This should go straightaway to the ceph datastore documentation. Thanks Bill!
On Wed, Apr 17, 2013 at 6:35 PM, Campbell, Bill <[email protected]> wrote: > From our experience that's because it cannot see the checkpoint file on the > target hypervisor. > > For migration, the Ceph driver uses the transfer manager of the 'system' > datastore, and from our experience we have to do either one of two things: > > 1. The /var/lib/one/datastores/0 (system datastore) directory needs to be > shared between opennebula and the hypervisor nodes > 2. Change the system datastore to use the ssh transfer manager, then modify > the pre and postmigrate scripts for the ssh transfer manager to copy over the > deployment/checkpoint files from the deployed node > > We went with option 2 to prevent the reliance on a shared storage volume > (NFS, iSCSI etc.) for holding the deployment and configuration files. > > ----- Original Message ----- > From: "Ruben S. Montero" <[email protected]> > To: [email protected] > Sent: Wednesday, April 17, 2013 11:48:54 AM > Subject: Re: [one-users] Opennebula 4.0, Ceph cluster migrate vm problem > > Hi > > Can you check that the checkpoint file is created and it has access > permissions for oneadmin?. Could it be an issue with the KVM > configuration (dynamic_ownership or user/group). From the logs it > seems that the checkpoint file is not created or cannot be read... You > can also try onevm stop/resume to test the checkpoint functionality. > > Cheers > > Ruben > > On Tue, Apr 16, 2013 at 4:50 PM, Stefan Ivanov <[email protected]> wrote: >> Hello all. >> >> I have problem with migration of virtual machines. When i try to migrate >> from hos to host i get this error: >> VMM][I]: Command execution fail: /var/tmp/one/vmm/kvm/restore >> /var/lib/one//datastores/0/4/checkpoint gamma 4 gamma >> Tue Apr 16 17:46:30 2013 [VMM][E]: restore: Command "virsh --connect >> qemu:///system restore /var/lib/one//datastores/0/4/checkpoint" failed: >> error: Failed to restore domain from /var/lib/one//datastores/0/4/checkpoint >> >> There is my datastore info: >> DATASTORE 107 INFORMATION >> ID : 107 >> NAME : ceph_data >> USER : oneadmin >> GROUP : oneadmin >> CLUSTER : - >> TYPE : IMAGE >> DS_MAD : ceph >> TM_MAD : ceph >> BASE PATH : /var/lib/one/datastores/107 >> DISK_TYPE : RBD >> >> PERMISSIONS >> OWNER : um- >> GROUP : u-- >> OTHER : --- >> >> DATASTORE TEMPLATE >> DISK_TYPE="RBD" >> DS_MAD="ceph" >> HOST="alpha" >> POOL_NAME="data" >> TM_MAD="ceph" >> TYPE="IMAGE_DS" >> >> >> There is mu error log. >> Tue Apr 16 17:46:25 2013 [LCM][I]: New VM state is SAVE_MIGRATE >> Tue Apr 16 17:46:27 2013 [VMM][I]: ExitCode: 0 >> Tue Apr 16 17:46:27 2013 [VMM][I]: Successfully execute virtualization >> driver operation: save. >> Tue Apr 16 17:46:27 2013 [VMM][I]: ExitCode: 0 >> Tue Apr 16 17:46:27 2013 [VMM][I]: Successfully execute network driver >> operation: clean. >> Tue Apr 16 17:46:29 2013 [LCM][I]: New VM state is PROLOG_MIGRATE >> Tue Apr 16 17:46:29 2013 [TM][I]: ExitCode: 0 >> Tue Apr 16 17:46:29 2013 [TM][I]: ExitCode: 0 >> Tue Apr 16 17:46:30 2013 [LCM][I]: New VM state is BOOT >> Tue Apr 16 17:46:30 2013 [VMM][I]: ExitCode: 0 >> Tue Apr 16 17:46:30 2013 [VMM][I]: Successfully execute network driver >> operation: pre. >> Tue Apr 16 17:46:30 2013 [VMM][I]: Command execution fail: >> /var/tmp/one/vmm/kvm/restore /var/lib/one//datastores/0/4/checkpoint gamma 4 >> gamma >> Tue Apr 16 17:46:30 2013 [VMM][E]: restore: Command "virsh --connect >> qemu:///system restore /var/lib/one//datastores/0/4/checkpoint" failed: >> error: Failed to restore domain from /var/lib/one//datastores/0/4/checkpoint >> Tue Apr 16 17:46:30 2013 [VMM][I]: error: Failed to create file >> '/var/lib/one//datastores/0/4/checkpoint': No such file or directory >> Tue Apr 16 17:46:30 2013 [VMM][E]: Could not restore from >> /var/lib/one//datastores/0/4/checkpoint >> Tue Apr 16 17:46:30 2013 [VMM][I]: ExitCode: 1 >> Tue Apr 16 17:46:30 2013 [VMM][I]: Failed to execute virtualization driver >> operation: restore. >> Tue Apr 16 17:46:30 2013 [VMM][E]: Error restoring VM: Could not restore >> from /var/lib/one//datastores/0/4/checkpoint >> Tue Apr 16 17:46:32 2013 [DiM][I]: New VM state is FAILED >> >> Any ideas what is the problem? >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > > > > -- > Ruben S. Montero, PhD > Project co-Lead and Chief Architect > OpenNebula - The Open Source Solution for Data Center Virtualization > www.OpenNebula.org | [email protected] | @OpenNebula > _______________________________________________ > Users mailing list > [email protected] > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > NOTICE: Protect the information in this message in accordance with the > company's security policies. If you received this message in error, > immediately notify the sender and destroy all copies. -- Ruben S. Montero, PhD Project co-Lead and Chief Architect OpenNebula - The Open Source Solution for Data Center Virtualization www.OpenNebula.org | [email protected] | @OpenNebula _______________________________________________ Users mailing list [email protected] http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
