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Posted to issues@cloudstack.apache.org by "Andrey Padiy (JIRA)" <ji...@apache.org> on 2013/05/01 11:08:17 UTC

[jira] [Comment Edited] (CLOUDSTACK-528) Failed to create secondary storage

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646474#comment-13646474 ] 

Andrey Padiy edited comment on CLOUDSTACK-528 at 5/1/13 9:07 AM:
-----------------------------------------------------------------

I am experiencing exactly the same problem. Getting "sent incorrect data center: null " stack trace and unable to add secondary storage. 

* Upgraded from CS 3.0.2 to 4.0.2 yesterday morning. 
* When running "cloud-sysvmadm" post upgrade to restart system VMs I received I/O device errors for both SSVM and Console Proxy VM (In XenCenter console) and system VMs wouldn't start. (Router VM restarted OK)

* Destroyed SSVM and Console Proxy VMs (through CS panel) hoping they will get recreated. 
* Waited for few hours - nothing happened. 
* Redownloaded systemVM template. 
* Detached secondary storage
* Tried attaching secondary storage and now getting stack trace 

INFO  [cloud.resource.ResourceManagerImpl] (catalina-exec-2:) Trying to add a new host at nfs://10.0.0.126/mnt/plestore02-nas/plestore02-cloudstack-secondary/CSSecondary in data center 1
WARN  [storage.resource.NfsSecondaryStorageResource] (catalina-exec-2:) Wait, what's going on? eth1ip is null!!
WARN  [storage.resource.NfsSecondaryStorageResource] (catalina-exec-2:) Wait, there is no storageip in /proc/cmdline, something wrong!
ERROR [cloud.resource.ServerResourceBase] (catalina-exec-2:) Nics are not configured!
INFO  [cloud.resource.ServerResourceBase] (catalina-exec-2:) Designating private to be nic eth0
WARN  [utils.script.Script] (catalina-exec-2:) Unable to find script config_ssl.sh
WARN  [utils.script.Script] (catalina-exec-2:) Unable to find script config_auth.sh
WARN  [utils.script.Script] (catalina-exec-2:) Unable to find script ipfirewall.sh
INFO  [storage.resource.NfsSecondaryStorageResource] (catalina-exec-2:) Secondary storage runs in role templateProcessor
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) listvmtmplt.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/listvmtmplt.sh
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) createtmplt.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/createtmplt.sh
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) listvolume.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/listvolume.sh
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) createvolume.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/createvolume.sh
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.VhdProcessor - VHD Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.IsoProcessor - ISO Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.QCOW2Processor - QCOW2 Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.VmdkProcessor - VMDK Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.RawImageProcessor - Raw Image Processor
WARN  [cloud.resource.ResourceManagerImpl] (catalina-exec-2:) Unable to connect due to 
java.lang.IllegalArgumentException: Host 10.40.0.20 sent incorrect data center: null
        at com.cloud.resource.ResourceManagerImpl.createHostVO(ResourceManagerImpl.java:1501)
        at com.cloud.resource.ResourceManagerImpl.createHostAndAgent(ResourceManagerImpl.java:1629)
        at com.cloud.resource.ResourceManagerImpl.discoverHostsFull(ResourceManagerImpl.java:720)
        at com.cloud.resource.ResourceManagerImpl.discoverHosts(ResourceManagerImpl.java:551)
        at com.cloud.api.commands.AddSecondaryStorageCmd.execute(AddSecondaryStorageCmd.java:79)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:138)
        at com.cloud.api.ApiServer.queueCommand(ApiServer.java:544)
        at com.cloud.api.ApiServer.handleRequest(ApiServer.java:423)
        at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:312)
        at com.cloud.api.ApiServlet.doGet(ApiServlet.java:64)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
        at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:721)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2268)
        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)
INFO  [cloud.resource.ResourceManagerImpl] (catalina-exec-2:) server resources successfully discovered by SecondaryStorage
WARN  [cloud.api.ApiDispatcher] (catalina-exec-2:) class com.cloud.api.ServerApiException : Failed to add secondary storage


I then attached to cloudstack-management process using strace and noticed few things that happen during secondary storage attachment process :
* It tries creating a symlink from "/mnt/SecStorage" to "/var/www/html/copy" on the management server. - I don't have Apache installed on the box so it failed and I had to manually create "/var/www/html/copy" directory and give "cloud" user perms

