Re: [Qemu-devel] QEMU/pc and scsi disks

[Anthony Liguori <anthony@codemonkey.ws>]

Joe Batt wrote:
> I disagree.  /bin/sh makes a very flexible config file format that I 
> use.  I use it on win32, Linux and Mac OS X.

The problem with only taking command line arguments is that the number 
and size of command line arguments are severely limited on certain 
platforms.  This is why almost every sufficiently aged/portable program 
supports either a config file or a method of taking command line options 
via a file.  The later is really just a particular format of a config file.

If you care about scripting QEMU, then just do something like:

qemu -config - <<EOF
hda=${myhda}
hdb=${myhdb}
EOF

Regards,

Anthony Liguori

> I would prefer that you write another cross platform shell, than 
> another config file.  At least that way I could use the same config 
> tool for more than one application.
>
> Everytime this comes up, do I have to disagree again, so that my voice 
> is not lost?
>
> Any yes, adding features that I do not use increases the complexity 
> and decreases the stability of the features I do use, so it would 
> effect me.  I have the same feeling about embedding VNC 
> authentication, the samba server, etc.
>
> Joe
>
> On Mar 2, 2007, at 11:24 AM, Anthony Liguori wrote:
>
>> Paul Brook wrote:
>>>>>> There's also no reason to limit to 7 disks, and we should support 
>>>>>> scsi
>>>>>> cdroms.
>>>>>>
>>>>> The reason for 7 is the number of available id on the scsi bus.
>>>>>
>>>> For wide scsi it is 15.
>>>>
>>>
>>> I wouldn't bet on wide scsi working.
>>> For PCI based systems you can add more host adapters to get more 
>>> devices. I haven't actually tested this, but it should work.
>>>
>>
>> I think most people agree that we need a config file.  I haven't seen 
>> any comments on my config file patch though.
>>
>> So, any comments on that patch?  Any requirements on a format?
>>
>> Regards,
>>
>> Anthony Liguori
>>
>>> Paul
>>>
>>>
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>>>
>>
>>
>>
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