OpenNebula

& whoami
oneadmin
$ onevm stop 800

<one-800's log: /var/log/one/800.log>
Fri Dec 13 13:07:13 2013 [LCM][I]: New VM state is SAVE_STOP
Fri Dec 13 13:07:13 2013 [VMM][I]: Command execution fail: /var/tmp/one/vmm/kvm/save one-800 /var/lib/one//datastores/0/800/checkpoint CA1 800 CA1
Fri Dec 13 13:07:13 2013 [VMM][E]: save: Command "virsh --connect qemu:///system save one-800 /var/lib/one//datastores/0/800/checkpoint" failed: error: Failed to save domain one-800 to /var/lib/one//datastores/0/800/checkpoint
Fri Dec 13 13:07:13 2013 [VMM][I]: error: operation failed: domain save job: unexpectedly failed
Fri Dec 13 13:07:13 2013 [VMM][E]: Could not save one-800 to /var/lib/one//datastores/0/800/checkpoint
Fri Dec 13 13:07:13 2013 [VMM][I]: ExitCode: 1
Fri Dec 13 13:07:13 2013 [VMM][I]: Failed to execute virtualization driver operation: save.
Fri Dec 13 13:07:13 2013 [VMM][E]: Error saving VM state: Could not save one-800 to /var/lib/one//datastores/0/800/checkpoint
Fri Dec 13 13:07:14 2013 [LCM][I]: Fail to save VM state. Assuming that the VM is still RUNNING (will poll VM).
Fri Dec 13 13:07:15 2013 [VMM][I]: Warning: Permanently added 'ca1,172.21.18.11' (ECDSA) to the list of known hosts.
Fri Dec 13 13:07:15 2013 [VMM][I]: ExitCode: 0

• ONE 4.0
• Ubuntu 12.04.2 LTS 64bit
• Libvirt 0.10.2
• QEMU 1.0
• Storage
  • GlusterFS Stripe mode (2node)
  • system DS
    

      ID NAME                      CLUSTER         IMAGES TYPE DS       TM      
       0 system                    -                    0 sys  -        shared
       1 default                   -                    4 img  fs       qcow2
       2 files                     -                    0 fil  fs       ssh
    oneadmin@CA1:~$ onedatastore show 0
    DATASTORE 0 INFORMATION                                                         
    ID             : 0                   
    NAME           : system              
    USER           : oneadmin            
    GROUP          : oneadmin            
    CLUSTER        : -                   
    TYPE           : SYSTEM              
    DS_MAD         : -                   
    TM_MAD         : shared              
    BASE PATH      : /var/lib/one/datastores/0
    DISK_TYPE      : FILE                
    
    PERMISSIONS                                                                     
    OWNER          : um-                 
    GROUP          : u--                 
    OTHER          : ---                 
    
    DATASTORE TEMPLATE                                                              
    DS_MAD="-" 
    TM_MAD="shared" 
    TYPE="SYSTEM_DS" 
    

  • defult DS
    

    DATASTORE 1 INFORMATION                                                         
    ID             : 1                   
    NAME           : default             
    USER           : oneadmin            
    GROUP          : oneadmin            
    CLUSTER        : -                   
    TYPE           : IMAGE               
    DS_MAD         : fs                  
    TM_MAD         : qcow2               
    BASE PATH      : /var/lib/one/datastores/1
    DISK_TYPE      : FILE                
    
    PERMISSIONS                                                                     
    OWNER          : um-                 
    GROUP          : u--                 
    OTHER          : u--                 
    
    DATASTORE TEMPLATE                                                              
    DS_MAD="fs" 
    TM_MAD="qcow2" 
    TYPE="IMAGE_DS" 
    
    IMAGES         
    1              
    8              
    28             
    29
    

  • files DS
    

    DATASTORE 2 INFORMATION                                                         
    ID             : 2                   
    NAME           : files               
    USER           : oneadmin            
    GROUP          : oneadmin            
    CLUSTER        : -                   
    TYPE           : FILE                
    DS_MAD         : fs                  
    TM_MAD         : ssh                 
    BASE PATH      : /var/lib/one/datastores/2
    DISK_TYPE      : FILE                
    
    PERMISSIONS                                                                     
    OWNER          : um-                 
    GROUP          : u--                 
    OTHER          : u--                 
    
    DATASTORE TEMPLATE                                                              
    DS_MAD="fs" 
    TM_MAD="ssh" 
    TYPE="FILE_DS" 
    
    IMAGES         
    

Additionly... when SAVE_STOP is failed, libvirt error message is...

2013-12-13 04:14:49.271+0000: 32107: error : qemuMigrationUpdateJobStatus:949 : operation failed: domain save job: unexpectedly failed

I want to know cause....