*After a few SELECTS it then runs the following SQL query which I suspect the route cause of the stack trace:

SELECT data_center.id, data_center.name, data_center.description, data_center.dns1, data_center.dns2, data_center.internal_dns1, data_center.internal_dns2, data_center.router_mac_address, data_center.guest_network_cidr, data_center.domain_id, data_center.domain, data_center.networktype, data_center.dns_provider, data_center.dhcp_provider, data_center.gateway_provider, data_center.vpn_provider, data_center.userdata_provider, data_center.lb_provider, data_center.firewall_provider, data_center.mac_address, data_center.zone_token, data_center.removed, data_center.allocation_state, data_center.uuid, data_center.is_security_group_enabled, data_center.is_local_storage_enabled FROM data_center WHERE data_center.name  IS NULL  AND data_center.removed IS NULL  ORDER BY RAND() LIMIT 1


This query returns nothing because of the "WHERE data_center.name  IS NULL" and I suspect that's why I am getting "sent incorrect data center: null "

I do have a row inside "data_center" table and the name is definitely not NULL.

mysql> SELECT * FROM data_center\G;
*************************** 1. row ***************************
                       id: 1
                     name: OurCompanyName
                     uuid: fa31e8f8-3ad9-46ce-8813-71819d672fe6
              description: NULL
                     dns1: 10.0.0.250
                     dns2: 10.40.0.240
            internal_dns1: 10.0.0.250
            internal_dns2: 10.40.0.240
                  gateway: NULL
                  netmask: NULL
       router_mac_address: 02:00:00:00:00:01
              mac_address: 453
       guest_network_cidr: NULL
                   domain: OurDomain.com
                domain_id: NULL
              networktype: Basic
             dns_provider: VirtualRouter
         gateway_provider: NULL
        firewall_provider: NULL
            dhcp_provider: VirtualRouter
              lb_provider: ElasticLoadBalancerVm
             vpn_provider: NULL
        userdata_provider: VirtualRouter
         allocation_state: Enabled
               zone_token: fb7e650b-ab22-3797-b1b3-5a54e5c9bf07
is_security_group_enabled: 1
                  removed: NULL
 is_local_storage_enabled: 0
1 row in set (0.00 sec)

 
Can someone confirm whether that query should contain  "WHERE data_center.name  IS NULL" and if not how do I change it? I am guessing one of the jar files need to be recompiled. Is there quick fix for this?

I need to upload new ISOs and create new templates and have no means of doing it without secondary storage. 

Thanks 


                
      was (Author: hyperbole):
    I am experiencing exactly the same problem. Getting "sent incorrect data center: null " stack trace and unable to add secondary storage. 

* Upgraded from CS 3.0.2 to 4.0.2 yesterday morning. 
* When running "cloud-sysvmadm" post upgrade to restart system VMs I received I/O device errors for both SSVM and Console Proxy VM (In XenCenter console) and system VMs wouldn't start. (Router VM restarted OK)

