Hi, This is one-time failure. Non reproducible. disk_id was not inserted into DB because of jsonrpc/networking issue. But once OST runs on localhost networking (should not) be a problem here so adding Piotr. Failed jobs: http://jenkins.ovirt.org/view/experimental%20jobs/job/test-repo_ovirt_experi... Logs: http://jenkins.ovirt.org/view/experimental%20jobs/job/test-repo_ovirt_experi... http://jenkins.ovirt.org/view/experimental%20jobs/job/test-repo_ovirt_experi... [LOGS SNIPPETS] 35897:2017-03-02 07:12:28,721-05 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.CreateImageVDSCommand] (default task-19) [4adab878] START, CreateImageVDSCommand( CreateImageVDSCommandParameters:{runAsync='true', storagePoolId='9314c679-9a20-48b4-b62a-f7b6a3703287', ignoreFailoverLimit='false', storageDomainId='49226db8-e43f-4a15-a3a3-0bddd690d06b', imageGroupId='9cf5a90d-05fc-45de-a3c1-adbb6822150e', imageSizeInBytes='2', volumeFormat='COW', newImageId='c5275e2f-ac80-47c2-a43e-b5a0420a4211', newImageDescription='{"DiskAlias":"vm0_disk0","DiskDescription":""}', imageInitialSizeInBytes='0'}), log id: 657ef611 35920:{"jsonrpc":"2.0","method":"Volume.create","params":{"volumeID":"c5275e2f-ac80-47c2-a43e-b5a0420a4211","storagepoolID":"9314c679-9a20-48b4-b62a-f7b6a3703287","storagedomainID":"49226db8-e43f-4a15-a3a3-0bddd690d06b","imageID":"9cf5a90d-05fc-45de-a3c1-adbb6822150e","size":"2","volFormat":4,"preallocate":2,"diskType":2,"desc":"{\"DiskAlias\":\"vm0_disk0\",\"DiskDescription\":\"\"}","srcImgUUID":"00000000-0000-0000-0000-000000000000","srcVolUUID":"00000000-0000-0000-0000-000000000000"},"id":"0a757eae-0cc2-4f15-9bb5-05ad3221f697"} <=== NOTE NULL character here 35926:<JsonRpcRequest id: "0a757eae-0cc2-4f15-9bb5-05ad3221f697", method: Volume.create, params: {volumeID=c5275e2f-ac80-47c2-a43e-b5a0420a4211, storagepoolID=9314c679-9a20-48b4-b62a-f7b6a3703287, storagedomainID=49226db8-e43f-4a15-a3a3-0bddd690d06b, imageID=9cf5a90d-05fc-45de-a3c1-adbb6822150e, size=2, volFormat=4, preallocate=2, diskType=2, desc={"DiskAlias":"vm0_disk0","DiskDescription":""}, srcImgUUID=00000000-0000-0000-0000-000000000000, srcVolUUID=00000000-0000-0000-0000-000000000000}> 35996:2017-03-02 07:12:30,468-05 ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (default task-19) [4adab878] ERROR, CreateImageVDSCommand( CreateImageVDSCommandParameters:{runAsync='true', storagePoolId='9314c679-9a20-48b4-b62a-f7b6a3703287', ignoreFailoverLimit='false', storageDomainId='49226db8-e43f-4a15-a3a3-0bddd690d06b', imageGroupId='9cf5a90d-05fc-45de-a3c1-adbb6822150e', imageSizeInBytes='2', volumeFormat='COW', newImageId='c5275e2f-ac80-47c2-a43e-b5a0420a4211', newImageDescription='{"DiskAlias":"vm0_disk0","DiskDescription":""}', imageInitialSizeInBytes='0'}), exception: VDSGenericException: VDSNetworkException: 880 > 879, log id: 657ef611 36511:2017-03-02 07:12:35,744-05 INFO [org.ovirt.engine.core.bll.storage.disk.image.AddImageFromScratchCommand] (default task-19) [4adab878] Command [id=35007fba-781c-4a15-8f29-a8efe441b2f3]: Compensating NEW_ENTITY_ID of org.ovirt.engine.core.common.businessentities.storage.DiskImage; snapshot: 9cf5a90d-05fc-45de-a3c1-adbb6822150e. 2017-03-02 07:12:35,766-05 WARN [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler7) [6dc0e793] EVENT_ID: SYSTEM_CHANGE_STORAGE_POOL_STATUS_PROBLEMATIC(980), Correlation ID: 6dc0e793, Call Stack: null, Custom Event ID: -1, Message: Invalid status on Data Center test-dc. Setting status to Non Responsive. 2017-03-02 07:12:35,773-05 INFO [org.ovirt.engine.core.bll.tasks.AsyncTaskManager] (default task-19) [4adab878] Removed task '10b3bd58-8f3e-4b23-a8b6-27db110810d5' from DataBase 2017-03-02 07:12:35,779-05 DEBUG [org.ovirt.engine.core.dal.dbbroker.CustomSQLErrorCodeSQLExceptionTranslator] (default task-19) [4adab878] Translating SQLException with SQL state '23503', error code '0', message [ERROR: insert or update on table "disk_vm_element" violates foreign key constraint "fk_disk_vm_element_base_disks" Detail: Key (disk_id)=(9cf5a90d-05fc-45de-a3c1-adbb6822150e) is not present in table "base_disks". -- Pavel