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From "Suresh Kumar Anaparti (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9184) [VMware] vmware.ports.per.dvportgroup global setting is not useful from vCenter 5.0 onwards
Date Thu, 17 Dec 2015 03:58:46 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061426#comment-15061426
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Suresh Kumar Anaparti commented on CLOUDSTACK-9184:
---------------------------------------------------

>From VMware KB:

vSphere 5.0 has introduced a new advanced option for static port binding called Auto Expand.
This port group property allows a port group to expand automatically by a small predefined
margin whenever the port group is about to run out of ports.

With releases before the vSphere 5.0 version, users who choose static port binding in their
deployment must
manually manage how many distributed ports are required per distributed port group. To reduce
the
management effort involved with the static port-binding option, VMware introduced the Auto
Expand feature
as part of the vSphere 5.0 release. This capability automatically increases the distributed
port limits of the
distributed port group when it runs out of distributed ports. To enable this feature, users
must employ the
vSphere API command or vSphere MOB, as described in VMware knowledge base article 1022312:

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1022312.

In vSphere 5.1, when users choose static port binding, the Auto Expand feature is enabled
by default. Users now
don’t have to worry about running out of distributed ports on distributed port groups or
running a script on
distributed port groups to manually enable the Auto Expand feature.

Before vSphere 5.0 (vSphere 4.0,4.1,etc): No Auto Expand feature.
vSphere 5.0: Auto Expand is disabled by default.
vSphere 5.1 and 5.5: the Auto Expand feature is enabled by default.

> [VMware] vmware.ports.per.dvportgroup global setting is not useful from vCenter 5.0 onwards
> -------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9184
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9184
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server, VMware
>    Affects Versions: 4.5.2
>            Reporter: Suresh Kumar Anaparti
>
> CloudStack has a global config paramter vmware.ports.per.dvportgroup for setting the
number of ports per dvportgroup of Distributed Virtual Switch (DVS) and this takes effect
when the zone is created.
> Auto expand/shrink features adjusts the ports per dvportgroup value dynamically from
ESX 5.0 release. So, even if we set this global setting, auto expand will take effect and
the value configured at cloudstack is not useful anymore.



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