Hi guys, after upgrading ACS from 4.1.1 to 4.3.1 and upgrading XS 6.0.2 to latest hotfixes and manually replacing NFSSR.py with one from ACS 4.3.1, amongst other errors, I see this error. Snapshot is created successfully. I have created templates from it and used them to create new VMs, but in the log there is an error. (Also snapshots are not working on volumes which have had snapshots before the upgrade. But i will deal with that issue later. They might even be related.)
What should I check to provide you with more info about the issue, so we can address it? Google search came up empty for this issue. :-( Please help me sort this out. To me, it looks like Xen removed /dev/VG_XenStorage-197c3580-fc82-35e5-356d-1f0909a9cfd9/VHD-3d732e11-8697-4a45-9518-44d4154ee6d6 after the copy to secondary storage but before cloudstack ordered the removal. Should I open a bug for it? This is where i believe the snapshot was ordered: ///////////////////////////////////// 2014-10-07 16:51:16,919 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] (http-6443-exec-42:ctx-6a64da65 ctx-e324e472) submit async job-2171, details: AsyncJobVO {id:2171, userId: 28, accountId: 30, instanceType: Snapshot, instanceId: 977, cmd: org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd, cmdInfo: {"id":"977","response":"json","sessionkey”:"XXXXX","cmdEventType":"SNAPSHOT.CREATE","ctxUserId":"28","httpmethod":"GET","_":"1412693528063","volumeid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","quiescevm":"false","ctxAccountId":"30","ctxStartEventId":"60842"}, cmdVersion: 0, status: IN_PROGRESS, processStatus: 0, resultCode: 0, result: null, initMsid: 95545481387, completeMsid: null, lastUpdated: null, lastPolled: null, created: null} 2014-10-07 16:51:16,920 INFO [o.a.c.f.j.i.AsyncJobMonitor] (Job-Executor-84:ctx-649dbc0e) Add job-2171 into job monitoring 2014-10-07 16:51:16,920 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] (Job-Executor-84:ctx-649dbc0e) Executing AsyncJobVO {id:2171, userId: 28, accountId: 30, instanceType: Snapshot, instanceId: 977, cmd: org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd, cmdInfo: {"id":"977","response":"json","sessionkey”:"XXXXX","cmdEventType":"SNAPSHOT.CREATE","ctxUserId":"28","httpmethod":"GET","_":"1412693528063","volumeid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","quiescevm":"false","ctxAccountId":"30","ctxStartEventId":"60842"}, cmdVersion: 0, status: IN_PROGRESS, processStatus: 0, resultCode: 0, result: null, initMsid: 95545481387, completeMsid: null, lastUpdated: null, lastPolled: null, created: null} 2014-10-07 16:51:16,920 DEBUG [c.c.a.ApiServlet] (http-6443-exec-42:ctx-6a64da65 ctx-e324e472) ===END=== XX.XX.XX.XX -- GET command=createSnapshot&volumeid=72d5b956-fbaf-44c2-8aeb-df49354ddbb3&quiescevm=false&response=json&sessionkey=XXXXXX%3D&_=1412693528063 2014-10-07 16:51:16,928 DEBUG [c.c.u.AccountManagerImpl] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Access to Acct[7ff6cd6b-7400-4d44-980b-9dc3115264eb-XXXXXX] granted to Acct[7ff6cd6b-7400-4d44-980b-9dc3115264eb-XXXX] by DomainChecker 2014-10-07 16:51:16,953 INFO [o.a.c.a.c.u.s.CreateSnapshotCmd] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) VOLSS: createSnapshotCmd starts:1412693476953 2014-10-07 16:51:17,290 DEBUG [c.c.a.t.Request] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Seq 2-1824254062: Sending { Cmd , MgmtId: 95545481387, via: 2(x2.XXX), Ver: v1, Flags: 100011, [{"org.apache.cloudstack.storage.command.CreateObjectCommand":{"data":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"volume":{"uuid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"name":"ROOT-457","size":21474836480,"path":"5f54e049-7336-46bf-88be-c364624504f9","volumeId":556,"vmName":"i-30-457-VM","accountId":30,"format":"VHD","id":556,"deviceId":0,"hypervisorType":"XenServer"},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"vmName":"i-30-457-VM","name":"MInecraftDebian_ROOT-457_20141007145115","hypervisorType":"XenServer","id":977,"quiescevm":false,"physicalSize":0}},"wait":0}}] } 2014-10-07 16:51:17,291 DEBUG [c.c.a.t.Request] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Seq 2-1824254062: Executing: { Cmd , MgmtId: 95545481387, via: 2(x2.XXX), Ver: v1, Flags: 100011, [{"org.apache.cloudstack.storage.command.CreateObjectCommand":{"data":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"volume":{"uuid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"name":"ROOT-457","size":21474836480,"path":"5f54e049-7336-46bf-88be-c364624504f9","volumeId":556,"vmName":"i-30-457-VM","accountId":30,"format":"VHD","id":556,"deviceId":0,"hypervisorType":"XenServer"},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"vmName":"i-30-457-VM","name":"MInecraftDebian_ROOT-457_20141007145115","hypervisorType":"XenServer","id":977,"quiescevm":false,"physicalSize":0}},"wait":0}}] } 2014-10-07 16:51:17,291 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-25:ctx-a5197893) Seq 2-1824254062: Executing request 2014-10-07 16:51:18,352 DEBUG [c.c.a.m.AgentManagerImpl] (AgentManager-Handler-7:null) Ping from 21 2014-10-07 16:51:20,075 DEBUG [c.c.a.ApiServlet] (http-6443-exec-34:ctx-c9163aa8) ===START=== XX.XX.XX.XX -- GET command=queryAsyncJobResult&jobId=89c49a6f-9d61-4bd8-a9ee-c41390ea3747&response=json&sessionkey=XXXXX%3D&_=1412693532730 2014-10-07 16:51:20,165 DEBUG [c.c.a.ApiServlet] (http-6443-exec-34:ctx-c9163aa8 ctx-25e4cfa1) ===END=== XX.XX.XX.XX -- GET command=queryAsyncJobResult&jobId=89c49a6f-9d61-4bd8-a9ee-c41390ea3747&response=json&sessionkey=XXXXXX%3D&_=1412693532730 2014-10-07 16:51:20,238 DEBUG [c.c.a.m.AgentManagerImpl] (AgentManager-Handler-12:null) SeqA 27-139339: Processing Seq 27-139339: { Cmd , MgmtId: -1, via: 27, Ver: v1, Flags: 11, [{"com.cloud.agent.api.ConsoleProxyLoadReportCommand":{"_proxyVmId":473,"_loadInfo":"{\n \"connections\": []\n}","wait":0}}] } 2014-10-07 16:51:20,281 DEBUG [c.c.a.m.AgentManagerImpl] (AgentManager-Handler-12:null) SeqA 27-139339: Sending Seq 27-139339: { Ans: , MgmtId: 95545481387, via: 27, Ver: v1, Flags: 100010, [{"com.cloud.agent.api.AgentControlAnswer":{"result":true,"wait":0}}] } 2014-10-07 16:51:21,767 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-25:ctx-a5197893) Seq 2-1824254062: Response Received: 2014-10-07 16:51:21,767 DEBUG [c.c.a.t.Request] (DirectAgent-25:ctx-a5197893) Seq 2-1824254062: Processing: { Ans: , MgmtId: 95545481387, via: 2, Ver: v1, Flags: 10, [{"org.apache.cloudstack.storage.command.CreateObjectAnswer":{"data":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"d38b38f3-ebda-4cf7-9701-4ba22409644c","id":0,"quiescevm":false,"physicalSize":0}},"result":true,"wait":0}}] } 2014-10-07 16:51:21,768 DEBUG [c.c.a.t.Request] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Seq 2-1824254062: Received: { Ans: , MgmtId: 95545481387, via: 2, Ver: v1, Flags: 10, { CreateObjectAnswer } } 2014-10-07 16:51:22,156 DEBUG [o.a.c.s.m.AncientDataMotionStrategy] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) copyAsync inspecting src type SNAPSHOT copyAsync inspecting dest type SNAPSHOT 2014-10-07 16:51:22,201 DEBUG [c.c.a.t.Request] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Seq 1-949601544: Sending { Cmd , MgmtId: 95545481387, via: 1(x3.XXX), Ver: v1, Flags: 100011, [{"org.apache.cloudstack.storage.command.CopyCommand":{"srcTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"d38b38f3-ebda-4cf7-9701-4ba22409644c","volume":{"uuid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"name":"ROOT-457","size":21474836480,"path":"5f54e049-7336-46bf-88be-c364624504f9","volumeId":556,"vmName":"i-30-457-VM","accountId":30,"format":"VHD","id":556,"deviceId":0,"hypervisorType":"XenServer"},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"vmName":"i-30-457-VM","name":"MInecraftDebian_ROOT-457_20141007145115","hypervisorType":"XenServer","id":977,"quiescevm":false,"physicalSize":0}},"destTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/30/556","volume":{"uuid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"name":"ROOT-457","size":21474836480,"path":"5f54e049-7336-46bf-88be-c364624504f9","volumeId":556,"vmName":"i-30-457-VM","accountId":30,"format":"VHD","id":556,"deviceId":0,"hypervisorType":"XenServer"},"dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://s6.XXX/mnt/rootPool/nfsSecondary","_role":"Image"}},"vmName":"i-30-457-VM","name":"MInecraftDebian_ROOT-457_20141007145115","hypervisorType":"XenServer","id":977,"quiescevm":false,"physicalSize":0}},"executeInSequence":false,"options":{"fullSnapshot":"true"},"wait":21600}}] } 