You can tag an automatically detected SSD device as a non-SSD device.


Identify the device that you want to untag.

esxcli storage nmp device list 

The command results in the following information.

Device Display Name: DGC Fibre Channel Disk (naa.6006016015301d00167ce6e2ddb3de11)
Storage Array Type: VMW_SATP_CX
Storage Array Type Device Config: {navireg ipfilter}
Path Selection Policy: VMW_PSP_MRU
Path Selection Policy Device Config: Current Path=vmhba4:C0:T0:L25
Working Paths: vmhba4:C0:T0:L25

Note down the SATP associated with the device.


Add a claim rule with the option disable_ssd.

esxcli storage nmp satp rule add -s SATP --device device_name --option disable_ssd

For example,

esxcli storage nmp satp rule add -s VMW_SATP_CX --device naa.6006016042fa19010a12d9b16d6ade11 --option disable_ssd

Unclaim the device.

esxcli storage core claiming unclaim --type device --device naa.6006016042fa19010a12d9b16d6ade11 

Reclaim the device by running the following commands:

esxcli storage core claimrule load
esxcli storage core claimrule run

Check the device status by running the following command.

esxcli storage core device list -d device_name

The command output indicates whether the disk is untagged.

Is SSD: false