I have a simple setup, xen is running domU''s against block devices shared from another server via gnbd. Every once in a while, full virt windows 2k3 domUs are rebooting and corrupting the MBR of the instance. Its easy enough to fix, however, and in addition I am planning to upgrade/patch xen to the latest levels per Redhat/Centos. Is anyone aware of a bug/race condition during a reboot issued in the windows OS that might cause the domU going down and the domU coming up to both try and access the gnbd imported block device, and cause it to corrupt? (yum list |grep xen|grep installed) kernel-xen.x86_64 2.6.18-53.el5 installed kernel-xen.x86_64 2.6.18-92.1.6.el5 installed kmod-gnbd-xen.x86_64 0.1.4-12.el5 installed xen.x86_64 3.0.3-64.el5_2.1 installed xen-libs.i686 3.0.3-64.el5_2.1 installed xen-libs.x86_64 3.0.3-64.el5_2.1 installed (uname -a) Linux pnode003.scs.readytechs.com 2.6.18-92.1.6.el5xen Jonathan Bayles _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users