VxRail: Add Disk wizard fails at 30% Adding disks to create new disk group failed on host <ST>

Zusammenfassung: Using the VxRail plug-in to add a new disk group (DG) on the node, reports the following error: Adding disks to create a new disk group failed on host at the 30% of progress.

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Symptome

Using the VxRail plug-in to add a new disk group on a node, reports the following error at the 30% of progress.

Adding disks to create new disk group failed on host <HOSTNAME>

There are no details about the error and the three disks are correctly reported in the iDRAC. We can see the disks in the VxRail physical view as well.

Adding disks to create new disk group failed on host


The DG was partially created and may be listed in disk management as unhealthy and the health status of all the disks are: Unknown
Removing the DG from disk management is not possible, but this option works to copy the VSAN DISK GROUP UUID.

This shows the Disk Group ID which can be copied for the next step
Remove the DG with the ESXCLI command: 
esxcli vsan storage remove  -u <VSAN DISK GROUP UUID>
Recreation fails again, and reports this error: 
A general system error ocurred: Unable to create LSOM file system for the vSAN disk naa.... please see VMkernel.log for more details.
This shows the general system error in previous error
 

Ursache

This is a lack of available memory on the ESXi host.
Check that the time synchronization is correct between nodes and vCenter.
Confirm that the issue was due to a lack of memory resources in the node.
vmkernel.log: 
Failed to initialize the memory for the diskgroup.
This image shows the error Failed to initialize the memory for the diskgroup.
 
The below shows the ESXi host has consumed over 96% of memory.
The image shows the ESXi host has consumed over 96% of memory.
 
 

Lösung

To work around this issue, migrate virtual machines or power off virtual machines to free up memory on the node.
Remove the unhealthy new DG with:  
esxcli vsan storage remove  -u <VSAN DISK GROUP UUID>

Try again to add disks with the VxRail plug-in.

Betroffene Produkte

VMware VSAN
Artikeleigenschaften
Artikelnummer: 000224541
Artikeltyp: Solution
Zuletzt geändert: 22 Apr. 2025
Version:  2
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