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ODA Bug 2706016 symptoms: VMs and REPO in UNKNOWN State ; OS, Xen or OAK Commands Hang ; High IO Looping ; TOP High I/O Wait, "INFO: task nfsd:"#### "blocked for more than 120 seconds"; lo_rw_aio_complete:454:ERROR:-116 received. Device loop10 MAJOR:7 MI (Doc ID 2403746.1)

Last updated on JUNE 01, 2018

Applies to:

Oracle Database Appliance X5-2 - Version All Versions to All Versions [Release All Releases]
Oracle Database Appliance Software - Version 12.1.2.10 to 12.1.2.12 [Release 12.1]
Oracle Database Appliance X6-2 HA Hardware - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.
VM unknown, VM hang, VM offline, Repo UNKNOWN, ODA hang, OS hang, task nfsd, NFSD loop;

Symptoms

You may encounter two or more of the following confirmed symptoms:

VM and Repo Symptoms

High IO, or Load

Hang

Messages file errors:

 

 From the messages files you may find a few key indicators

 

 

Changes

 12.2.1.2 ( or ODA X7-2 12.2.1.1) 

Cause

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