Wei Zhou created CLOUDSTACK-4405:
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             Summary: (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: Wei Zhou
            Priority: Blocker
             Fix For: 4.1.1, 4.2.0


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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