I've known that Virtual machines in a pool are stateless,meaning that data is not persistent across reboots. Virtual machines in a pool are started when taken by a user, and shut down when the user is finished. 2014-05-13 16:10 GMT+08:00 Zhong Qiang <xiaoqiang3243@gmail.com>:

oVirt:3.4.1 Guest_OS: win7_x64 VMpool_Name:normal

[oVirt shell (connected)]# list vms --query "name=normal-8" --show-all

id : 92d11bbd-61dd-49a2-a18a-aeed44f06bb6 name : normal-8 cluster-id : ecd1f4cd-a3f4-46ea-a2ad-dc604218d47a cpu-architecture : X86_64 cpu-topology-cores : 1 cpu-topology-sockets : 2 cpu_shares : 0 creation_time : 2014-05-09 14:25:04+08:00 delete_protected : False display-address : ovirt.vdi.com display-allow_override : False display-monitors : 1 display-port : 5900 display-secure_port : 5901 display-single_qxl_pci : False display-smartcard_enabled : False display-type : spice high_availability-enabled : False high_availability-priority : 0 host-id : 867b2e10-45fe-4305-98af-b7aa6fddb2a6 memory : 1073741824 memory_policy-guaranteed : 536870912 migration_downtime : -1 origin : ovirt os-boot-dev : hd os-type : windows_7x64 placement_policy-affinity : migratable placement_policy-host-id : 867b2e10-45fe-4305-98af-b7aa6fddb2a6 sso-methods-method-id : GUEST_AGENT start_time : 2014-05-13 15:40:20.855000+08:00 stateless : False status-state : up stop_time : 2014-05-13 15:40:02.807000+08:00 template-id : 3f72cea1-9b2f-4025-862a-8acd3010fcb1 type : desktop usb-enabled : False vmpool-id : f12de2e0-1b68-4f77-a428-a9a83a5ac458 *I create a file called vmuser1 and put it in the desktop on vm(normal-8:win7),then shut down and power on*. *This file disappeared*

Thanks, qiang