[kernel-xen] Hot plugs error with latest scripts

[Glenn Enright]

On 09/20/2013 04:46 AM, Steven Spencer wrote:
> On 09/19/2013 09:24 AM, Steven Spencer wrote:
>> All,
>>
>> I've run into this while creating a vm using the latest scripts on a
>> brand new system. I can find this problem going back many versions, but
>> not a really excellent answer. You people all seem to have the gold, so
>> maybe you can help.
>>
>> Error: Device 0 (vif) could not be connected. Hotplug scripts not
>> working.
>>
>> System:
>>
>> OS = CentOS 6.4 X86_64
>> Xen = kernel-xen-3.11.1-1.el6xen.x86_64
>>
>> First time using a standalone script, so this may be the issue:
>>
>> name = "vm_test"
>> memory = 2048
>> vcpus = 2
>> disk = [ 'phy:/virtual/vm_test.img,xvda,w' ]
>> on_poweroff = 'destroy'
>> on_reboot   = 'restart'
>> on_crash    = 'restart'
>> vif = [ "mac=00:16:36:35:35:97,bridge=br0,script=vif-bridge" ]
>> kernel="/usr/lib/xen/boot/pv-grub-x86_64.gz"
>> extra="(hd0)/boot/grub/grub.conf"
>>
>> I'll continue to look for the answer, but if someone has run into this
>> in the recent past and has an answer, I'd appreciate it.
>>
>> Thanks,
>
> It had been a 48 hours or so since the install of the OS, so I rebooted
> and tried again. Now I'm getting this when trying to create using the
> config:
>
> Error: Device 51712 (vbd) could not be connected.
>
> It says that the block device does not exist, but I've verified that it
> does exist.
>
> Thanks,

You may want to check the params file to make sure that has everything 
correct.

The vif line should probably not have the script= bit. For the disk, phy 
is for physical devices only, such as lvm, you probably need to use file 
or similar.