2014-10-07 16:51:22,201 DEBUG [c.c.a.t.Request] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Seq 1-949601544: Executing: { Cmd , MgmtId: 95545481387, via: 1(x3.XXX), Ver: v1, Flags: 100011, [{"org.apache.cloudstack.storage.command.CopyCommand":{"srcTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"d38b38f3-ebda-4cf7-9701-4ba22409644c","volume":{"uuid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"name":"ROOT-457","size":21474836480,"path":"5f54e049-7336-46bf-88be-c364624504f9","volumeId":556,"vmName":"i-30-457-VM","accountId":30,"format":"VHD","id":556,"deviceId":0,"hypervisorType":"XenServer"},"dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"vmName":"i-30-457-VM","name":"MInecraftDebian_ROOT-457_20141007145115","hypervisorType":"XenServer","id":977,"quiescevm":false,"physicalSize":0}},"destTO":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/30/556","volume":{"uuid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","volumeType":"ROOT","dataStore":{"org.apache.cloudstack.storage.to.PrimaryDataStoreTO":{"uuid":"1c8dbf77-2b23-3244-91ee-5037cb2a55a8","id":208,"poolType":"IscsiLUN","host":"s2.v.XXX","path":"/iqn.2010-02.XXX:storage.XXX.s2/1","port":3260,"url":"IscsiLUN://s2.v.XXX//iqn.2010-02.XXX:storage.XXX.s2/1/?ROLE=Primary&STOREUUID=1c8dbf77-2b23-3244-91ee-5037cb2a55a8"}},"name":"ROOT-457","size":21474836480,"path":"5f54e049-7336-46bf-88be-c364624504f9","volumeId":556,"vmName":"i-30-457-VM","accountId":30,"format":"VHD","id":556,"deviceId":0,"hypervisorType":"XenServer"},"dataStore":{"com.cloud.agent.api.to.NfsTO":{"_url":"nfs://s6.XXX/mnt/rootPool/nfsSecondary","_role":"Image"}},"vmName":"i-30-457-VM","name":"MInecraftDebian_ROOT-457_20141007145115","hypervisorType":"XenServer","id":977,"quiescevm":false,"physicalSize":0}},"executeInSequence":false,"options":{"fullSnapshot":"true"},"wait":21600}}] } 2014-10-07 16:51:22,202 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-307:ctx-a2d8b59b) Seq 1-949601544: Executing request 2014-10-07 16:51:23,072 DEBUG [c.c.a.ApiServlet] (http-6443-exec-33:ctx-7d98629a) ===START=== XX.XX.XX.XX -- GET command=queryAsyncJobResult&jobId=89c49a6f-9d61-4bd8-a9ee-c41390ea3747&response=json&sessionkey=XXXX%3D&_=1412693535726 2014-10-07 16:51:23,091 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) Creating a not shared SR for nfs://s6.XXX/mnt/rootPool/nfsSecondary/snapshots/30/556 2014-10-07 16:51:23,254 DEBUG [c.c.a.ApiServlet] (http-6443-exec-33:ctx-7d98629a ctx-b1c48235) ===END=== XX.XX.XX.XX -- GET command=queryAsyncJobResult&jobId=89c49a6f-9d61-4bd8-a9ee-c41390ea3747&response=json&sessionkey=XXXXXD&_=1412693535726 2014-10-07 16:51:23,954 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) Checking 844c542f-2085-350d-8be6-2c2452eb3728 or SR 197c3580-fc82-35e5-356d-1f0909a9cfd9 on XS[f6d699aa-f58f-449e-9a51-6e965562f178-XX.XX.023] 2014-10-07 16:51:23,965 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) Host XX.XX.023 OpaqueRef:72228e56-6e60-e1dc-677d-d1dd171045c7: Created a SR; UUID is 197c3580-fc82-35e5-356d-1f0909a9cfd9 device config is {serverpath=/mnt/rootPool/nfsSecondary/snapshots/30/556, server=s6.XXX} ///////////////////////////////////// At that time x3 hypervisor wrote the following to messages: ///////////////////////////////////// Oct 7 16:51:34 x3 multipathd: dm-24: add map (uevent) Oct 7 16:51:34 x3 multipathd: dm-24: add map (uevent) Oct 7 16:51:34 x3 multipathd: dm-25: add map (uevent) Oct 7 16:51:34 x3 multipathd: dm-25: add map (uevent) Oct 7 16:51:34 x3 multipathd: dm-26: add map (uevent) Oct 7 16:51:34 x3 multipathd: dm-27: add map (uevent) Oct 7 16:51:34 x3 multipathd: dm-27: add map (uevent) Oct 7 16:51:34 x3 tapdisk[1677]: tapdisk-control: init, 10 x 4k buffers Oct 7 16:51:34 x3 tapdisk[1677]: I/O queue driver: lio Oct 7 16:51:34 x3 tapdisk[1677]: tapdisk-log: started, level 0 Oct 7 16:51:34 x3 tapdisk[1677]: /dev/VG_XenStorage-3b6e386d-8736-6b6b-7006-f3f4df9bd586/VHD-d38b38f3-ebda-4cf7-9701-4ba22409644c version: tap 0x00010003, b: 