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OLVM: Frequent VM Paused With Error "unknown storage error" (Doc ID 2727849.1)

Last updated on DECEMBER 06, 2020

Applies to:

Linux OS - Version Oracle Linux 7.8 with Unbreakable Enterprise Kernel [4.14.35] and later
Linux x86-64

Symptoms

VM gets pasued frequently with below error:

Engine log:

2020-11-03 10:14:20,573-08 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-10) [] EVENT_ID: VM_PAUSED(1,025), VM svrplma has been paused.
2020-11-03 10:14:20,606-08 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-10) [] EVENT_ID: VM_PAUSED_ERROR(139), VM svrplma has been paused due to unknown storage error.
2020-11-03 11:39:34,433-08 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-0) [] EVENT_ID: VM_PAUSED(1,025), VM svrplma has been paused.
2020-11-03 11:39:34,466-08 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-0) [] EVENT_ID: VM_PAUSED_ERROR(139), VM svrplma has been paused due to unknown storage error.
2020-11-04 19:00:22,878-08 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-14)[] EVENT_ID: VM_PAUSED(1,025), VM svrplma has been paused.
2020-11-04 19:00:22,883-08 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-14) [] EVENT_ID: VM_PAUSED_ERROR(139), VM svrplma has been paused due to unknown storage error.

vdsm.log:

2020-11-04 18:53:33,307-0800 INFO (jsonrpc/0) [throttled] Current getAllVmStats: {'9abd3acb-1836-4816-8188-dc405b4c4be8': 'Up', '9acbfbc4-17f2-485a-96c8-f80181c07e02': 'Up', 
'cc7ba61a-fd45-411b-8898-e902fabb2689': 'Up', '0b5b696d-913c-43d5-bd09-61b85b3b03c8': 'Up', '1cd894ef-2e12-4dd8-bbfc-13724eb78870': 'Up', '0b0eb732-2b5b-4879-896c-8eff6b92da2e': 'Up'} (throttledlog:104)
2020-11-04 19:00:22,836-0800 INFO (libvirt/events) [virt.vm] (vmId='1cd894ef-2e12-4dd8-bbfc-13724eb78870') abnormal vm stop device ua-c78ac210-7105-4960-a8b9-aa08e3373f7d error (vm:5064)
2020-11-04 19:00:22,836-0800 INFO (libvirt/events) [virt.vm] (vmId='1cd894ef-2e12-4dd8-bbfc-13724eb78870') CPU stopped: onIOError (vm:6048)
2020-11-04 19:00:22,841-0800 INFO (libvirt/events) [virt.vm] (vmId='1cd894ef-2e12-4dd8-bbfc-13724eb78870') CPU stopped: onSuspend (vm:6048)
2020-11-04 19:00:22,891-0800 WARN (libvirt/events) [virt.vm] (vmId='1cd894ef-2e12-4dd8-bbfc-13724eb78870') device sdb reported I/O error (vm:3990)

Cause

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In this Document
Symptoms
Cause
Solution
References


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