What is the purpose of the CMDB Initiator Group (cmdb_ci_initiator_group) class?

SyedBurhanJamil
Tera Contributor

3 weeks ago - last edited 3 weeks ago

Hello Community,

I am trying to understand the CMDB class "Initiator Group" (cmdb_ci_initiator_group).

 

I can see records being populated in this table through storage discovery, but I have not been able to find detailed ServiceNow documentation explaining the purpose of this CI class.

 

Could anyone point me to official documentation for this class?

 

If documentation is not available, could someone explain:

 

1. What an Initiator Group represents in ServiceNow CMDB?
2. In which storage technologies or discovery patterns it is typically used?
3. What relationships are usually expected between Initiator Groups, Storage Controllers, Volumes, Hosts, or other storage CIs?

 

I have attached a sanitized screenshot for reference.

 

Initiator Groups Example.png

 

Any guidance would be greatly appreciated.

 

This class appears to be related to storage discovery, but I would like to better understand its functional purpose within CMDB.

Thank you.

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pr8172510
Kilo Sage

3 weeks ago

Hi @SyedBurhanJamil,

 Initiator Group (cmdb_ci_initiator_group) represents a logical grouping of storage initiators (such as WWPNs or iSCSI IQNs) that are granted access to storage resources.

Typical relationship flow:

Host/Server
   ↓
Initiator
   ↓
Initiator Group
   ↓
LUN / Volume
   ↓
Storage Array / Controller

It is commonly populated by Storage Discovery integrations and is used to model storage access mappings between hosts and storage volumes.

You will typically see relationships with:

  • Storage Hosts / Servers
  • Initiators (WWPN, IQN)
  • Storage Volumes / LUNs
  • Storage Controllers / Arrays
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