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From "Sangeetha Hariharan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-4616) When system Vms fail to start when host is down , link local Ip addresses do not get released resulting in all the link local Ip addresses being consumed eventually.
Date Thu, 05 Sep 2013 21:53:53 GMT
Sangeetha Hariharan created CLOUDSTACK-4616:
-----------------------------------------------

             Summary: When system Vms fail to start when host is down ,  link local Ip addresses
do not get released resulting in all the link local Ip addresses being consumed eventually.
                 Key: CLOUDSTACK-4616
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4616
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.2.1
         Environment: Build from 4.2-forward
            Reporter: Sangeetha Hariharan
            Priority: Critical
             Fix For: 4.2.1


When system Vms fail to start when host is down ,  link local Ip addresses do not get released
resulting in all the link local Ip addresses being consumed eventually.

Steps to reproduce the problem:

Advanced zone with 1 cluster having 1 host (Xenserver).

Had SSVM,CCPVM, 2 routers and few user Vms running in the host.

power down the host.

When host was powered down , host is still marked as being in "Up" state . Bug tracked  in
- CLOUDSTACK-2140.

Attempt to restart all the system Vms in the host that is down is made continuously  and it
fails.
These failed attempts do not result in releasing the linked local Ip , resulting in all linked
local Ips being consumed.

When the host is actually powered on , attempts to start the System Vms fail , because of
teh following exception seen in the management-server.logs:

013-09-05 12:00:09,551 INFO  [cloud.vm.VirtualMachineManagerImpl] (secstorage-1:null) Insufficient
capacity
com.cloud.exception.InsufficientAddressCapacityException: Insufficient link local address
capacityScope=interface com.cloud.dc.DataCenter; id=1
        at com.cloud.network.guru.ControlNetworkGuru.reserve(ControlNetworkGuru.java:156)
        at com.cloud.network.NetworkManagerImpl.prepareNic(NetworkManagerImpl.java:2157)
        at com.cloud.network.NetworkManagerImpl.prepare(NetworkManagerImpl.java:2127)
        at com.cloud.vm.VirtualMachineManagerImpl.advanceStart(VirtualMachineManagerImpl.java:886)
        at com.cloud.vm.VirtualMachineManagerImpl.start(VirtualMachineManagerImpl.java:578)
        at com.cloud.vm.VirtualMachineManagerImpl.start(VirtualMachineManagerImpl.java:571)
        at com.cloud.storage.secondary.SecondaryStorageManagerImpl.startSecStorageVm(SecondaryStorageManagerImpl.java:267)
        at com.cloud.storage.secondary.SecondaryStorageManagerImpl.allocCapacity(SecondaryStorageManagerImpl.java:696)
        at com.cloud.storage.secondary.SecondaryStorageManagerImpl.expandPool(SecondaryStorageManagerImpl.java:1300)
        at com.cloud.secstorage.PremiumSecondaryStorageManagerImpl.scanPool(PremiumSecondaryStorageManagerImpl.java:123)
        at com.cloud.secstorage.PremiumSecondaryStorageManagerImpl.scanPool(PremiumSecondaryStorageManagerImpl.java:50)
        at com.cloud.vm.SystemVmLoadScanner.loadScan(SystemVmLoadScanner.java:104)
        at com.cloud.vm.SystemVmLoadScanner.access$100(SystemVmLoadScanner.java:33)
        at com.cloud.vm.SystemVmLoadScanner$1.reallyRun(SystemVmLoadScanner.java:81)
        at com.cloud.vm.SystemVmLoadScanner$1.run(SystemVmLoadScanner.java:72)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:165)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:267)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:679)


mysql> select * from op_dc_link_local_ip_address_alloc where data_center_id=1 and taken
is null;
Empty set (0.00 sec)




  

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