Unofficial DPTPB Nutanix Dynamic Visio Shapes: NX-1120S-G7 & Minor updates

Nutanix has released a new NX platform, NX-1120S-G7 a while ago. I’ve been waiting for Nutanix to update their official Visio stencils, but Nutanix seems to have lost interest in maintaining their official Visio stencil set.

So I decided to make my own NX-1120S-G7 Visio shape. As there were no original “donor” Visio shapes to be used as a base for the new shapes, I had to “eyeball” the new shapes, so they might not be 100% accurate, but are good enough…

While I was at it, I also made some minor updates to existing shapes, like new supported disk sizes / combinations, new 100GbE NICs and new GPU options.

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Unofficial DPTPB Nutanix Dynamic Visio Shapes: NX-8170-G7 with partially populated NVMe bays

In my earlier post describing NX-8170-G7 and NX-3170-G6 DPTPB Nutanix Dynamic Visio shapes, I was hoping more supported disk layouts for NX-8170-G7:

I am happy to finally see option to have a all-NVMe setup for the most I/O hungry workloads. But it is my sincere hope that Nutanix will add more supported disk layouts for NX-8170-G7. Or at least give us option to partially populate the NX-8170-G7 with NVMe drives.”

It seems that my wish has been granted 🙂 As of AOS 5.18 partial population of NVMe disk bays is now supported. (Only with with AHV, not with ESXi or Hyper-V, not sure why)

Making this update was fairly straightforward. Only one line of code changed, a list containing supported disk configurations for NX-8170-G7. The  dynamic nature of DPTPB shapes took care of the rest.

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Unofficial DPTPB Nutanix Dynamic Visio Shapes: NX-3170-G7 & Minor updates

In my earlier post describing NX-8170-G7 and NX-3170-G6 DPTPB Nutanix Dynamic Visio shapes, I was surprised to see that NX-8170-G7 only supported NVMe drives and I was missing a direct G7 generation equivalent for NX-3170-G6. It seems that I wasn’t the only one missing NX-3170-G7 and after all Nutanix decided to introduce NX-3170 also with G7 generation.

So it is time for me to update my Unofficial DPTPB Nutanix Dynamic Visio shape collection. Additionally there has been some changes in supported disk / NIC combinations for existing G7 generation NX appliances and I’ve modified the shapes to reflect these changes.

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Unofficial DPTPB Nutanix Dynamic Visio Shapes: Custom Disk Sizes

In my previous post I covered DPTPB Dynamic shape usage in manual mode. At the end of the previous post I described briefly how to add new disk sizes to existing front view shapes and promised to deliver more detailed and safer instructions for adding new disk sizes.

The method I described earlier is based on manually editing shapesheet variables in master shapesheet. While not awfully difficult, manually editing might sound scary to users unfamiliar with Visio shapesheets and variables. Additionally manual operations always carry more risks.

Maybe there is a better way?

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Unofficial DPTPB Nutanix Dynamic Visio Shapes: Non-Dynamic mode

Having automation, like found in the DPTPB dynamic shapes which will automatically populate your shapes with additional elements, is usually a good thing.

One could compare automation to using GUI. It makes life easier and there are safeguards preventing users from making mistakes.

However automation without ability to override or handle exceptions might not be such a good thing. You are limited to what the automation can do and you might not be able to handle exceptions. One way to handle exceptions would be to provide CLI access with more freedom to do things in more manual fashion.

To give users freedom to handle exceptions or by-pass automation, I’ve designed the Dynamic shapes in a way that still allows the shapes to be used in manual (non-dynamic) mode, instead of relying on the built-in automation. In manual mode users can combine shapes as they desire without the built-in automation restricting their choices. And best of all (for CLI haters), no CLI required…

Just bear in mind: With more freedom comes more responsibility.

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