like
partitioned disk.... Is it different on Ubuntu?

Starting reading you documentation, my system should be implemented
with an EXT4 FS as root partition system and ZFS on the other
partition ...... Right?


On 20 mai, 16:18, "Fajar A. Nugraha" <l... at fajar.net> wrote:
> On Fri, May 20, 2011 at 8:17 PM,dubois<dubois.mic... at gmail.com> wrote:
> > Hi,
> > First .... Congratulation for porting ZFS on ubuntu and Debian
> > distribution.....
> > I think I installed well the module in my kernel but now I can 't
> > create my zpool.
> > VirtualBox:~$ sudo zpool create rpool /dev/sda
> > cannot open '/dev/sda': Device or resource busy
> Be glad that it stopped you. Seriously.
> > I suppose I've to do it in live CD, but I didn't found any
> > documentation how to install ubutnu with ZFS as native FS. So, I've
> > several question :
> > Do I've to compile my zfs module kernel on live CD before install my
> > distribution on my hard disk? In this case how can I install my
> > distribution as the wizard ask me to  format in EXT4 (snake loop)
> > How could I do for get all my system mount on ZFS on each reboot ?
> > Thanks for your help ....
> Start withhttps://github.com/dajhorn/pkg-zfs/wiki/HOWTO-install-Ubuntu-to-a-Nat...
> Although to be honest, judging from your question I highly suggest you
> do NOT use zfs as root yet, as I don't think you fully understand the
> implications.
> Start with using zfs for non root first (e.g for /tank, /data or
> whatever) and play with it to get familiar with zfs functionality and
> usability.
> --
> Fajar

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