10240, a: 0, f: 0, n: 0 Oct 7 16:51:34 x3 tapdisk[1677]: opened image /dev/VG_XenStorage-3b6e386d-8736-6b6b-7006-f3f4df9bd586/VHD-d38b38f3-ebda-4cf7-9701-4ba22409644c (1 users, state: 0x00000003, type: 4, ro) Oct 7 16:51:34 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--a6e64bdc--9883--476f--87b1--07fc669eade7 version: tap 0x00010003, b: 10240, a: 227, f: 1, n: 0 Oct 7 16:51:34 x3 tapdisk[1677]: opened image /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--a6e64bdc--9883--476f--87b1--07fc669eade7 (1 users, state: 0x00000003, type: 4, ro) Oct 7 16:51:34 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--19ef64e0--398a--43b4--ad52--1d36eedc2b81 version: tap 0x00010003, b: 10240, a: 9422, f: 8614, n: 0 Oct 7 16:51:34 x3 tapdisk[1677]: opened image /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--19ef64e0--398a--43b4--ad52--1d36eedc2b81 (1 users, state: 0x00000003, type: 4, ro) Oct 7 16:51:34 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--dde0bd55--1ae3--44bf--be8d--dac901b49c66 version: tap 0x00010003, b: 10240, a: 770, f: 372, n: 0 Oct 7 16:51:34 x3 tapdisk[1677]: opened image /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--dde0bd55--1ae3--44bf--be8d--dac901b49c66 (1 users, state: 0x00000003, type: 4, ro) Oct 7 16:51:34 x3 tapdisk[1677]: VBD CHAIN: Oct 7 16:51:34 x3 tapdisk[1677]: /dev/VG_XenStorage-3b6e386d-8736-6b6b-7006-f3f4df9bd586/VHD-d38b38f3-ebda-4cf7-9701-4ba22409644c: type:vhd(4) storage:lvm(3) Oct 7 16:51:34 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--a6e64bdc--9883--476f--87b1--07fc669eade7: type:vhd(4) storage:lvm(3) Oct 7 16:51:34 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--19ef64e0--398a--43b4--ad52--1d36eedc2b81: type:vhd(4) storage:lvm(3) Oct 7 16:51:34 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--dde0bd55--1ae3--44bf--be8d--dac901b49c66: type:vhd(4) storage:lvm(3) Oct 7 16:51:34 x3 tapdisk[1677]: bdev: capacity=41943040 sector_size=512/512 flags=0 Oct 7 16:51:34 x3 multipathd: tdg: add path (uevent) Oct 7 16:51:34 x3 multipathd: tdg: failed to store path info Oct 7 16:51:34 x3 multipathd: uevent trigger error Oct 7 16:51:34 x3 kernel: block tdg: sector-size: 512/512 capacity: 41943040 Oct 7 16:51:34 x3 kernel: blkback: event-channel 85 Oct 7 16:51:34 x3 kernel: blkback: ring-ref 8 Oct 7 16:51:34 x3 kernel: blkback: protocol 1 (x86_32-abi) Oct 7 16:51:34 x3 multipathd: xvda: add path (uevent) Oct 7 16:51:34 x3 multipathd: xvda: failed to store path info Oct 7 16:51:34 x3 multipathd: uevent trigger error Oct 7 16:51:34 x3 kernel: blkfront: xvda: barriers enabled Oct 7 16:51:34 x3 kernel: xvda: xvda1 xvda2 < xvda5 > Oct 7 16:51:35 x3 vbd.uevent[add](backend/vbd/0/51712): wrote /xapi/0/hotplug/vbd/51712/hotplug = 'online' Oct 7 16:51:35 x3 vbd.uevent[add](backend/vbd/0/51712): wrote backend/vbd/0/51712/hotplug-status = 'connected' Oct 7 16:51:37 x3 tapdisk[2033]: tapdisk-control: init, 10 x 4k buffers Oct 7 16:51:37 x3 tapdisk[2033]: I/O queue driver: lio Oct 7 16:51:37 x3 tapdisk[2033]: tapdisk-log: started, level 0 Oct 7 16:51:37 x3 tapdisk[2033]: /var/run/sr-mount/197c3580-fc82-35e5-356d-1f0909a9cfd9/3d732e11-8697-4a45-9518-44d4154ee6d6.vhd version: tap 0x00010003, b: 10240, a: 0, f: 0, n: 87 Oct 7 16:51:37 x3 tapdisk[2033]: opened image /var/run/sr-mount/197c3580-fc82-35e5-356d-1f0909a9cfd9/3d732e11-8697-4a45-9518-44d4154ee6d6.vhd (1 users, state: 0x00000001, type: 4, rw) Oct 7 16:51:37 x3 tapdisk[2033]: VBD CHAIN: Oct 7 16:51:37 x3 tapdisk[2033]: /var/run/sr-mount/197c3580-fc82-35e5-356d-1f0909a9cfd9/3d732e11-8697-4a45-9518-44d4154ee6d6.vhd: type:vhd(4) storage:nfs(1) Oct 7 16:51:37 x3 tapdisk[2033]: bdev: capacity=41943040 sector_size=512/512 flags=0 Oct 7 16:51:37 x3 multipathd: tdi: add path (uevent) Oct 7 16:51:37 x3 multipathd: tdi: failed to store path info Oct 7 16:51:37 x3 multipathd: uevent trigger error Oct 7 16:51:37 x3 kernel: block tdi: sector-size: 512/512 capacity: 41943040 Oct 7 16:51:37 x3 multipathd: xvdb: add path (uevent) Oct 7 16:51:37 x3 multipathd: xvdb: failed to store path info Oct 7 16:51:37 x3 multipathd: uevent trigger error Oct 7 16:51:37 x3 kernel: blkback: event-channel 87 Oct 7 16:51:37 x3 kernel: