The next version of ESX has a totally different architecture for storage. The new architecture is called “Pluggable Storage Architecture”. For my own understanding I wanted to write down how this actually works and what all the different abbreviations/acronyms mean:
- PSA = Pluggable Storage Architecture
- NMP = Native Multipathing
- MPP = Multipathing Plugin
- PSP = Path Selection Plugin
- SATP = Storage Array Type Plugin
At the top level we have “Pluggable Storage Architecture”. This is just the name of the new concept, but it’s a well chosen name cause that’s what it is… a new storage architecture that uses plugins. Let’s start with the native VMware plugins. [Read more…] about Pluggable Storage Architecture, exploring the next version of ESX/vCenter