Re: [Xen-devel] xen 4.1.1 + 3.0.0-rc5 dom0 + blktap2

[Daniel Stodden <daniel.stodden@xxxxxxxxxx>]

On Tue, 2011-06-28 at 22:08 -0400, Sébastien Riccio wrote:
> Hi,
> 
> I'm currently trying xen 4.1.1 with the 3.0.0-rc5 (heard that it now 
> contains the xen code to run as front or back xen domain).
> 
> Everything seems to run fine, except that I am trying since a  few hours 
> to mount a .vhd file in the dom0.
> 
> What I tried so far:
> 
> to create a blank vhd file (this is working):
> host# vhd-util create -n /storage/test.vhd -s 20G
> 
> Then i try to mount the file in dom0 (as stated in a blktap2 README file)
> host# tapdisk2 -n vhc:/storage/test.vhd

tap-ctl create -n vhd:/storage/test.vhd # :)

As a rule of thumb, there's no excuse to call tapdisk2 on the command
line. Should actually rather have gone into libexec.

Daniel

> it fails, returning:
> tapdisk2: invalid option -- 'n'
> usage: tapdisk2 <-u uuid> <-c control socket>
> 
> Then i've tried:
> host# tap-ctl  list
> 
> It returns:
> blktap kernel module not installed
> 
> Then tried too:
> host# xl block-attach 0 tap:vhd:/storage/test.vhd xvda w 0
> 
> It does not complain but nothing happens.
> 
> Am I getting something wrong about how to do it ? Does the 3.0.0-rc5 
> kernel is missing something ?
> (look like there is no blktap module in the kernel tree, but blkback 
> that I enabled, don't know if it's the same)
> 
> I have no more ideas about what to try next. Any clue ?
> 
> Thanks a lot for your help!
> 
> Kind regards,
> Sébastien
> 
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