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vCenter Server and vmkernel logs report the message: The ramdisk 'root' is full (2033073)

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Symptoms

  • ESXi is disconnected from vCenter Server.
  • You will see the following error when creating a virtual machine on an affected ESXi host:

    A general system error occurred: failed to create journal file provider:failed to open "/var/log/vmware/journal/1349795091.4" for write:no such file"

  • In vCenter Server and vmkernel logs, you see the message:
The ramdisk 'root' is full.
  • You are using an IBM embedded ESXi installation.
  • Cannot connect to ESXi host via SSH.
  • The vdf -h command shows 99% of disk utilization on the root disk.

Cause

This issue occurs if the root ramdisk is filled with logs. IBM embedded ESXi points the scratch partition to the /ibm folder, which resides on the root ramdisk.

Resolution

To resolve this issue:
  • Check the /var/spool/snmp directory to ensure there are no additional SNMP traps being created.

    If there are a significant number of .trp (trap) files:
    1. Run this command:

      ls | xargs

    2. Verify that the ramdisk now has free space using this command:

      vdf -h

  • Back up or erase all files (if not required) in the /ibm directory and then restart the management agents on the ESXi host.

Additional Information

Ensure to redirect the scratch partition of the ESXi host to a persistent storage outside the ramdisk.
 

See Also

Update History

10/152012 - Added additional symptoms

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