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

dubois dubois.michel at gmail.com
Mon May 23 09:43:59 EDT 2011


Hoping Darik read my comment ...... ^_^

I'm using 64bits live CD rom, I followed the documentation step by
step, and my system froze after this command :
zpool create rpool /dev/sda2
Should I try on a installed system adding a new disk.it wasn't my
target :-(


On 23 mai, 15:03, "Fajar A. Nugraha" <l... at fajar.net> wrote:
> On Mon, May 23, 2011 at 6:38 PM,dubois<dubois.mic... at gmail.com> wrote:
> > Fajar,
> > You should add this line in your documentation This make easier the
> > module compilation :
> > apt-get install build-essential gawk alien fakeroot linux-headers-$
> > (uname -r) zlib1g-dev uuid-dev libblkid-dev libselinux1-dev
> That's not mine :)
> Send suggestions directly to Darik.
> > Indeep, following your documentation in the step 3 when I created the
> > zpool the system looks  frozen.... Is it normal or I've to wait a big
> > time???
> Which one is it? zpool create?
> IF:
> - the partition is not mounted (in Darik's example it's /dev/sda2)
> - you use 64bit
> then zpool create should finish in a few seconds.
> I've seen vmalloc problems when running 32bit Linux, which makes zfs
> commands seem to hung forever and syslog flooded with vmalloc
> messages. There's a workaround for that (add something like
> vmalloc=512M to kernel command line during boot), but then again
> running zfsonlinux on 32bit is not recommended, so you should 64bit
> instead.
> > I'm using a live CD yet...
> Are you trying to use zfs as root, or as normal (e.g /tank) pool? If
> it's not root, then for "testing" you should'nt need to use live CD.
> --
> Fajar

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