Re: [Xen-API] Storage_interface.Missing_configuration_parameter("path")

[David Scott <dave.scott@xxxxxxxxxxxxx>]

Hi,

The traditional XenServer storage manager plugins (ext, lvhd, etc) 
haven't yet been packaged and included in the xenserver-core set of 
RPMs. Partly this is because some of them require slightly patched 
versions of standard system tools like LVM. I believe work is underway 
to remove these non-standard dependencies and, when this is done, we can 
create packages.
To cover the gap between now and then, I created a very simple storage 
plugin called 'ffs' ('flat file storage'). This is designed to be 
superficially similar to 'ext' but: 'ffs' assumes the filesystem has 
already been created and mounted, while 'ext' takes over whole disks, 
formats and mounts them for you.
On 30/08/13 10:01, Guillaume Thouvenin wrote:
[ snip ]
> So I tried to create a new ext SR (I need ext because I want it to be
> usable with openstack) on a fresh ext3 filesystem on my second disk
> (/dev/sdb1) and here is what I've got:
>
> [root@r421-e2-5 init.d]# xe sr-create content-type=user
> host-uuid=c3946fc5-5955-49ca-b738-1a1f835dae92 type=ext
> device-config:device=/dev/sdb1 shared=false name-label="ext3 SR on sdb1"
> The server failed to handle your request, due to an internal error. The
> given message may give details useful for debugging the problem.
> message: Storage_interface.Missing_configuration_parameter("path")
I think if you mount your filesystem yourself ideally via /etc/fstab but 
perhaps via:
 mkdir /mnt/mysr
 mount /dev/sdb1 /mnt/mysr

and then

 xe sr-create content-type=user host-uuid=... type=ffs 
device-config:path=/mnt/mysr"
then it ought to work. If not have a look in syslog: that's where the 
debug messages have probably gone.
Good luck!

Dave


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