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Re: qemu shared folder
From: |
Chris Marusich |
Subject: |
Re: qemu shared folder |
Date: |
Tue, 09 Jan 2018 23:15:07 -0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
Catonano <address@hidden> writes:
> the script produced by system vm contains this bit:
>
> -m 256
>
> does this mean that the guest has 256 Mb ?
Yes. The qemu manual describes this in more detail (section 2.3,
"Invocation"):
https://qemu.weilnetz.de/doc/qemu-doc.html
You might want to bookmark it or keep a local copy; it's a useful
reference manual.
> Can I pass a switch to system vm so that it concedes more memory to my
> guest ?
> Similar to " --image-size=10GB " but for ram space rather than disk space
Yes, you can. The Guix manual explains ((guix) Invoking guix system):
Arguments given to the script are passed to QEMU as in the example
below, which enables networking and requests 1 GiB of RAM for the
emulated machine:
$ /gnu/store/...-run-vm.sh -m 1024 -net user
> Ok, second observation:
>
> 2)
>
> if instead of system vm I use system vm-image,
> --share=$HOME/transit=/transit doesn't work
> So it seems
> Why ?
> Couldn't it work anyway ?
I don't think that will work. I'm pretty sure that the --share option
is specific to "guix system". What you probably want to do is look at
the options used in the /gnu/store/...-run-vm.sh script, and mimic what
it does. If you see QEMU options in there that you don't understand,
try looking them up in the QEMU manual.
By the way, there is a "--share" option mentioned in the QEMU manual,
but it seems to be totally unrelated (section 2.7.10, "NBD access").
> Pheew ;-)
Hang in there! QEMU is extremely versatile, but it's got a little bit
of a learning curve. Beyond the reference manual, you can find even
more documentation here:
https://wiki.qemu.org/Manual
Hope that helped. Good luck!
--
Chris
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