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Dell PowerEdge: How Do I Change the System Host Name on the iDRAC?

Summary: Guidance on how to populate or update the System Hostname displayed in the iDRAC.

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Instructions

Some operating systems do not provide operating system information to the iDRAC. The following article describes the issue in more detail: Dell PowerEdge: iDRAC is not displaying ESXi 6.5/6.7 System Host Name and Operating System correctly. 

If the iDRAC display lacks operating system details like Host Name or version, options exist to fill the display accurately.
 

Automatically

Installing the Dell EMC iSM (iDRAC Service Module) populates or updates the System Hostname displayed in the iDRAC automatically.


Manual

Alternatively, the operating system hostname and operating system name can be configured manually using RACADM:
  
racadm set System.ServerOS.HostName server1.domain.local
racadm set System.ServerOS.OSName "ESXi 6.7 U3"
 
The updated operating system information will be visible in the iDRAC web user interface after refreshing the page. In order to refresh the hostname and operating system name in the CMC, the iDRAC must be reset.

The following IPMI raw command can also be used: 
raw 0x06 0x58 0x02 0x00 0x05 0x04 0x4c 0x4d 0x4e 0x4f

Byte 0 : 0x06 Network Function
Byte 1 : 0x58 Command
Byte 2 : 0x02 Parameter Selector (distinguish between set Firmware Version, OS Name, System Name etc.)
Byte 3 : 0x00 Set Selector (this equals 0 implies that the user is setting the parameter)
Byte 4 : 0x05 Check String data
Byte 5 : 0x04  --> data length
Byte 6…n : data bytes

Usage:

For example, to set the hostname to "DELL":

raw 0x06 0x58 0x02 0x00 0x05 -- This part is common
0x04 -- hostname string length- four characters(DELL) in our example
0x44 0x45 0x4c 0x4c -- ASCII equivalent for DELL. 
It is advised to use a ASCII to Hex convertor with the prefix 0x to easily translate the characters.

Affected Products

iDRAC Service Module, iDRAC7, iDRAC8, iDRAC9