blkback: ring-ref 69 Oct 7 16:51:37 x3 kernel: blkback: protocol 1 (x86_32-abi) Oct 7 16:51:37 x3 kernel: blkfront: xvdb: barriers enabled Oct 7 16:51:37 x3 kernel: xvdb: unknown partition table Oct 7 16:51:37 x3 vbd.uevent[add](backend/vbd/0/51728): wrote /xapi/0/hotplug/vbd/51728/hotplug = 'online' Oct 7 16:51:37 x3 vbd.uevent[add](backend/vbd/0/51728): wrote backend/vbd/0/51728/hotplug-status = 'connected' Oct 7 16:51:38 x3 sparse_dd: [ info|x3.XXX|0||sparse_dd] streaming from raw /dev/xvda using BAT from /dev/VG_XenStorage-3b6e386d-8736-6b6b-7006-f3f4df9bd586/VHD-d38b38f3-ebda-4cf7-9701-4ba22409644c (relative to None) to raw file:///dev/xvdb ///////////////////////////////////// This is the actual error, which a believe comes after the copy of the snapshot is made to secondary storage: ///////////////////////////////////// 2014-10-07 17:58:49,920 WARN [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) Task failed! Task record: uuid: 1258a9a9-1b7b-027c-5bfd-a210407b8ba5 nameLabel: Async.host.call_plugin nameDescription: allowedOperations: [] currentOperations: {} created: Tue Oct 07 17:58:48 CEST 2014 finished: Tue Oct 07 17:58:49 CEST 2014 status: failure residentOn: com.xensource.xenapi.Host@c612622b progress: 1.0 type: <none/> result: errorInfo: [XENAPI_PLUGIN_FAILURE, getSnapshotSize, CommandException, 2] otherConfig: {} subtaskOf: com.xensource.xenapi.Task@aaf13f6f subtasks: [] 2014-10-07 17:58:49,929 WARN [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) callHostPlugin failed for cmd: getSnapshotSize with args snapshotUuid: 3d732e11-8697-4a45-9518-44d4154ee6d6, isISCSI: true, primaryStorageSRUuid: 197c3580-fc82-35e5-356d-1f0909a9cfd9, due to Task failed! Task record: uuid: 1258a9a9-1b7b-027c-5bfd-a210407b8ba5 nameLabel: Async.host.call_plugin nameDescription: allowedOperations: [] currentOperations: {} created: Tue Oct 07 17:58:48 CEST 2014 finished: Tue Oct 07 17:58:49 CEST 2014 status: failure residentOn: com.xensource.xenapi.Host@c612622b progress: 1.0 type: <none/> result: errorInfo: [XENAPI_PLUGIN_FAILURE, getSnapshotSize, CommandException, 2] otherConfig: {} subtaskOf: com.xensource.xenapi.Task@aaf13f6f subtasks: [] Task failed! Task record: uuid: 1258a9a9-1b7b-027c-5bfd-a210407b8ba5 nameLabel: Async.host.call_plugin nameDescription: allowedOperations: [] currentOperations: {} created: Tue Oct 07 17:58:48 CEST 2014 finished: Tue Oct 07 17:58:49 CEST 2014 status: failure residentOn: com.xensource.xenapi.Host@c612622b progress: 1.0 type: <none/> result: errorInfo: [XENAPI_PLUGIN_FAILURE, getSnapshotSize, CommandException, 2] otherConfig: {} subtaskOf: com.xensource.xenapi.Task@aaf13f6f subtasks: [] at com.cloud.hypervisor.xen.resource.CitrixResourceBase.checkForSuccess(CitrixResourceBase.java:3764) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.callHostPluginAsync(CitrixResourceBase.java:3971) at com.cloud.hypervisor.xen.resource.XenServerStorageProcessor.getSnapshotSize(XenServerStorageProcessor.java:1161) at com.cloud.hypervisor.xen.resource.XenServerStorageProcessor.backupSnapshot(XenServerStorageProcessor.java:1348) at com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.execute(StorageSubsystemCommandHandlerBase.java:90) at com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.handleStorageCommands(StorageSubsystemCommandHandlerBase.java:50) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:609) at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:59) at com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216) at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53) at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:701) 2014-10-07 17:58:49,945 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) Host XX.XX.023 OpaqueRef:72228e56-6e60-e1dc-677d-d1dd171045c7: Removing SR 2014-10-07 17:58:49,976 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) Host XX.XX.023 OpaqueRef:417a2b3b-8042-359e-6394-180cbf82f600: Unplugging pbd 2014-10-07 17:58:50,423 DEBUG [c.c.a.ApiServlet] (http-6443-exec-42:ctx-b31e9f9b) ===START=== XX.XX.XX.XX -- GET command=queryAsyncJobResult&jobId=89c49a6f-9d61-4bd8-a9ee-c41390ea3747&response=json&sessionkey=vnXXXXXXX%3D&_=1412697583219 2014-10-07 17:58:50,446 DEBUG [c.c.a.ApiServlet] (http-6443-exec-42:ctx-b31e9f9b ctx-b14e1b8b) ===END=== XX.XX.XX.XX -- GET command=queryAsyncJobResult&jobId=89c49a6f-9d61-4bd8-a9ee-c41390ea3747&response=json&sessionkey=vnXXXXXXX%3D&_=1412697583219 2014-10-07 17:58:50,529 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-307:ctx-a2d8b59b) Host XX.XX.023 OpaqueRef:72228e56-6e60-e1dc-677d-d1dd171045c7: Forgetting 2014-10-07 17:58:50,535 DEBUG [c.c.s.StatsCollector] (StatsCollector-3:ctx-222d1581) VmStatsCollector is running... 