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https://issues.apache.org/jira/browse/CLOUDSTACK-9698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907847#comment-15907847
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ASF subversion and git services commented on CLOUDSTACK-9698:
-------------------------------------------------------------

Commit d171bb78570416f9a54263805c59422e7be5a195 in cloudstack's branch 
refs/heads/master from [~sateeshc]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=d171bb7 ]

CLOUDSTACK-9698 Make the wait timeout for NIC adapter hotplug as configurable

Currently ACS waits for 15 seconds (hard coded) for hot-plugged NIC in VR to 
get detected by guest OS.
The time taken to detect hot plugged NIC in guest OS depends on type of NIC 
adapter like (E1000, VMXNET3, E1000e etc.)
and guest OS itself. In uncommon scenarios the NIC detection may take longer 
time than 15 seconds,
in such cases NIC hotplug would be treated as failure which results in VPC tier 
configuration failure.
Alternatively making the wait timeout for NIC adapter hotplug as configurable 
will be helpful for admins in such scenarios.

Also in future if VMware introduces new NIC adapter types which may take time 
to get detected by guest OS, it is good to have flexibility of
configuring the wait timeout as fallback mechanism in such scenarios.

Signed-off-by: Sateesh Chodapuneedi <sateesh.chodapune...@accelerite.com>


> Make the wait timeout for NIC adapter hotplug as configurable
> -------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9698
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9698
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: VMware
>    Affects Versions: 4.9.0.1
>         Environment: ACS 4.9 branch commit 
> a0e36b73aebe43bfe6bec3ef8f53e8cb99ecbc32
> vSphere 5.5
>            Reporter: Sateesh Chodapuneedi
>            Assignee: Sateesh Chodapuneedi
>             Fix For: 4.9.1.0
>
>
> Currently ACS waits for 15 seconds (*hard coded*) for hot-plugged NIC in VR 
> to get detected by guest OS. The time taken to detect hot plugged NIC in 
> guest OS depends on type of NIC adapter like (E1000, VMXNET3, E1000e etc.) 
> and guest OS itself. In uncommon scenarios the NIC detection may take longer 
> time than 15 seconds, in such cases NIC hotplug would be treated as failure 
> which results in VPC tier configuration failure. Making the wait timeout for 
> NIC adapter hotplug as configurable will be helpful for admins in such 
> scenarios. 
> Also in future if VMware introduces new NIC adapter types which may take time 
> to get detected by guest OS, it is good to have flexibility of configuring 
> the wait timeout.



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