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maniee
Enthusiast
Enthusiast

SSD datastore

HI team,

               Please let me know step for adding SSD data store to vsphere as per best practise.

Regards

Maniee.

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2 Replies
SavkoorSuhas
Expert
Expert

It's added the same way as a regular data-store, and it should be detected as SSD by default.

If a SSD data-store is not detcted as SSD, then you will have to manually tag that datastore to be SSD.

VMware KB: Enabling the SSD option on SSD based disks/LUNs that are not detected as SSD by default

Also, if you are using the SSD disk for VFRC (vFlash Read Cache), then do not add it as a datastore, as adding it as a datastore will create a VMFS-3/VMFS-5 partition, and VFRC requires a raw disk (No partitions on it)

If it is for storage purposes, then you can go ahead and add it in the same way you add your regular ESXi storage.

Suhas

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Rubrik

vThinkBeyondVM
VMware Employee
VMware Employee

Yes, adding SSDs as datastore is nothing different from adding Non-SSD datastores as usual. These SSDs will be formatted with VMFS as specified in above response.

If you want to automate tagging non-ssd as SSD: Refer my blog post, there is new API in vSphere 6.0 to mark HDD as SSD or vice versa: http://vthinkbeyondvm.com/vsphere-6-0-cool-apis-to-mark-local-host-hdd-to-ssd-ssd-to-hdd-sample-api-...   Other manual way is to refer the KB specified in first response.

vFRC: vFRC only works with local SSD devices

-Adding vFlash resources to the host: Refer: http://www.yellow-bricks.com/2013/08/26/introduction-to-vsphere-flash-read-cache-aka-vflash/

-Configuring vFlash read cache (vFRC): Refer: https://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.storage.doc%2FGUID-211CE783...


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