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OLVM: Virtual Machine Turned Off By OLVM - EVENT_ID: VM_PAUSED_EIO (Doc ID 2696292.1)

Last updated on NOVEMBER 30, 2020

Applies to:

Linux OS - Version Oracle Linux 7.7 with Unbreakable Enterprise Kernel [4.14.35] and later
Linux x86-64

Symptoms

On : Oracle Linux Virtualization Manager(OLVM) 4.2.8.
During I/O Errors or very high Disk I/O, a virtual machine will be put into pause status automatically.

-- Error in OLVM Managher engine.log:

2020-01-01 01:28:36,130+02 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engineScheduled-Thread-67) [] EVENT_ID: VM_PAUSED_EIO(145), VM <vm-name> has been paused due to storage I/O problem.

-- Warning in the KVM host vdsm.log:

2020-01-01 01:28:26,720+0200 INFO (libvirt/events) [virt.vm] (vmId='0c40f279-ba66-4dd7-a5d4-d7f7e99287bd') abnormal vm stop device ua-4682545d-b93d-4390-840d-52102624bcb2 error (vm:5158)
2020-01-01 01:28:26,721+0200 INFO (libvirt/events) [virt.vm] (vmId='0c40f279-ba66-4dd7-a5d4-d7f7e99287bd') CPU stopped: onIOError (vm:6199)
2020-01-01 01:28:26,724+0200 INFO (libvirt/events) [virt.vm] (vmId='0c40f279-ba66-4dd7-a5d4-d7f7e99287bd') CPU stopped: onSuspend (vm:6199)
2020-01-01 01:28:26,732+0200 WARN (libvirt/events) [virt.vm] (vmId='0c40f279-ba66-4dd7-a5d4-d7f7e99287bd') device sda reported I/O error (vm:4107)

-- Multipath failures in the KVM host /var/log/messages (as an example):

Jan 1 01:28:25 <kvm host> multipathd: 1NUTANIX_NFS_9_0_275_fcfc0190_0190_4e02_a84f_a700608ed237: sdae - directio checker reports path is up
Jan 1 01:28:25 <kvm host> multipathd: 65:224: reinstated
Jan 1 01:28:25 <kvm host> multipathd: 1NUTANIX_NFS_9_0_275_fcfc0190_0190_4e02_a84f_a700608ed237: queue_if_no_path enabled
Jan 1 01:28:25 <kvm host> multipathd: 1NUTANIX_NFS_9_0_275_fcfc0190_0190_4e02_a84f_a700608ed237: Recovered to normal mode
Jan 1 01:28:25 <kvm host> multipathd: 1NUTANIX_NFS_9_0_275_fcfc0190_0190_4e02_a84f_a700608ed237: remaining active paths: 1
Jan 1 01:28:28 <kvm host> multipathd: 1NUTANIX_NFS_9_0_278_0bd11a9c_786c_4316_b897_14cd73df46f3: sdc - directio checker reports path is up
Jan 1 01:28:28 <kvm host> kernel: device-mapper: multipath: Reinstating path 8:32.

Cause

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In this Document
Symptoms
Cause
Solution
References


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