2014-10-07 17:58:50,555 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-418:ctx-665da9a5) Seq 1-949601730: Executing request 2014-10-07 17:58:50,979 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-418:ctx-665da9a5) Vm cpu utilization 0.98 2014-10-07 17:58:50,979 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-418:ctx-665da9a5) Vm cpu utilization 7.2124999999999995 2014-10-07 17:58:50,979 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-418:ctx-665da9a5) Vm cpu utilization 1.3299999999999998 2014-10-07 17:58:50,979 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-418:ctx-665da9a5) Vm cpu utilization 0.27 2014-10-07 17:58:51,013 WARN [c.c.h.x.r.CitrixResourceBase] (DirectAgent-418:ctx-665da9a5) Error while collecting disk stats from : You gave an invalid object reference. The object may have recently been deleted. The class parameter gives the type of reference given, and the handle parameter echoes the bad value given. at com.xensource.xenapi.Types.checkResponse(Types.java:209) at com.xensource.xenapi.Connection.dispatch(Connection.java:368) at com.cloud.hypervisor.xen.resource.XenServerConnectionPool$XenServerConnection.dispatch(XenServerConnectionPool.java:909) at com.xensource.xenapi.VBDMetrics.getIoReadKbs(VBDMetrics.java:210) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.getVmStats(CitrixResourceBase.java:2863) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:2763) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:493) at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:59) at com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216) at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53) at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:701) 2014-10-07 17:58:51,036 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-418:ctx-665da9a5) Seq 1-949601730: Response Received: 2014-10-07 17:58:51,036 DEBUG [c.c.a.t.Request] (StatsCollector-3:ctx-222d1581) Seq 1-949601730: Received: { Ans: , MgmtId: 95545481387, via: 1, Ver: v1, Flags: 10, { GetVmStatsAnswer } } 2014-10-07 17:58:51,061 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-165:ctx-3c5b0bdc) Seq 2-1824254287: Executing request 2014-10-07 17:58:51,627 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Vm cpu utilization 0.53 2014-10-07 17:58:51,627 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Vm cpu utilization 37.46 2014-10-07 17:58:51,627 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Vm cpu utilization 0.62 2014-10-07 17:58:51,627 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Vm cpu utilization 3.375 2014-10-07 17:58:51,627 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Vm cpu utilization 0.54 2014-10-07 17:58:51,627 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Vm cpu utilization 60.28 2014-10-07 17:58:51,627 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Vm cpu utilization 0.63 2014-10-07 17:58:51,660 WARN [c.c.h.x.r.CitrixResourceBase] (DirectAgent-165:ctx-3c5b0bdc) Error while collecting disk stats from : You gave an invalid object reference. The object may have recently been deleted. The class parameter gives the type of reference given, and the handle parameter echoes the bad value given. at com.xensource.xenapi.Types.checkResponse(Types.java:209) at com.xensource.xenapi.Connection.dispatch(Connection.java:368) at com.cloud.hypervisor.xen.resource.XenServerConnectionPool$XenServerConnection.dispatch(XenServerConnectionPool.java:909) at com.xensource.xenapi.VBDMetrics.getIoReadKbs(VBDMetrics.java:210) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.getVmStats(CitrixResourceBase.java:2863) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:2763) at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:493) at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:59) at