* Destroyed SSVM and Console Proxy VMs (through CS panel) hoping they will get recreated. 
* Waited for few hours - nothing happened. 
* Redownloaded systemVM template. 
* Detached secondary storage
* Tried attaching secondary storage and now getting stack trace 
{noformat}
INFO  [cloud.resource.ResourceManagerImpl] (catalina-exec-2:) Trying to add a new host at nfs://10.0.0.126/mnt/plestore02-nas/plestore02-cloudstack-secondary/CSSecondary in data center 1
WARN  [storage.resource.NfsSecondaryStorageResource] (catalina-exec-2:) Wait, what's going on? eth1ip is null!!
WARN  [storage.resource.NfsSecondaryStorageResource] (catalina-exec-2:) Wait, there is no storageip in /proc/cmdline, something wrong!
ERROR [cloud.resource.ServerResourceBase] (catalina-exec-2:) Nics are not configured!
INFO  [cloud.resource.ServerResourceBase] (catalina-exec-2:) Designating private to be nic eth0
WARN  [utils.script.Script] (catalina-exec-2:) Unable to find script config_ssl.sh
WARN  [utils.script.Script] (catalina-exec-2:) Unable to find script config_auth.sh
WARN  [utils.script.Script] (catalina-exec-2:) Unable to find script ipfirewall.sh
INFO  [storage.resource.NfsSecondaryStorageResource] (catalina-exec-2:) Secondary storage runs in role templateProcessor
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) listvmtmplt.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/listvmtmplt.sh
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) createtmplt.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/createtmplt.sh
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) listvolume.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/listvolume.sh
INFO  [storage.template.DownloadManagerImpl] (catalina-exec-2:) createvolume.sh found in /usr/lib64/cloud/common/scripts/storage/secondary/createvolume.sh
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.VhdProcessor - VHD Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.IsoProcessor - ISO Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.QCOW2Processor - QCOW2 Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.VmdkProcessor - VMDK Processor
INFO  [utils.component.ComponentLocator] (catalina-exec-2:) Found component: com.cloud.storage.template.Processor in com.cloud.storage.template.RawImageProcessor - Raw Image Processor
WARN  [cloud.resource.ResourceManagerImpl] (catalina-exec-2:) Unable to connect due to 
java.lang.IllegalArgumentException: Host 10.40.0.20 sent incorrect data center: null
        at com.cloud.resource.ResourceManagerImpl.createHostVO(ResourceManagerImpl.java:1501)
        at com.cloud.resource.ResourceManagerImpl.createHostAndAgent(ResourceManagerImpl.java:1629)
        at com.cloud.resource.ResourceManagerImpl.discoverHostsFull(ResourceManagerImpl.java:720)
        at com.cloud.resource.ResourceManagerImpl.discoverHosts(ResourceManagerImpl.java:551)
        at com.cloud.api.commands.AddSecondaryStorageCmd.execute(AddSecondaryStorageCmd.java:79)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:138)
        at com.cloud.api.ApiServer.queueCommand(ApiServer.java:544)
        at com.cloud.api.ApiServer.handleRequest(ApiServer.java:423)
        at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:312)
        at com.cloud.api.ApiServlet.doGet(ApiServlet.java:64)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
        at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:721)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2268)
        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)
INFO  [cloud.resource.ResourceManagerImpl] (catalina-exec-2:) server resources successfully discovered by SecondaryStorage
WARN  [cloud.api.ApiDispatcher] (catalina-exec-2:) class com.cloud.api.ServerApiException : Failed to add secondary storage
{noformat}

I then attached to cloudstack-management process using strace and noticed few things that happen during secondary storage attachment process :
* It tries creating a symlink from "/mnt/SecStorage" to "/var/www/html/copy" on the management server. - I don't have Apache installed on the box so it failed and I had to manually create "/var/www/html/copy" directory and give "cloud" user perms

*After a few SELECTS it then runs the following SQL query which I suspect the route cause of the stack trace:
{noformat}
SELECT data_center.id, data_center.name, data_center.description, data_center.dns1, data_center.dns2, data_center.internal_dns1, data_center.internal_dns2, data_center.router_mac_address, data_center.guest_network_cidr, data_center.domain_id, data_center.domain, data_center.networktype, data_center.dns_provider, data_center.dhcp_provider, data_center.gateway_provider, data_center.vpn_provider, data_center.userdata_provider, data_center.lb_provider, data_center.firewall_provider, data_center.mac_address, data_center.zone_token, data_center.removed, data_center.allocation_state, data_center.uuid, data_center.is_security_group_enabled, data_center.is_local_storage_enabled FROM data_center WHERE data_center.name  IS NULL  AND data_center.removed IS NULL  ORDER BY RAND() LIMIT 1
{noformat}

This query returns nothing because of the "WHERE data_center.name  IS NULL" and I suspect that's why I am getting "sent incorrect data center: null "

I do have a row inside "data_center" table and the name is definitely not NULL.

{noformat}
mysql> SELECT * FROM data_center\G;
*************************** 1. row ***************************
                       id: 1
                     name: OurCompanyName
                     uuid: fa31e8f8-3ad9-46ce-8813-71819d672fe6
              description: NULL
                     dns1: 10.0.0.250
                     dns2: 10.40.0.240
            internal_dns1: 10.0.0.250
            internal_dns2: 10.40.0.240
                  gateway: NULL
                  netmask: NULL
       router_mac_address: 02:00:00:00:00:01
              mac_address: 453
       guest_network_cidr: NULL
                   domain: OurDomain.com
                domain_id: NULL
              networktype: Basic
             dns_provider: VirtualRouter
         gateway_provider: NULL
        firewall_provider: NULL
            dhcp_provider: VirtualRouter
              lb_provider: ElasticLoadBalancerVm
             vpn_provider: NULL
        userdata_provider: VirtualRouter
         allocation_state: Enabled
               zone_token: fb7e650b-ab22-3797-b1b3-5a54e5c9bf07
is_security_group_enabled: 1
                  removed: NULL
 is_local_storage_enabled: 0
1 row in set (0.00 sec)


{noformat}
 
Can someone confirm whether that query should contain  "WHERE data_center.name  IS NULL" and if not how do I change it? I am guessing one of the jar files need to be recompiled. Is there quick fix for this?

