Re: [Qemu-devel] [PATCH] add text about how to use qemu-nbd with qemu

[Wayne Xia <xiawenc@linux.vnet.ibm.com>]

于 2012-7-5 16:34, Paolo Bonzini 写道:
> Il 05/07/2012 10:13, Michael Tokarev ha scritto:
>>>>>> Hi Paolo, should I make a patch to make persistent the default for
>>>>>> qemu-nbd?
>>>>
>>>> Yes, why not.  However, as mentioned above client mode should still be
>>>> non-persistent.
>> I don't think this makes sense or is good: now we'll need
>> to have an option to enable non-persistent mode, and have
>> to fix scripts which expects non-persistent mode by default
>> (does autotest uses it?).
>
> Hmm, yeah, with daemon mode non-persistent is still better.  I guess it
> is just a bogus thing we have to live with, just like daemon mode itself.
>
   From the product perspective, keeping qemu-nbd option unchanged seems
better. I think changing the qemu block behavior needs extra efforts
and not so worthy. Actually I don't think this is a bug, the nbd-block
still works but just need some document to avoid making user debug it.
Maybe a document is the easiest way.

>> Instead, it is more productive and rigth (IMHO anyway) to
>> fix the qemu side to stop connecting two times for one
>> device.
>
> That too.
>
> Paolo
>


-- 
Best Regards

Wayne Xia
mail:xiawenc@linux.vnet.ibm.com
tel:86-010-82450803