So critical ! I will do a test on cloudstack 4.4 + KVM + RBD, and focus on this case.
2014-10-01 15:21 GMT+08:00 Indra Pramana <in...@sg.or.id>: > Dear all, > > Anyone using CloudStack with Ceph RBD as primary storage? I am using > CloudStack 4.2.0 with KVM hypervisors and Ceph latest stable version of > dumpling. > > Based on what I see, when Ceph cluster is in degraded state (not > active+clean), for example due to one node is down and in recovering > process, it might affect CloudStack operations. For example: > > - Stopped VM cannot be started, because it says cannot find suitable > storage pool. > > - Disconnected host cannot be reconnected easily, even after restarting > agent and libvirt on agent side, and restarting management server on the > server side. Need to keep on trying and suddenly it will be connected/up by > itself. > > Once Ceph has recovered and back to active+clean state, then CloudStack > operations will be back to normal. Host agents will be up, and VMs can be > started. > > Anyone seeing similar behaviour? > > Looking forward to your reply, thank you. > > Cheers. >
