Hi. 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.
By default qemu should use sync I/O on host OS, which is safe (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 -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20141021132007.GA26302@x101h
