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==========================
Multipath call failed exit
==========================
Problem
~~~~~~~
Multipath call failed exit. This warning occurs in the Compute log
if you do not have the optional ``multipath-tools`` package installed
on the compute node. This is an optional package and the volume
attachment does work without the multipath tools installed.
If the ``multipath-tools`` package is installed on the compute node,
it is used to perform the volume attachment.
The IDs in your message are unique to your system.
.. code-block:: console
WARNING nova.storage.linuxscsi [req-cac861e3-8b29-4143-8f1b-705d0084e571
admin admin|req-cac861e3-8b29-4143-8f1b-705d0084e571 admin admin]
Multipath call failed exit (96)
Solution
~~~~~~~~
Run the following command on the compute node to install the
``multipath-tools`` packages.
.. code-block:: console
# apt-get install multipath-tools
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