Re: [Openstack] Live Migration + Ceph + ConfigDrive

2015-05-07 Thread Sebastien Han
Actually the issue is that the configdrive is store a file on the fs under /var/lib/nova/instances/$uuid/config.drive AFAIR the other problem is the format of that file that is not supported by libvirt for the live migration. I think you have to apply this patch: https://review.openstack.org/#/c

Re: [Openstack] How can I make my changes of ceph.conf to take effectin Cinder?

2015-05-07 Thread Sebastien Han
You must make sure that this path is writable by QEMU and allowed by SELinux or AppArmor. > On 07 May 2015, at 10:23, killingwolf wrote: > > > You should make sure the two file writeable. > > -- Original -- > From: "李沛伦";; > Date: Thu, May 7, 2015 03:55 PM

Re: [Openstack] cinder-snapshot -vs- cinder-backup?

2015-01-30 Thread Sebastien Han
One of the extra benefit could be that you’re doing backup on another Ceph cluster (potentially on another location). However this will never prevent you from corruption since if corruption already occurred then it will be replicated. Like Erik mentioned a catastrophic situation were you lose al