Multipath connections can silently fall back to single path

Bug #1493962 reported by Patrick East
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
os-brick
Fix Released
Undecided
Unassigned

Bug Description

Right now when we are connecting with multipath you can get into a state where the iSCSI or FC volumes show up on the initiator, but multipath is broken enough that the multipath device does not appear. We handle this case gracefully and just pick one of the devices that did show up and use that to connect.

The problem though is that there isn't any log messaging to really make it apparent that even though configured for multipath it isn't really using the multipath device.

There isn't much we can do to prevent this from happening, and I would rather it fall back to the single path and keep working, but I do think maybe some log messaging could be helpful.

Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix merged to os-brick (master)

Reviewed: https://review.openstack.org/221913
Committed: https://git.openstack.org/cgit/openstack/os-brick/commit/?id=798f9650eaa60f7fc5cad0acf567cd84b9d524ca
Submitter: Jenkins
Branch: master

commit 798f9650eaa60f7fc5cad0acf567cd84b9d524ca
Author: Patrick East <email address hidden>
Date: Wed Sep 9 11:51:32 2015 -0700

    Log a message when can’t find multipath device

    If we couldn’t find a multipath device we will now log a debug message
    explaining as much. This can be helpful when troubleshooting issues with
    multipath configurations and connections.

    Change-Id: Ia41f65478df67d5ff4857314aa749cbf5cdc89d0
    Closes-Bug: #1493962

Changed in os-brick:
status: New → Fix Committed
Changed in os-brick:
milestone: none → 0.5.0
status: Fix Committed → Fix Released
Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix included in openstack/os-brick 0.5.0

This issue was fixed in the openstack/os-brick 0.5.0 release.

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