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From sureshanaparti <...@git.apache.org>
Subject [GitHub] cloudstack pull request: CLOUDSTACK-9184: [VMware] vmware.ports.pe...
Date Thu, 17 Dec 2015 04:39:58 GMT
GitHub user sureshanaparti opened a pull request:

    https://github.com/apache/cloudstack/pull/1253

    CLOUDSTACK-9184: [VMware] vmware.ports.per.dvportgroup global setting is not useful from
vCenter 5.0 onwards

    Modify the default value of this setting, which is currently 256, by decreasing it to
8 because even a dvportgroup with autoexpand feature enabled there exists an initial number
of ports as starting point, which can be again configured through this configuration setting.
But keeping this value 256 doesn't make sense when auto expand feature is available. Keeping
the starting number of dvports per dvportgroup to reasonably minimum would ensure optimal
distribution across dvportgroups in dvSwitch.
    
    The vSphere Auto Expand feature (introduced in vSphere 5.0) will take care of dynamically
increasing/decreasing the dvPorts when running out of distributed ports . But in case of vSphere
4.1/4.0 (If used), as this feature is not there, the new default value (=> 8) have an impact
in the existing deployments. Action item for vSphere 4.1/4.0: Admin should modify the global
configuration setting "vmware.ports.per.dvportgroup" from 8 to any number based on their environment
because the proposal default value of 8 would be very less without auto expand feature in
general. The current default value of 256 may not need immediate modification after deployment,
but 8 would be very less which means admin need to update immediately after upgrade.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sureshanaparti/cloudstack CLOUDSTACK-9184

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cloudstack/pull/1253.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1253
    
----
commit 4e0cd09226ed1819f51ad018ec0020358d5c3e85
Author: Suresh Kumar Anaparti <sureshkumar.anaparti@citrix.com>
Date:   2015-12-17T04:34:53Z

    CLOUDSTACK-9184: [VMware] vmware.ports.per.dvportgroup global setting is not useful from
vCenter 5.0 onwards
    
    Fix: Modify the default value of this setting, which is currently 256, by decreasing it
to 8 because even a dvportgroup with autoexpand feature enabled there exists an initial number
of ports as starting point, which can be again configured through this configuration setting.

----


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