I need to upload new ISOs and create new templates and have no means of doing it without secondary storage. 

Thanks 


                  
> Failed to create secondary storage
> ----------------------------------
>
>                 Key: CLOUDSTACK-528
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-528
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Storage Controller
>    Affects Versions: 4.0.0
>         Environment: CentOS 
>            Reporter: Tamas Monos
>            Priority: Blocker
>             Fix For: 4.0.2
>
>
> Hi,
> I cannot add secondary storage to my existing Zone. This prevents the platform from operating.
> API call via GUI captured by tcpdump:
> http://sandbox.veber.co.uk/client/api?command=addSecondaryStorage&zoneId=a8d21e6d-bc9e-4dc2-b996-fc22727cd9c1&url=nfs%3A%2F%2F192.168.1.2%2Fwatford_cloud&response=json&sessionkey=DGl3OmkfQRGwuIDZFoOpoF2WBJU%3D&_=1353673985114
> Result:
> Unable to connect due to 
> java.lang.IllegalArgumentException: Host 192.168.1.4 sent incorrect data center: null
>         at com.cloud.resource.ResourceManagerImpl.createHostVO(ResourceManagerImpl.java:1501)
>         at com.cloud.resource.ResourceManagerImpl.createHostAndAgent(ResourceManagerImpl.java:1629)
>         at com.cloud.resource.ResourceManagerImpl.discoverHostsFull(ResourceManagerImpl.java:720)
>         at com.cloud.resource.ResourceManagerImpl.discoverHosts(ResourceManagerImpl.java:551)
>         at com.cloud.api.commands.AddSecondaryStorageCmd.execute(AddSecondaryStorageCmd.java:79)
>         at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:138)
>         at com.cloud.api.ApiServer.queueCommand(ApiServer.java:543)
>         at com.cloud.api.ApiServer.handleRequest(ApiServer.java:422)
>         at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:304)
>         at com.cloud.api.ApiServlet.doGet(ApiServlet.java:63)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>         at org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
>         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:721)
>         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2268)
>         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)
> 2012-11-23 12:32:58,518 INFO  [cloud.resource.ResourceManagerImpl] (catalina-exec-23:null) server resources successfully discovered by SecondaryStorage
> 2012-11-23 12:32:58,518 WARN  [cloud.api.ApiDispatcher] (catalina-exec-23:null) class com.cloud.api.ServerApiException : Failed to add secondary storage
> Debug:
> mysql> select uuid from data_center where name='Watford';
> +--------------------------------------+
> | uuid                                 |
> +--------------------------------------+
> | a8d21e6d-bc9e-4dc2-b996-fc22727cd9c1 |
> +--------------------------------------+
> The Zone ID matches but API throws exception while the IS is supplied in the query.
> Scenario:
> I have upgraded from 3.0.2 to 4.0.0. Due to the upgrade scripts did not update the systemVMs to the new template I've applied a workaround and recreated the systemVMs with the new templates. After that I've enabled storage clean-up and the cleanup script destroyed everything on my primary storage including systemVMs. I wanted to re-create them but cannot add secondary storage to the Zone.
> The applied workarounds during upgrade:
> 1. Add new vmware template to CS with name systemvm-vmware-4.0 (I have re-imported it) 2. Wait till the template is downloaded and installed successfully
> 3. Look up id of this template in DB (Name should match the input provided in step
> mysql> select id from `cloud`.`vm_template` where name = 
> mysql> 'systemvm-vmware-4.0' and removed is null;
> 4. Update template type to SYSTEM
> mysql> update `cloud`.`vm_template` set type='SYSTEM' where id = 
> mysql> <id-from-step3>;
> 5. Update template Id for all system Vms
> mysql> update `cloud`.`vm_instance` set vm_template_id = <id-from-step3> 
> mysql> where type <> 'User' and hypervisor_type = 'VMware';
> 6. Restart all system Vms

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