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From Dag Sonstebo <Dag.Sonst...@shapeblue.com>
Subject Re: Disconnected XenServer 6.5 Master server
Date Tue, 22 Nov 2016 15:27:39 GMT
OK, cool. What is host 3? (select * from cloud.host where id=3 in the db). 
Is this the old poolmaster? If this is the old poolmaster you probably want to put this into
maintenance mode in CloudStack.

Regards,
Dag Sonstebo

On 22/11/2016, 15:15, "uabstarnita@gmail.com on behalf of Mindaugas Milinavičius" <uabstarnita@gmail.com
on behalf of mindaugas@clustspace.com> wrote:

    Hello,
    
    pool master and slaves all is ok. Master new server, and slaves working
    with new master. There is perfect.
    
    xe pool-ha-disable
    The operation could not be performed because HA is not enabled on the Pool
    
    I restarted cloudstack-management service, but anyway, VM's showing online
    and can't be restarted or migrated to another host
    
    2016-11-22 17:20:53,501 WARN  [o.a.c.a.c.a.v.MigrateVMCmd]
    (API-Job-Executor-2:ctx-fe868303 job-3755 ctx-4e021994) (logid:97c86433)
    Exception:
    com.cloud.exception.AgentUnavailableException: Resource [Host:3] is
    unreachable: Host 3: Host with specified id is not in the right state: Alert
            at
    com.cloud.agent.manager.ClusteredAgentManagerImpl.getAttache(ClusteredAgentManagerImpl.java:568)
            at
    com.cloud.agent.manager.AgentManagerImpl.send(AgentManagerImpl.java:446)
            at
    com.cloud.agent.manager.AgentManagerImpl.send(AgentManagerImpl.java:360)
    
    
    
    
    
    
    
    Pagarbiai
    Mindaugas Milinavičius
    UAB STARNITA
    Direktorius
    http://www.clustspace.com
    LT: +37068882880
    RU: +79199993933
    
    Tomorrow's possibilities today
    <http://www.clustspace.com/>
    
       - 1 core CPU, 512MB RAM, 20GB (From €2.50)
       - 1 core CPU, 1GB RAM, 30GB (From €5.00)
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       - 2 core CPU, 4GB RAM, 60GB (From €20.00)
       - 4 core CPU, 8GB RAM, 80GB (From €40.00)
    
    
    On Tue, Nov 22, 2016 at 6:02 PM, Dag Sonstebo <Dag.Sonstebo@shapeblue.com>
    wrote:
    
    > I would first of all check your new master thoroughly with the below
    > commands, then check your XS slaves - do a “more /etc/xensource/pool.conf”
    > on all of them to check that they all agree point to the new poolmaster (in
    > fact carry this step out on the new master as well). If not you may have to
    > do a “xe pool-recover-slaves”. There may be other steps required as well –
    > you may have to disable HA temporarily (xe pool-ha-disable) + do some
    > xe-toolstack-restarts.
    >
    > Once you are fully happy the XenServer cluster is healthy you might have
    > to restart your cloudstack-management service.
    >
    > Regards,
    > Dag Sonstebo
    > Cloud Architect
    > ShapeBlue
    >
    > On 22/11/2016, 14:51, "uabstarnita@gmail.com on behalf of Mindaugas
    > Milinavičius" <uabstarnita@gmail.com on behalf of mindaugas@clustspace.com>
    > wrote:
    >
    >     Hello,
    >
    >     i did xe pool-emergency-transition-to-master and other server started
    > and
    >     connected.
    >
    >     But my master server is not bootable at the moment, and i can't
    >     stop/restart or migrate instance to another host, because on cloudstack
    >     still showing old server like master....How to change master at
    > cloudstack
    >     to the new one?
    >
    >
    >
    >
    >     Pagarbiai
    >     Mindaugas Milinavičius
    >     UAB STARNITA
    >     Direktorius
    >     http://www.clustspace.com
    >     LT: +37068882880
    >     RU: +79199993933
    >
    >     Tomorrow's possibilities today
    >     <http://www.clustspace.com/>
    >
    >        - 1 core CPU, 512MB RAM, 20GB (From €2.50)
    >        - 1 core CPU, 1GB RAM, 30GB (From €5.00)
    >        - 2 core CPU, 2GB RAM, 40GB (From €10.00)
    >        - 2 core CPU, 4GB RAM, 60GB (From €20.00)
    >        - 4 core CPU, 8GB RAM, 80GB (From €40.00)
    >
    >
    >     On Tue, Nov 22, 2016 at 5:48 PM, Dag Sonstebo <
    > Dag.Sonstebo@shapeblue.com>
    >     wrote:
    >
    >     > Are the other XS hosts showing as healthy in CloudStack? This can
    >     > sometimes be a XenServer issue – where a new poolmaster isn’t
    > assigned
    >     > properly.
    >     >
    >     > Check the current state of your cluster (“xe host-list / xe
    > pool-list /
    >     > more /etc/xensource/pool.conf”) + if it’s not healthy you may need
    > to do a
    >     > “xe pool-designate-new-master” (or worst case “xe
    >     > pool-emergency-transition-to-master”).
    >     >
    >     > Regards,
    >     > Dag Sonstebo
    >     > Cloud Architect
    >     > ShapeBlue
    >     >
    >     > On 22/11/2016, 14:36, "uabstarnita@gmail.com on behalf of Mindaugas
    >     > Milinavičius" <uabstarnita@gmail.com on behalf of
    > mindaugas@clustspace.com>
    >     > wrote:
    >     >
    >     >     Hello,
    >     >
    >     >     Master server got disconnect (problem with HDD's) and now, can't
    >     >     stop/restart some of VM's.
    >     >
    >     >     There is enabled HA, but they are not restarting on another
    > server.
    >     >
    >     >     Anyone have idea, how to do it manually?
    >     >
    >     >
    >     >
    >     >     Pagarbiai
    >     >     Mindaugas Milinavičius
    >     >     UAB STARNITA
    >     >     Direktorius
    >     >     http://www.clustspace.com
    >     >     LT: +37068882880
    >     >     RU: +79199993933
    >     >
    >     >     Tomorrow's possibilities today
    >     >     <http://www.clustspace.com/>
    >     >
    >     >        - 1 core CPU, 512MB RAM, 20GB (From €2.50)
    >     >        - 1 core CPU, 1GB RAM, 30GB (From €5.00)
    >     >        - 2 core CPU, 2GB RAM, 40GB (From €10.00)
    >     >        - 2 core CPU, 4GB RAM, 60GB (From €20.00)
    >     >        - 4 core CPU, 8GB RAM, 80GB (From €40.00)
    >     >
    >     >
    >     >
    >     > Dag.Sonstebo@shapeblue.com
    >     > www.shapeblue.com
    >     > 53 Chandos Place, Covent Garden, London  WC2N 4HSUK
    >     > @shapeblue
    >     >
    >     >
    >     >
    >     >
    >
    >
    >
    > Dag.Sonstebo@shapeblue.com
    > www.shapeblue.com
    > 53 Chandos Place, Covent Garden, London  WC2N 4HSUK
    > @shapeblue
    >
    >
    >
    >
    


Dag.Sonstebo@shapeblue.com 
www.shapeblue.com
53 Chandos Place, Covent Garden, London  WC2N 4HSUK
@shapeblue
  
 

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