com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216) at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53) at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:701) 2014-10-07 17:58:51,683 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-165:ctx-3c5b0bdc) Seq 2-1824254287: Response Received: 2014-10-07 17:58:51,683 DEBUG [c.c.a.t.Request] (StatsCollector-3:ctx-222d1581) Seq 2-1824254287: Received: { Ans: , MgmtId: 95545481387, via: 2, Ver: v1, Flags: 10, { GetVmStatsAnswer } } 2014-10-07 17:58:51,708 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-16:ctx-3d6b458a) Seq 3-1392049173: Executing request 2014-10-07 17:58:51,733 DEBUG [c.c.h.x.r.XenServerStorageProcessor] (DirectAgent-307:ctx-a2d8b59b) Successfully destroyed snapshot on volume: 5f54e049-7336-46bf-88be-c364624504f9 execept this current snapshot d38b38f3-ebda-4cf7-9701-4ba22409644c 2014-10-07 17:58:51,734 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-307:ctx-a2d8b59b) Seq 1-949601544: Response Received: 2014-10-07 17:58:51,734 DEBUG [c.c.a.t.Request] (DirectAgent-307:ctx-a2d8b59b) Seq 1-949601544: Processing: { Ans: , MgmtId: 95545481387, via: 1, Ver: v1, Flags: 10, [{"org.apache.cloudstack.storage.command.CopyCmdAnswer":{"newData":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/30/556/3d732e11-8697-4a45-9518-44d4154ee6d6","id":0,"quiescevm":false,"physicalSize":0}},"result":true,"wait":0}}] } 2014-10-07 17:58:51,734 DEBUG [c.c.a.t.Request] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Seq 1-949601544: Received: { Ans: , MgmtId: 95545481387, via: 1, Ver: v1, Flags: 10, { CopyCmdAnswer } } 2014-10-07 17:58:51,784 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] (Job-Executor-84:ctx-649dbc0e ctx-e324e472) Complete async job-2171, jobStatus: SUCCEEDED, resultCode: 0, result: org.apache.cloudstack.api.response.SnapshotResponse/snapshot/{"id":"a5df5f35-c5f6-4644-a569-9bd4a26e500d","account":"martinG","domainid":"1268ca9a-7ec5-4154-9839-9b90699dfa4b","domain":"ROOT","snapshottype":"MANUAL","volumeid":"72d5b956-fbaf-44c2-8aeb-df49354ddbb3","volumename":"ROOT-457","volumetype":"ROOT","created":"2014-10-07T16:51:15+0200","name":"MInecraftDebian_ROOT-457_20141007145115","intervaltype":"MANUAL","state":"Allocated","tags":[],"revertable":false} ///////////////////////////////////// At that time the x3 hypervisor wrote this to messages: ///////////////////////////////////// Oct 7 17:58:42 x3 multipathd: xvdb: remove path (uevent) Oct 7 17:58:42 x3 multipathd: xvdb: spurious uevent, path not in pathvec Oct 7 17:58:42 x3 multipathd: uevent trigger error Oct 7 17:58:42 x3 vbd.uevent[remove](backend/vbd/0/51728): removed /xapi/0/hotplug/vbd/51728/hotplug Oct 7 17:58:42 x3 vbd.uevent[remove](backend/vbd/0/51728): removed backend/vbd/0/51728/hotplug-status Oct 7 17:58:43 x3 multipathd: tdi: remove path (uevent) Oct 7 17:58:43 x3 multipathd: tdi: spurious uevent, path not in pathvec Oct 7 17:58:43 x3 multipathd: uevent trigger error Oct 7 17:58:43 x3 tapdisk[2033]: gaps written/skipped: 0/0 Oct 7 17:58:43 x3 tapdisk[2033]: /var/run/sr-mount/197c3580-fc82-35e5-356d-1f0909a9cfd9/3d732e11-8697-4a45-9518-44d4154ee6d6.vhd: b: 10240, a: 9510, f: 9510, n: 39029120 Oct 7 17:58:43 x3 tapdisk[2033]: closed image /var/run/sr-mount/197c3580-fc82-35e5-356d-1f0909a9cfd9/3d732e11-8697-4a45-9518-44d4154ee6d6.vhd (0 users, state: 0x00000000, type: 4) Oct 7 17:58:43 x3 tapdisk[2033]: tapdisk-log: closing after 0 errors Oct 7 17:58:43 x3 tapdisk[2033]: tapdisk-syslog: 11 messages, 893 bytes, xmits: 12, failed: 0, dropped: 0 Oct 7 17:58:43 x3 tapdisk[2033]: tapdisk-control: draining 1 connections Oct 7 17:58:43 x3 tapdisk[2033]: tapdisk-control: done Oct 7 17:58:44 x3 ovs-vswitchd: 46807|timeval|WARN|9 ms poll interval (0 ms user, 0 ms system) is over 14 times the weighted mean interval 1 ms (54312674 samples) Oct 7 17:58:44 x3 ovs-vswitchd: 46808|coverage|INFO|Skipping details of duplicate event coverage for hash=735285a1 in epoch 54312674 Oct 7 17:58:44 x3 multipathd: xvda: remove path (uevent) Oct 7 17:58:44 