9:31 p.m.
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<html><head><meta http-equiv=3D"content-type"
content=3D"text/html; charse=
t=3DGB2312"><style>body { line-height: 1.5; }body { font-size: 10.5pt; fon=
t-family: =CE=A2=C8=ED=D1=C5=BA=DA; color: rgb(0, 0, 0); line-height: 1.5;=
}</style></head><body>=0A<div>Hi,
all</div><div><span style=3D"font-size:=
10.5pt; line-height: 1.5; background-color: window;">
<=
/span><span style=3D"font-size: 10.5pt; line-height: 1.5; background-color=
: window;"> </span><span
style=3D"font-size: 10.5pt; lin=
e-height: 1.5; background-color: window;">I want to modify three arguments=
ram, vram and vgamem in the qemu command where virtual machines are creat=
ed. I found that the </span><span style=3D"font-size: 10.5pt;
line-he=
ight: 1.5; background-color: window;">arguments</span><span
style=3D"font-=
size: 10.5pt; line-height: 1.5; background-color: window;"> had defau=
lt values in libvirt and I wonder how to modify them. Could they be modifi=
ed in a certain xml file or in a </span><span style=3D"font-size:
10.=
5pt; line-height: 1.5; background-color: window;">before_vm_start VDS=
M hook?(</span><span style=3D"font-size: 10.5pt; line-height: 1.5;
ba=
ckground-color: window;"><a
href=3D"http://www.ovirt.org/documentation/dra=
ft/video-ram/"
class=3D"">http://www.ovirt.org/documentation/draft/video-r=
am/</a></span><span style=3D"background-color: window; font-size:
10.5pt; =
line-height: 1.5;">) I dont't know where the xml file is or how to write t=
he hook.</span></div><div> <span
style=3D"font-size: 10.=
5pt; line-height: 1.5; background-color: window;"> Anyone
can=
help? Thanks!</span></div>=0A<div><br></div><hr
style=3D"width: 210px; he=
ight: 1px;" color=3D"#b5c4df" size=3D"1"
align=3D"left">=0A<div><br></div>=
=0A</body></html>
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12:45 a.m.
On 06/14/2016 04:31 AM, qinglong.dong(a)horebdata.cn wrote:
Hi, all
I want to modify three arguments ram, vram and vgamem in the
qemu command where virtual machines are created. I found that
the arguments had default values in libvirt and I wonder how to modify
them. Could they be modified in a certain xml file or in
a before_vm_start VDSM hook?(http://www.ovirt.org/documentation/draft/video-ram/)
Yes, hook is the way to go.
I dont't know where the xml file is or
The xml is created
every time you start a vm and deleted every time you
shutdown a vm. A hook can change the resulting xml before start the vm.
how to write the hook.
Here some examples: https://github.com/oVirt/vdsm/tree/master/vdsm_hooks
Anyone can help? Thanks!
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Amador Pahim -
qinglong.dong＠horebdata.cn