From UI check if your SSVM is Running and Agent state is Connected.
On 15/09/16, 3:39 PM, "Ugo Vasi" <ugo.v...@procne.it> wrote: >Hi all, >manually migrating some VMs from one host to another in anticipation of >a maintenance, we were stopped by an error that does not allow us to >migrate any other VMs. >We moved two VMs without problems and, after migrating the Secondary >Storage VM it's now no longer possible to migrate further VMs due to the >following error: > > >2016-09-15 11:50:59,744 ERROR [c.c.v.VmWorkJobHandlerProxy] >(Work-Job-Executor-154:ctx-b85c4d66 job-1943/job-1944 ctx-fb8615d0) >Invocation exception, caused by: >com.cloud.exception.AgentUnavailableException: Resource [Host:6] is >unreachable: Host 6: Unable to prepare for migration due to >com.cloud.utils.exception.CloudRuntimeException: Could not fetch storage >pool 35620029-6800-38f4-8e7b-5ab68cc194ee from libvirt > at >com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager.getStoragePool(KVMStoragePoolManager.java:212) > (snipped) > >2016-09-15 11:50:59,746 INFO [c.c.v.VmWorkJobHandlerProxy] >(Work-Job-Executor-154:ctx-b85c4d66 job-1943/job-1944 ctx-fb8615d0) >Rethrow exception com.cloud.exception.AgentUnavailableException: >Resource [Host:6] is unreachable: Host 6: Unable to prepare for >migration due to com.cloud.utils.exception.CloudRuntimeException: Could >not fetch storage pool 35620029-6800-38f4-8e7b-5ab68cc194ee from libvirt > at >com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager.getStoragePool(KVMStoragePoolManager.java:212) > (snipped) > >2016-09-15 11:50:59,746 DEBUG [c.c.v.VmWorkJobDispatcher] >(Work-Job-Executor-154:ctx-b85c4d66 job-1943/job-1944) Done with run of >VM work job: com.cloud.vm.VmWorkMigrate for VM 78, job origin: 1943 > > >Our configuration is: >Cloudstack 4.5.2 on Ubuntu 14.04 > >Thanks in advance abhinandan.prat...@shapeblue.comĀ www.shapeblue.com 53 Chandos Place, Covent Garden, London WC2N 4HSUK @shapeblue