x3 multipathd: xvda: spurious uevent, path not in pathvec Oct 7 17:58:44 x3 multipathd: uevent trigger error Oct 7 17:58:44 x3 vbd.uevent[remove](backend/vbd/0/51712): removed /xapi/0/hotplug/vbd/51712/hotplug Oct 7 17:58:44 x3 vbd.uevent[remove](backend/vbd/0/51712): removed backend/vbd/0/51712/hotplug-status Oct 7 17:58:45 x3 multipathd: tdg: remove path (uevent) Oct 7 17:58:45 x3 multipathd: tdg: spurious uevent, path not in pathvec Oct 7 17:58:45 x3 tapdisk[1677]: gaps written/skipped: 0/0 Oct 7 17:58:45 x3 multipathd: uevent trigger error Oct 7 17:58:45 x3 tapdisk[1677]: /dev/VG_XenStorage-3b6e386d-8736-6b6b-7006-f3f4df9bd586/VHD-d38b38f3-ebda-4cf7-9701-4ba22409644c: b: 10240, a: 0, f: 0, n: 0 Oct 7 17:58:45 x3 tapdisk[1677]: closed image /dev/VG_XenStorage-3b6e386d-8736-6b6b-7006-f3f4df9bd586/VHD-d38b38f3-ebda-4cf7-9701-4ba22409644c (0 users, state: 0x00000002, type: 4) Oct 7 17:58:45 x3 tapdisk[1677]: gaps written/skipped: 0/0 Oct 7 17:58:45 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--a6e64bdc--9883--476f--87b1--07fc669eade7: b: 10240, a: 227, f: 1, n: 0 Oct 7 17:58:45 x3 tapdisk[1677]: closed image /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--a6e64bdc--9883--476f--87b1--07fc669eade7 (0 users, state: 0x00000002, type: 4) Oct 7 17:58:45 x3 tapdisk[1677]: gaps written/skipped: 0/0 Oct 7 17:58:45 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--19ef64e0--398a--43b4--ad52--1d36eedc2b81: b: 10240, a: 9422, f: 8614, n: 0 Oct 7 17:58:45 x3 tapdisk[1677]: closed image /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--19ef64e0--398a--43b4--ad52--1d36eedc2b81 (0 users, state: 0x00000002, type: 4) Oct 7 17:58:45 x3 tapdisk[1677]: gaps written/skipped: 0/0 Oct 7 17:58:45 x3 tapdisk[1677]: /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--dde0bd55--1ae3--44bf--be8d--dac901b49c66: b: 10240, a: 770, f: 372, n: 0 Oct 7 17:58:45 x3 tapdisk[1677]: closed image /dev/mapper/VG_XenStorage--3b6e386d--8736--6b6b--7006--f3f4df9bd586-VHD--dde0bd55--1ae3--44bf--be8d--dac901b49c66 (0 users, state: 0x00000002, type: 4) Oct 7 17:58:45 x3 tapdisk[1677]: tapdisk-log: closing after 0 errors Oct 7 17:58:46 x3 tapdisk[1677]: tapdisk-syslog: 14 messages, 1425 bytes, xmits: 15, failed: 0, dropped: 0 Oct 7 17:58:45 x3 tapdisk[1677]: tapdisk-control: draining 1 connections Oct 7 17:58:45 x3 tapdisk[1677]: tapdisk-control: done Oct 7 17:58:46 x3 multipathd: dm-24: remove map (uevent) Oct 7 17:58:46 x3 multipathd: dm-24: devmap not registered, can't remove Oct 7 17:58:46 x3 multipathd: dm-24: remove map (uevent) Oct 7 17:58:46 x3 multipathd: dm-24: devmap not registered, can't remove Oct 7 17:58:46 x3 multipathd: dm-27: remove map (uevent) Oct 7 17:58:46 x3 multipathd: dm-27: devmap not registered, can't remove Oct 7 17:58:46 x3 multipathd: dm-27: remove map (uevent) Oct 7 17:58:46 x3 multipathd: dm-27: devmap not registered, can't remove Oct 7 17:58:46 x3 multipathd: dm-25: remove map (uevent) Oct 7 17:58:46 x3 multipathd: dm-25: devmap not registered, can't remove Oct 7 17:58:47 x3 multipathd: dm-25: remove map (uevent) Oct 7 17:58:47 x3 multipathd: dm-25: devmap not registered, can't remove Oct 7 17:58:47 x3 multipathd: dm-26: remove map (uevent) Oct 7 17:58:47 x3 multipathd: dm-26: devmap not registered, can't remove Oct 7 17:58:47 x3 multipathd: dm-26: remove map (uevent) Oct 7 17:58:47 x3 multipathd: dm-26: devmap not registered, can't remove Oct 7 17:58:49 x3 vhd-util: libvhd::vhd_open: failed to open /dev/VG_XenStorage-197c3580-fc82-35e5-356d-1f0909a9cfd9/VHD-3d732e11-8697-4a45-9518-44d4154ee6d6: -2 ///////////////////////////////////// vhd-utils on x3: [root@x3 log]# find / -name vhd-util /usr/sbin/vhd-util /opt/xensource/bin/vhd-util /opt/cloud/bin/vhd-util find: /proc/7815/net: Invalid argument [root@x3 log]# md5sum /usr/sbin/vhd-util c849eae34a76f18163ffeea7ae1008fe /usr/sbin/vhd-util [root@x3 log]# md5sum /opt/xensource/bin/vhd-util 2f3b434842d25d9672cc0a75d103ae90 /opt/xensource/bin/vhd-util [root@x3 log]# md5sum /opt/cloud/bin/vhd-util 2f3b434842d25d9672cc0a75d103ae90 /opt/cloud/bin/vhd-util Also in XenCenter I can still see MInecraftDebian_ROOT-457_20141007145115. Thank you for your time. Regads, F.