Oracle VM: VM Guest With 100+ Virtual Disks Does Not Recognize Them All and Loses Connectivity

(Doc ID 2038050.1)

Last updated on OCTOBER 05, 2017

Applies to:

Oracle VM - Version 3.2.8 and later
Linux x86
Linux x86-64

Symptoms

After adding 104 or more virtual disks to a paravirtualized virtual machine (PVM), then booting the virtual machine (VM) with an Oracle UEK2, UEK3, or UEK4 kernel, the VM not recognize all the disks and will lose network connectivity.

Failure to start the VM is shown in the OVM Manager host AdminServer.log file:

In the case of a PVM guest running the Red Hat Compatible Kernel (RHCK) the VM may suffer same issue of recognizing 100+ virtual disks.

Cause

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