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https://issues.apache.org/jira/browse/CLOUDSTACK-4405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14357546#comment-14357546
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Marcus Sorensen commented on CLOUDSTACK-4405:
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I ran into this code today, and I'm not sure it's working as intended. It's
wrapped in a %post script section that only runs upon agent first install, and
by definition this feature is only useful for upgrades. It probably doesn't
matter much at this point, being several versions past the naming change, but I
suppose someone out there may eventually run into it.
> (Upgrade) Migrate failed between existing hosts and new hosts
> -------------------------------------------------------------
>
> Key: CLOUDSTACK-4405
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4405
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.1.0, 4.2.0
> Environment: CS 4.1
> Reporter: Wei Zhou
> Assignee: edison su
> Priority: Blocker
> Labels: ReleaseNote, doc
> Fix For: 4.1.1, 4.2.1
>
>
> There are two hosts (cs-kvm001, cs-kvm002) in old 2.2.14 environment .
> After upgrade from 2.2.14 to 4.1, I added two new hosts (cs-kvm003,
> cs-kvm004).
> The migration between cs-kvm001 and cs-kvm002, or cs-kvm003 and cs-kvm004
> succeed.
> However, the migration from cs-kvm001/002 to the new hosts (cs-kvm003,
> cs-kvm004) failed.
> 2013-08-19 16:57:31,051 DEBUG [kvm.resource.BridgeVifDriver]
> (agentRequest-Handler-1:null) nic=[Nic:Guest-10.11.110.231-vlan://110]
> 2013-08-19 16:57:31,051 DEBUG [kvm.resource.BridgeVifDriver]
> (agentRequest-Handler-1:null) creating a vlan dev and bridge for guest
> traffic per traffic label cloudbr0
> 2013-08-19 16:57:31,051 DEBUG [utils.script.Script]
> (agentRequest-Handler-1:null) Executing: /bin/bash -c brctl show | grep
> cloudVirBr110
> 2013-08-19 16:57:31,063 DEBUG [utils.script.Script]
> (agentRequest-Handler-1:null) Exit value is 1
> 2013-08-19 16:57:31,063 DEBUG [utils.script.Script]
> (agentRequest-Handler-1:null)
> 2013-08-19 16:57:31,063 DEBUG [kvm.resource.BridgeVifDriver]
> (agentRequest-Handler-1:null) Executing:
> /usr/share/cloudstack-common/scripts/vm/network/vnet/modifyvlan.sh -v 110 -p
> em1 -b brem1-110 -o add
> 2013-08-19 16:57:31,121 DEBUG [kvm.resource.BridgeVifDriver]
> (agentRequest-Handler-1:null) Execution is successful.
> 2013-08-19 16:57:31,122 DEBUG [kvm.resource.BridgeVifDriver]
> (agentRequest-Handler-1:null) Set name-type for VLAN subsystem. Should be
> visible in /proc/net/vlan/config
> This is because the bridge name on old hosts are cloudVirBr110, and brem1-110
> on new hosts.
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