Tag Devices as SSD

You can use PSA SATP claim rules to tag SSD devices that are not detected automatically.

About this task :
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Only devices that are consumed by the PSA Native Multipathing (NMP) plugin can be tagged.

Procedure:

Identify the device to be tagged and its SATP.

esxcli storage nmp device list

The command results in the following information.

naa.6006016015301d00167ce6e2ddb3de11
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 PSA claim rule to mark the device as SSD.
You can add a claim rule by specifying the device name.

esxcli storage nmp satp rule add -s SATP –device device_name –option=”enable_ssd”

You can add a claim rule by specifying the vendor name and the model name.

esxcli storage nmp satp rule add -s SATP -V vendor_name -M model_name --option="enable_ssd"

You can add a claim rule based on the transport protocol.

esxcli storage nmp satp rule add -s SATP --transport transport_protocol --option="enable_ssd"

You can add a claim rule based on the driver name.

esxcli storage nmp satp rule add -s SATP --driver driver_name --option="enable_ssd"

Reclaim the device.

esxcli storage core claiming reclaim --device device_name

Verify if devices are tagged as SSD.

esxcli storage core device list -d device_name

The command output indicates if a listed device is tagged as SSD.

Is SSD: true

What to do next:

If the SSD device that you want to tag is shared among multiple hosts, make sure that you tag the device from all the hosts that share the device.

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