Bug 1376063 - pick-up fix for Nexus threads prematurely terminating sessions
Summary: pick-up fix for Nexus threads prematurely terminating sessions
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-neutron
Version: 8.0 (Liberty)
Hardware: Unspecified
OS: Unspecified
unspecified
urgent
Target Milestone: ---
: 10.0 (Newton)
Assignee: Assaf Muller
QA Contact: Toni Freger
URL:
Whiteboard:
Depends On:
Blocks: 1376069 1376073 1376076 1376077 1376080 1376081 1376086
TreeView+ depends on / blocked
 
Reported: 2016-09-14 14:53 UTC by caboucha
Modified: 2016-09-14 15:55 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Cause: During port scaling, ML2 Plugin Nexus MD Driver threads closing connections before other thread complete. Consequence: Nexus limit of 8 connections exceeded. Fix: Added locks to threads to prevent thread from interfering with other threads operations. Result:
Clone Of:
: 1376069 1376073 1376077 1376080 (view as bug list)
Environment:
Last Closed: 2016-09-14 15:39:20 UTC
Target Upstream Version:

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Description caboucha 2016-09-14 14:53:46 UTC 
Description of problem:
Please incorporate the Nexus MD ML2 Plugin Solution for OSP8:
https://review.openstack.org/#/c/358817/

There exists a neutron process with both a Nexus replay thread and a config thread. These threads share the same ssh session. When they are talking to Nexus at the same time, I saw one thread closing the nexus ssh session before the other thread was complete resulting in unexpected errors.

Version-Release number of selected component (if applicable):

How reproducible:
Very much so with scale and replay configured

Steps to Reproduce:
1. Scale Ml2 Port traffic
2. Replay configured in ml2_conf_cisco.ini file (switch_heartbeat_time = 30)
3.

Actual results:


Expected results:


Additional info:
Comment 2 caboucha 2016-09-14 15:23:11 UTC 
The following is the correct patchset for OSP9 as 349748 was abandoned.
https://review.openstack.org/350770
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