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Re: [kvm-devel] [Qemu-devel] Re: [PATCH] Add support for a configuration


From: Avi Kivity
Subject: Re: [kvm-devel] [Qemu-devel] Re: [PATCH] Add support for a configuration file
Date: Thu, 15 May 2008 15:04:26 +0300
User-agent: Thunderbird 2.0.0.14 (X11/20080501)

Daniel P. Berrange wrote:
On Thu, May 15, 2008 at 11:04:47AM +0300, Avi Kivity wrote:
Daniel P. Berrange wrote:
With this kind of syntax, now tools generating config files need to make
up unique names for each drive. So you'll probably end up with them just
naming things based on the class name + a number appended.
I would hope that tools don't have to resort to reading and writing these config files. Usually a management system would prefer storing parameters in its own database, and writing a temporary config file just to pass the data seems awkward. I would much prefer to see the command line and monitor retain full control over every configurable parameter.

I expect that libvirt will create config files - it is only a matter of
time before we hit the command line ARGV length limits - particularly
with the -net and -drive syntax. People already requesting that we support
guests with > 16 disks, and > 8 network cards so command lines get very
long.

What are those limits, btw? ISTR 10240 words, but how many chars?

I wouldn't write out the config file to disk though - I'd just send it
on the fly on stdin -, eg   'qemu -config -'  to tell it to read the config
on its stdin.

That's fine from my point of view.

--
error compiling committee.c: too many arguments to function





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