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Hi, I install xen 4.1.2 on centos 6 with linux kernel 3.0.4 as dom0 kernel. When I launch virt-manager on the command line ,a window pop up which show the following error: Unable to open a connection to the Xen hypervisor/daemon. Verify that: - A Xen host kernel was booted - The Xen service has been started Details: Unable to open connection to hypervisor URI ''xen:///'': no

Hi, I encounter a problem that has puzzled me for a long time.On a Xen virtualization platform, some VMs ,whose virtual disks are image files ,are running in DomUs.Under this situation ,does the Dom0 cache the pages from the VMs?Does the filesystem in Dom0 see the VMs as general processes? HXK _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com

Hi,guys, During a HVM''s running which take a qcow format image file as its own virtual disk, the qcow image file will be always read.In the situation that its qcow format image is based on a raw format image, if nesethe backingfile ,just that raw format image file,would be read .my purpose is to cache the data that is read from the backingfile when the hvm is running . Now what I concern

Hi, In most cases we use image files as virtual disks under the full-virtualization situation.On the version 4.1.2 of xen,I do the following command: ############################################################ dd if=/dev/zero of=myraw.img bs=1M seek=8K count=1 #Before the command below I install the operating system in myraw.img qemu-img-xen create -b myraw.img -f qcow2 myqcow1.img 20000M

Hi,mail list members, As needed by my test, blktap/blktap2 modules have to work after new VMs start.Maybe the line about disk in the vm creation configure file is the right position where I should be supposed to specify the function of blktap/blktap2 modules.But specifically I don''t know how to configure the disk line.Who can help me? hxk

Hi, I want to know how the xen 4.1.2 source code read an qcow2/raw image that is used as a vdi.However I just know i should read some source code about the blktap and tapdisk.and don''t know where to begin. I need your help. hxk _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users