VCAP5-DCA Objective 1.2 Identify and tag SSD and local devices

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Quick blog post how to make sure your device is being seen as SSD (even if it doesn’t necessarily is! – tricking ESXi).

Looking at the datastore I can verify their status as NON-SSD.

non-ssd

In some cases it may be a SSD datastore which is not detected correctly.

Diving into esxcli we can find out more information about the device:

We can tell that:

Both: is SSD and is Local values are set to false,

When the device isn’t tag correctly , this can be done manually by obtaining Device display name and Path Selection Policy:

In our case the details are as follows:

– Device display name:

naa.60003ff44dc75adcaf965c0ff08dc0d1

– Path Selection Policy:

VMW_SATP_DEFAULT_AA

We can use both of those values to enable SDD (or/and enable local) by creating a rule (similar to LUN MASKING objective 1.1)

unclaim the device:

load claim rules:

execute claim rules:

check the device again and grep SDD value:

Verify in GUI: Screen Shot 2015-08-27 at 14.14.26

 

 

Hope that helps!

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