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Erroneous data merging by VMware vCenter Application Discovery Manager

Symptoms

  • In a clustered environment, VMware vCenter Application Discovery Manager merges data from multiple hosts erroneously
  • VMware vCenter Application Discovery Manager merges data from multiple hosts incorrectly

Resolution

Valid IP addresses and ranges from the your private network are stored in the file Irreconcilable.IPs.map.xml located at the collector directory /home/nlayers/Seneca/kb/ad/custom/maps.
 
This issue may occur when some sites have clusters of hosts connected through private networks leading to the reuse of IP addresses. This results in an erroneous merging of data from these hosts. The Active Probe Engine compares the discovered IP addresses and ranges with those in the Irreconcilable.IPs.map.xml file. If the discovered IP addresses match the addresses in the file, the discovered IP addresses are marked as irreconcilable and are not reconciled.
 
To resolve this issue, you must store the valid IP addresses and IP address ranges of your private network in the Irreconcilable.IPs.map.xml file.
 
To create the Irreconcilable.IPs.map.xml file and to populate it with IP addresses that are not to be merged:
  1. Run this command to check out and open the map file for editing:

    /home/nlayers/Seneca/management/APIs/InSight_control.sh
    adkb --checkout /tmp

  2. Run this command to create a new map .xml file:

    vi /tmp/adkb/custom/maps/Irreconcilable.IPs.map.xml

  3. Run this command to add the duplicate IPs not to be merged to the map:

    <kb-map label="Irreconcilable.IPs">
    <entry key="" value="<Comma_separated_list_Of_IP_Addresses>"/>
    </kb-map>

    Where <Comma_separated_list_Of_IP_Addresses> is the list of IP addresses that you do not want to be merged.

    For example:

    <entry key="" value="10.255.123.10,10.255.123.134,10.255.123.135,10.255.123.136, 10.255.123.156,10.2.31.65,10.2.31.67,10.2.31.103,10.2.31.101,10.2.31.102"/>
  4. Run this command to close and check in the map file:

    /home/nlayers/Seneca/management/APIs/InSight_control.sh
    adkb --checkin /tmp

  5. Navigate to Discover > Inventory > Search the IP and click Delete to remove the merged IPs from the database. This ensures that VMware vCenter Application Discovery Manager re-discovers them properly.

    Note: If your network has more than one host using the same IP address, VMware vCenter Application Discovery Manager must be configured to treat each host separately. To do this, contact VMware Support. For more information, see How to Submit a Support Request.

Additional Information

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