Hello Stefan, I can see some error messages May 30 11:36:49 sd0005srv01 libvirtd: 11:36:49.044: error : internal error Timed out while reading console log output May 30 11:36:49 sd0005srv01 libvirtd: 11:36:49.044: error : internal error unable to start guest: I am using ubuntu 9.04 Thanks, -Arun -----Original Message----- From: Stefan Hajnoczi [mailto:stefanha@xxxxxxxxx] Sent: Friday, May 20, 2011 12:35 AM To: Arun Sasi V (WI01 - Manage IT) Cc: stefanha@xxxxxxxxxxxxxxxxxx; qemu-devel@xxxxxxxxxx; libvirt-users@xxxxxxxxxx Subject: Re: [Qemu-devel] Qcow2 On Thu, May 19, 2011 at 3:24 PM, <arun.sasi1@xxxxxxxxx> wrote: > I couldn't find any error when I do consistency check on the image file... Good, so there are no problems with your data. > What can be the reason for not starting the VM. Did you find any more error messages besides the sound related errors in /var/log/libvirt/qemu/<domain>.log? > Here I am suspecting when the base server go for reboot lesser image will start and it cached and larger image will take more time to create the cache... > > Was this correct... if yes could you please help me how to increase the caching... No, there is no "cache creation". There is no startup delay for qcow2 image files. Stefan
