multipathing for iscsi should be enabled by default

[Alon Marx]

The 'iscsi_use_multipath' parameter indicates whether to use multipathing in iscsi. For some reason it's default value was set to false, which produces reduced performance.

This parameter was added in https://review.openstack.org/#/c/17946/

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/119565

[OpenStack Infra (hudson-openstack)]

Change abandoned by Sean Dague (<email address hidden>) on branch: master
Review: https://review.openstack.org/119565
Reason: This review is > 4 weeks without comment, and failed Jenkins the last time it was checked. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and leaving a 'recheck' comment to get fresh test results.

[Davanum Srinivas (DIMS) (dims-v)]

Removing "In Progress" status and assignee as change is abandoned.

[Walt Boring (walter-boring)]

I disagree with this bug. It should only be enabled if the multipath daemon is installed and running.

[Augustina Ragwitz (auggy)]

Marking as incomplete since it sounds like more discussion needs to happen around how to resolve this if at all.

[Launchpad Janitor (janitor)]

[Expired for OpenStack Compute (nova) because there has been no activity for 60 days.]