Hi.
By default qemu should use sync I/O on host OS, which is safe
On Tue, Oct 21, 2014 at 02:58:45PM +0500, Muhammad Yousuf Khan wrote:
> Hi,
>
> I have a debian wheezy machine with 12GB RAM and 500GB 7200 RPM harddrive WD black 32MB cache.
>
> copying host node (local or remote) working fine. however when i create a KVM guest on the top and try to install XP it take almost half day to install the XP/
> other operating systems. my processor and disk IO are showed up very stable in virt-manager graph. also the console very smooth no jerking at all.
>
> Actually i am using Proxmox virtualization platform and i am using it for many years. i haven't face issue like this in Proxmox. they are basically based on
> Debian OS now trying to learn Libvirt too for polishing my skills or for bed time as it seems in near future Proxmox will be a paid solution.
>
> Can anyone please share what can be the issue and how can i solve it.
(presumably), but annoyingly slow.
Try [1] before installing guest OS.
[1]
http://www.ducea.com/2011/07/06/howto-improve-io-performance-for-kvm-guests/
Reco
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